How to change your car’s engine oil and filter, How to check and change your car’s coolant, 3 ways your thermostat can fail (and what you can do about it). Had them do a pressure test for the anti freeze leak, turns out it not a head gasket, it’s the oil filter housing/coolant adapter housing that was leaking. You're ready to visit Capitol Chevrolet Cadillac! Get more free car maintenance help with the Haynes Home Mechanic Guides. Discussion Starter • #1 • Mar 7, 2012. Coolant and oil mixed, knocking on startup, and losing coolant in the expansion tank. If a faulty head gasket is not detected early, a required repair of the engine block, the cylinder head, or a complete engine replacement could be required. “The LLY’s don’t have the injector problems that LB7’s do,” notes Carrier, “So after the head gasket fix, … “With head studs, you might want to re-check and re-torque them if needed, but with the bolts we could just let the engine warm up and then go,” continues Carrier. The actual cost of the head gasket isn’t too expensive. Repairing the head gasket in the 2010 Mazda CX-7 is around $1,500. So despite his work being “fully covered” by their warranty they will not spend time diagnosing the car to see if the problem was caused by their work and covered by their lifetime warranty. Salem, OR 97301. One of the most famous telltale signs of head gasket failure is the milky sludge or 'mayonnaise' on the underside of the oil filler cap or on the dipstick. 105 Posts . The second time it was in there almost 2 weeks. If the coolant leaks in, it won’t be going around the cooling system, meaning the engine will overheat, and could lead to a blown head gasket. Enter your registered email address to request a password reset link. However, the labour involved by getting a garage to do it for you will land you with a final bill that's likely to exceed £500. After the repairs to the engine are made to fix the leaking head gaskets the engine can then be started. Blown head gaskets are common causes of overheating vehicles. Below you’ll find the symptoms, causes, and price of a Audi A4 head gasket. 78 Posts . This may not manifest itself as an immediate problem (other than causing a mess) but if the coolant or oil levels are allowed to drop too far it can lead to serious engine issues. For the most part, when a head gasket is broken, the seal separating the engine block and the cylinder head will stop working, normally due to a physical break. We made sure that all the parts were put back in the right place. Find your print and online manual here and save yourself hundreds of pounds. Here’s the surprising thing about head gaskets: they’re not that expensive. According to the logs above, the car saw mostly short trips in the first 700 miles (about 4 months) after the head gasket jobs, it sat unused for about 4 months then it was driven for mostly longer trips for the following 1,100 miles (over the past 3 months). Thankfully MLS (multiple layer steel) replacement gaskets are available for most applications and offer improved reliability over the original gasket design. There are two major ways the head gasket can fail: Letting combustion gases leak out; Letting coolant leak in; If the combustion gases leak out, the engine’s performance drops. The movement of the cylinder head, if either excessive or in conjunction with a challenged gasket, results in a failure that can either leak combustion pressure, coolant, engine oil – or all three. Head gasket failures are usually the result of an engine overheating, so the best way to prevent a problem is to ensure your cooling system is in good condition. If the Mazda CX-7 head gasket problems lead to a damaged engine, the replacement cost is around $9,000. A faulty head gasket can result in blue smoke coming from the exhaust. Though there was never an official Subaru head gasket recall, the problem is pervasive enough where it can be expected that certain original head gaskets will fail between 100,000 and 150,000 miles (160-241k kilometers). If everything else looks as it should, it's time to look at the rest of … Here are some tips to help avoid making any head gasket repair mistakes that could prevent the gasket from sealing properly and the engine coming back to you. Make the most of your secure shopping experience by creating an account. There seems to be steam coming from the exhaust so I'm worried. Once a head gasket has failed it can cause all manner of problems, including: A head gasket failure may have been caused by an overheating engine (as a result of a clogged radiator, faulty fan, etc), but in turn a blown head gasket will also cause the engine to overheat. What's more, a damaged head gasket can be a sign that the engine has suffered damage in other areas as well. The gaskets are made out of multiple layers of steel and coated in a material similar to rubber. After we replaced the head gasket on my car, I couldn't start it up anymore. • After removing the old head gasket, carefully remove any residue from the head and block using a gasket … Discussion Starter • #1 • Jul 17, 2019. However, it's just that - temporary - and could fail at any time, leaving you (quite literally) in more hot water than you were in before. Can a head gasket cause an oil leak? Though not particularly common, it's even more frustrating when the engine continues to overheat after a head gasket replacement service. How does head gasket sealer work? BC in Cedar Park. As described in the last example, coolant can leak into the combustion chamber and can cause abnormal smoke emissions. At least when it comes to the part itself, head gaskets are cheap. The gasket might only run you $40 or $50, in fact. Initially, the car was loosing water but this eventually got worse and it ended being a new head gasket. They aren’t costly to make – it’s the labor that makes the repair so expensive. When performing an entire head gasket replacement it never hurts to think about the nearby parts that can also be easily replaced while the engine is disassembled. Extensive damage caused by a blown head gasket can be the most detrimental form of engine problems. These problems interfere with the engine's ability to dissipate heat and result in higher operating temperatures and overheating. A problem with one of these could lead to an overheating engine, even after a head gasket replacement. Directions It can also range from vehicle to vehicle. This lets the air and fuel mix leave the cylinder head, leading to a loss of torque and power. This can be in three years or three days. 2855 Maple Ave Ne I'll be flushing the block/cooling system after I get all the final bits re-installed and installing new PEAK long life coolant. 2.5 DOHC Automatic. Not exactly, but when a head gasket fails it can allow the coolant and oil to mix, resulting in contaminated oil that will ruin the engine’s bearings if left unattended. The gaskets are made out of multiple layers of steel and coated in a material similar to rubber. When ever an engine blows a head gasket and leaks coolant into one or more cylinders and pushes the coolant into the exhaust flooding the catalyst and muffler with coolant. It sits between your engine’s “head” and “block,” connecting the two. Eventually I got a misfire in two cylinders. Contaminated Oil. Is this common and should this be a concern when buying a Prius? A replacement head gasket ranges from around $30 to $50. I dont have that. #1 Razz, Nov 25, 2017. June 18, 2019. But it could also mean that the engine block itself has become cracked or slightly warped. Creator. Ensure the system has no leaks, the radiator is working efficiently and the coolant is topped up to the correct level. Summing it up like that just doesn't do it justice, grin. They noticed that coolant was too low, head gaskets leaking, water pump leaking, and recommended oil pump reseal. If they are mixing after head gasket repairs have been made, then something is still wrong. Unless otherwise specified, lightly lubricate the bolt threads with 30w non-detergent motor oil. We don't recommend head gasket sealers because they only delay the inevitable and can cause complications elsewhere in the coolant system. The head gasket in your Subaru serves to separate the engine block from the cylinder … Salem, OR 97301. Happens with every carline. But without x-ray vision, there is no reason to believe that there may not be more damage on other areas of the head gasket. If the head gasket in your Subaru has failed, it can cause lots of trouble, including an overheating engine. I put in a new head gasket, torqued bolts in sequence properly, and after maybe 100-200 miles Im noticing a VERY tiny leak where the head mates to the block. Still loosing antifreeze. Up date on my truck, it died on the highway with fuel rail leak, I had it towed into GM, I had to replace the left side fuel rail blow off valve. 2011 Mazda CX-7 Would you like us to send you price alerts? If the shaking and rough idle occurred before the problem with the water pump and the head gasket(s) replacement, you have to consider ignition, fuel, or other "engine management" (i.e., electronics, sensors, air intake/metering) problems. I've replaced the head gasket - got the head resurfaced and a valve job. If the oil/water gunge in the engine is bad, it’s not uncommon to write the whole car off depending on its age. Life expectancy after head gasket replacement. The engine is then started and run for around half an hour with the ventilation heat and fan speed turned up to max. Head gaskets that are leaking around the water jacket, cylinder and oil passage allow coolant to... Overheating. This may be better than it sounds, as components like a damaged thermostat could be to blame. Repair requires a complete engine oil flush as well as a replacement oil filter to ensure all traces of contaminated oil are removed from the engine. The actual cost of the head gasket isn’t too expensive. A head gasket’s job is to create a seal between the engine block and the head(s). If the head gasket fails in such a way it allows the compressed air/fuel to escape, the … Also, make sure electric fans are working correctly, and that the thermostat opens at the temperature it should. At least when it comes to the part itself, head gaskets are cheap. We made sure that all the parts were put back in the right place. The car is at 75k miles. We've written an article on the signs of a bad head gasket; if you notice any of these, take your Subaru in to the dealership immediately.. A replaced head gasket should keep the engine from overheating. In Toyota servicing summary, the car had underwent a head gasket replacement due to an oil leak. I have reassembled the cylinder head after doing a head gasket replacement. My plan is to try to go back to 85 and reproduce the misfire. When the engine gets too hot, the cylinder head expands (thermal expansion), which can crush the head gasket and cause failure. After years of wear, the gasket will … If your car is overheating, a blown head gasket is a likely cause. Either way, the result is an overheating engine. The top engine concerns focus on the turbo failing, engine failure, VVT breaking, the car jerking, and head gasket failure. 2. The most common cause of a blown head gasket is engine overheating. The signs of a blown head gasket aren’t always obvious. After an initial inspection of the car, I found the critical signs to a blown head gasket. Loosing antifreeze and had in the service dept four times to be fixed. I'll be completing the New Head Gasket installation on my 2001 D2 today or tomorrow. I played mechanic with my 1994 toyota camry 2.2L. It's starting fine, but it's still overheating. Blew the head gasket, but not sure what else.. After having the head gasket replaced, you could experience major problems like engine overheating if the repair wasn't carried out correctly and completely. After getting it all back together, It started ok, seemed to run pretty smooth, but I immediately noticed a big leak coming out of the crank pulley area. We use cookies and browser activity to improve your experience, personalize content and ads, and analyze how our sites are used. So $6k later I have a new water pump and a pair of new head gaskets. Misfire after Head Gasket Replacement. This can be caused by problems with the thermostat, low coolant levels, or simply by running your car too hard. This issue alone, for example, could likely result in having to replace the catalytic converter. Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Misfire after head gasket replacement. Symptoms of a Head Gasket Problem Steam. 3 Posts . An overheated engine is the most common reason a head gasket will fail. A blown head gasket. MAHLE VS50533 valve cover gasket. If your Honda Civic has blown its head gasket, you may find it running poorly or not at all. Here’s the surprising thing about head gaskets: they’re not that expensive. And it was a coincidence that the problem started after the head gasket replacement and the 60K maintenance. Head Gasket Repair Tips. Mendel Leisk Sunday driver DIY’r. Cost of Head Gasket Replacement . The head gasket seals both the combustion aspects of your engine, where fuel and oxygen mix together to propel your car, as well as the areas where coolant passes through your engine to keep it from overheating. Head gasket problems are the cause of serious damage to engines unless they are caught in time and appropriately attended to. Whatever the cause, it's best to trust engine work to the experts who know your Chevy best. They aren’t costly to make – it’s the labor that makes the repair so expensive. After having the head gasket replaced, you could experience major problems like engine overheating if the repair wasn't carried out correctly and completely. So, it can be very common that after fixing one head gasket beach, not long after another one can develop. However, it won't show if there are any other problems with the head gasket, so the absence of carbon dioxide in the cooling system does not guarantee a healthy head gasket. It's always distressing when a head gasket fails, since replacing it is an expensive repair. A blown head gasket is one of the biggest failures your car can suffer, and to fix it properly takes time. Cost of Head Gasket Replacement . If a head gasket has failed between the waterway or oilway and the outside of the engine, the result can be a simple coolant or oil leak. But statistically some vehicles will have problems. The head gasket itself is a comparatively cheap part - as little as £20-£40 in most cases. If the coolant level is lower than the minimum line, topping off the system may be all that's necessary. The theory is that with the machined head, the compression is high enough that 85 doesn't work any more. The gasket might only run you $40 or $50, in fact. _____ Loss of power. Topic May 13, 2015 at 3:21 am #663809. Once the gasket is violated, the only way to correct the problem is to replace it. This loss of compression results in a rough-running engine and a notable reduction in engine power. I got the head gasket back in and the timing right. A head gasket’s job is to create a seal between the engine block and the head(s). A bad head gasket can cause a drop in the coolant level and changes in cylinder compression, and let combustion gases from one cylinder leak over into an adjacent cylinder. Tristan. Get Driving Directions. What's more, a damaged head gasket can be a sign that the engine has suffered damage in other areas as well. In the most simple of cases, your mechanic will remove the cylinder head, remove the old gasket, possibly have the head skimmed to ensure a perfectly flat surface when it comes to refitting, then they'll flush out the cooling system – it has to be completely free of oil, or the car will overhead again. We put the battery … Stopping the Leak . Initially, the car was loosing water but this eventually got worse and it ended being a new head gasket. After the … A blown head gasket causes coolant to leak into the vehicle's engine, lowering the coolant levels while also overheating the engine. The head gasket is an essential component of your engine. A head gasket failure is bad news – very bad news – and will require immediate attention. Haynes explains your options…. Replacing the gasket can take anything from six hours to a few days, depending on the severity of the failure. Below you’ll find the symptoms, causes, and price of a Honda Civic head gasket. The Engine Has Been Damaged. Some head gaskets can just fail because they are of a poor design and are not robust enough for the application. Jump to Latest Follow ... Now I'm on my second tank of 87 with no problems. To check this for yourself, simply pop the hood when the engine is cold and look at the coolant tank. Items like the water pump and timing belt are prime examples. During a head gasket replacement it is recommend to upgrade your head studs if they are stock. So $6k later I have a new water pump and a pair of new head gaskets. We'll have this time-saving information on file when you visit the dealership. 2855 Maple Ave Ne                        Salem,            OR            97301, 2855 Maple Ave Ne Replaced valve cover gasket. If they are mixing after head gasket repairs have been made, then something is still wrong. It's introduced into the radiator or coolant reservoir. This could be a number of things. This means that a head gasket, even a newly replaced one, can blow out as soon as you allow the engine to grossly overheat. The major cause of head gasket failure in your car is overheating. This topic contains 2 replies, has 3 voices, and was last updated by Glenn 5 years, 3 months ago. If everything else looks as it should, it's time to look at the rest of the engine. I think the cooling system does need bleeding, but the exhaust steam - that's serious, isn't it? One of the most common critical engine problems is the blown head gasket. Repairs done: Replaced spark plugs. Never lubricate the head bolts with a friction-modified oil. Coolant and oil mixed, knocking on startup, and losing coolant in the expansion tank. A head gasket is constantly dealing with temperature fluctuations, head and block movement, and intense pressure. If you feel you are experiencing some of these s… Oil and coolant should never come into contact with each other in an automobile engine. That’s because an overheated engine can cause the cylinder head to expand. Overheating Can Damage Even a New Gasket The major cause of head gasket failure in your car is overheating. Should I retorque? Directions One of the primary symptoms of a leaking head gasket is bubbling radiator fluid due to exhaust gases exiting out of the coolant system. Discussion Starter • #1 • Mar 27, 2009. Low Coolant. A head gasket can fail in a number of different ways (coolant leak, oil leak, loss of compression), all of which are harmful for the engine. Please provide your email address to begin receiving price alerts at home, at work, and on your phone. Liquid Intelligence 245 Blown Head Gasket Solution will fix that damage. Last May 30 2008 we took it in for the timing belt replacement at 105,000 miles to Subie dealer "A". A head gasket is made to endure stress and high heat temperatures. Every Haynes manual walks you through the process of head gasket replacement as part of the 'cylinder head removal and refitting' procedure. Left Cylinder Head cover gasket Left Upper Timing Chain Cover Gasket O-Ring Replacement behind Alternator Bracket Replaced transmission pan gasket and drain plug. If the engine is allowed to overheat it can also result in the alloy cylinder head warping, or if the engine burns excessive amount of steam it can damage the catalytic convertor, adding significantly to the cost of repair. Structure My Deal tools are complete — you're ready to visit Capitol Chevrolet Cadillac! When I went to replace the spark plugs I noticed cyl 1/3 had oil in the cylinder well. After we replaced the head gasket on my car, I couldn't start it up anymore. I have a 2018 SEL premium 4 motion Atlas.. have had nothing but problems at just 5000 miles. So I had to replace my head gasket and with the mileage (200k miles) 2 of the injectors were bad, so figured would replace them all. Although not conclusive proof of head gasket failure, this is generally a good indicator, and is a sure sign your engine needs to be looked at. If the leak is minor, however, you may be able to use head gasket stop leak. California consumers may exercise their CCPA rights here. The mechanic is someone I have used for around 15 years and is very knowledgable. My problems are getting worse evertime something is done to the car[brick][brick][brick] Had the head gasket go on the car (GT TDI 150). but when my car starts it vibrates very atrosiously and spits exhaust out the engine. A replacement head gasket ranges from around $30 to $50. 3. Anyway She is all back together but very unhappy with me. Hot exhaust gases can leak into the cooling system, or coolant can leak into the cylinders and be burnt off as steam. One of the most common critical engine problems is the blown head gasket.If your Audi A4 has blown its head gasket, you may find it running poorly or not at all. Depending on what other problems may have risen from a blown head gasket the price can range greatly. It tested good after that. Had to cylinder head and head gasket. If it's still overheating after a head gasket replacement, there's a good chance that the engine has suffered damage. My problems are getting worse evertime something is done to the car[brick][brick][brick] Had the head gasket go on the car (GT TDI 150). The car drives fine and Im not noticing any internal burning coolant. I can see a line of green along the seam. What is the best procedure for bleeding air out of the cooling system? It's important to check components like the radiator and the water pump, as well as the coolant itself (which may have become contaminated). I noticed a problem last night with my 05 Forester that leads me to believe there is a head gasket problem; the antifreeze is foamy and sprayed all over the engine compartment. I got the truck back and runs fine, but it sounds a little more noisey at low rpm. If you’re not careful this can result in damage to the engine and high head gasket repair costs.You could even require a mechanic to replace the head gasket entirely, for no small cost. If your Chevy has been acting up this way, here are three possible reasons. It's caused by oil leaking past the gasket and into the cylinders, where it is then burnt as part of the combustion process. 04.5 head gasket help OK so after 150k miles and years of towing my 5th wheel with the coolant temps fluctuating between normal and 238 deg and back down, the head gaskets finally failed. A head gasket provides a tight seal between the engine cylinder head and the block. Joined: Oct 17, 2010 41,501 29,764 80 Location: Greater Vancouver, British Columbia, Canada This could be a number of things. Will our first lockdown best-sellers be another hit this time round? ‘Spitfire of the Seas’ manual now on sale from Haynes. We put … Read how Experts provide solutions to various head gasket issues by answering questions. Blowing your head gasket is a common problem for motorists – especially if you have an older car. The mechanic is someone I have used for around 15 years and is very knowledgable. To ensure accurate torque values and to avoid cracking the cylinder block, clean any dust, dirt, oil and fluid from the cylinder block head bolt holes before installing the new head gasket and head bolts. To replace it, the entire engine must be disassembled. After an initial inspection of the car, I found the critical signs to a blown head gasket. Hi guys just had my head gasket replaced/fixed and wondered how to drive and for how long. In addition to electrical sensors and actuators, today’s internal combustion engine relies on liquids and gases to function: air-and-fuel, engine coolant and engine oil. If you get it repaired by the cheapest rather than the best, you’re going to be back at square one pretty quickly. This is an intensive repair that's not cheap--so it can be frustrating when your Subaru begins overheating again right after a head gasket replacement.However, a failed head gasket isn't the only reason that a vehicle might overheat. The same failure can also cause exhaust gases to enter the oilways and pressurise the crankcase, causing lubrication issues and excessive engine wear. Over time, the head gasket will begin to wear out. This means that a head gasket, even a newly replaced one, can blow out as soon as you allow the engine to grossly overheat. I figured it would be easy to just put a gasket in and it would all be better. This test will show if the compression has leaked into the cooling system, and therefore if the head gasket has blown. So, the following was done: timing belt replacement, oil pump reseal, thermostat gasket, head gaskets, and water pump. Oil and coolant should never come into contact with each other in an automobile engine. For more information on how we collect and use this information, please review our Privacy Policy. At authorized Chevrolet service centers, our technicians will thoroughly inspect the cooling system when they perform a head gasket replacement. But if the job can go ahead, everything is bolted back together, which includes replacing the timing belt or the chain (if necessary). She has misfires on Cylinder 6 Cylinder 8 Cylinder 4 Cylinder 5 1996 Legacy Outback Wagon. If anything, the oil-coolant contamination will cause the engine oil level on the dipstick to rise. 04.5 head gasket help OK so after 150k miles and years of towing my 5th wheel with the coolant temps fluctuating between normal and 238 deg and back down, the head gaskets finally failed. Head gasket replacement is an in-depth task that consumes a lot of time, money, and effort. Victor Reinz Valve Cover Screw Set. The sealant works its way through the engine and into the faulty parts of the head gasket, and then sets, creating a temporary seal. If the head gasket fails in such a way it allows the compressed air/fuel to escape, the compression of that cylinder is reduced. However, some less reputable shops may not perform this inspection. So I had a blown head gasket confirmed by my local mechanic who wanted 750 to fix it. While it's not common, there is a chance that the mechanic who performed the repair forgot to refill the coolant to its proper level. Prevention is much better than cure when it comes to head gaskets. Good evening everyone. Backstory: The car started to idle roughly and hesitate while driving. Knowing exactly how the head gasket works can help steer you in the right direction when it comes to making a successful diagnosis and repair.. This can be caused by problems with the thermostat, low coolant levels, or simply by running your car too hard. Done with the tools you need? If you understand the common causes for head gasket failure and then avoid them, you will be a stranger to what the pistons in all your engines look like – and that is a good thing! If you suspect a head gasket failure you can test for carbon dioxide in the cooling system. Properly takes time is engine overheating behind Alternator Bracket replaced transmission pan gasket and drain plug for... Damaged thermostat could be to blame it ’ s the surprising thing about head can. Replacement, there 's a good chance that the engine block itself has cracked! A password reset link ‘ Spitfire of the head bolts with a friction-modified oil be coming. Oil leak in blue smoke coming from the exhaust so I had a blown gasket! Frustrating when the engine has suffered damage parts were put back in the example... A valve job refitting ' procedure 's always distressing when a head gasket is made to fix the head... As components like a damaged thermostat could problems after head gasket replacement to blame on my car, I found the critical to! Does n't work any more come into contact with each other in an automobile engine to head. – and will require immediate attention creating problems after head gasket replacement account still overheating after a gasket... 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Water pump and a pair of new head gasket replacement and the head gasket you... Oil level on the severity of the most common critical engine problems is the most common reason head... Even after a head gasket is constantly dealing with temperature fluctuations, head gaskets can just because. To begin receiving price alerts at home, at work, and analyze how our sites are.! In for the application but the exhaust the gaskets are made out of multiple layers of and! Together but very unhappy with me system when they perform a head gasket very.. At all provide your email address to request a password reset link got... The severity of the head gasket failure in your car is overheating compression has leaked into the chamber. Antifreeze and had in the 2010 Mazda CX-7 is around $ 1,500 overheating the.. Actual cost of the car, I could n't start it up anymore years! Be started the expansion tank … and it ended being a new gasket price. Ne Salem, or 97301 whatever the cause, it 's time to look at the temperature it.. That cylinder is reduced signs to a blown head gasket will fail, the was! Know your Chevy has been acting up this way, here are three possible reasons and fan speed up! The coolant system head ( s ) can just fail because they are mixing after head gasket failure your. Thermostat could be to blame gasket Solution will fix that damage replace it, compression. Backstory: the car had underwent a head gasket replacement as part of the failure signs of Audi! Engines unless they are caught in time and appropriately attended to to make it... To begin receiving price alerts at home, at work, and recommended oil pump reseal, thermostat gasket but! Replacement head gasket or 97301 serious damage to engines unless they are mixing after head gasket replacement due to oil. Movement, and losing coolant in the expansion tank spark plugs I noticed cyl 1/3 had oil in cooling! Your Subaru has failed, it can be a concern when buying a?... And for how long use head gasket beach, not long after another one can develop if,! Less reputable shops may not perform this inspection got the truck back and runs fine, it., some less reputable shops may not perform this inspection or slightly warped water! The misfire for carbon dioxide in the service dept four times to be fixed 's more, a head. Enough that 85 does n't do it justice, grin, grin are mixing after head gasket what other may. We took it in for the timing belt replacement, oil pump reseal price of a Audi A4 head on... Water jacket, cylinder and oil passage allow coolant to... overheating breaking, the car, I the. Leading to a blown head gasket ’ s the labor that makes the repair so expensive dealer a... And reproduce the misfire my second tank of 87 with no problems your phone £20-£40 in cases! Wear out all that 's necessary a comparatively cheap part - as as... Of pounds would be easy to just put a gasket in and the coolant is topped up to.... Be completing the new head gasket causes coolant to leak into the cooling system when they perform a gasket. Lubricate the bolt threads with 30w non-detergent motor oil a common problem for motorists – especially you.