Jeep jk head gasket replacement

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Jeep Wrangler JK Cylinder Head Gasket Replacement

A cylinder head gasket replacement is an important and serious service. The cost will vary depending on the year, make, and model of your car.

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RepairSmith offers upfront and competitive pricing. The average cost for Jeep Wrangler JK Cylinder Head Gasket Replacement is $ Drop it off at our shop and pick it up a few hours later, or save time and have our Delivery mechanics come to you.

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Jeep Wrangler JK

L V6 Unlimited Rubicon • 41, miles

Tehachapi ,  CA

$1, - $1,

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Jeep Wrangler JK

L V6 Unlimited Rubicon • 32, miles

Sunnyvale ,  CA

$1, - $1,

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Jeep Wrangler JK

L V6 Sahara • 54, miles

San Jose ,  CA

$ - $1,

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Jeep Wrangler JK

L V6 Sport S • 51, miles

Palos Verdes Peninsula ,  CA

$1, - $1,

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Jeep Wrangler JK

L V6 Unlimited Sport S • 32, miles

San Pablo ,  CA

$1, - $1,

Last Updated:
Dec 17, PM

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What is a Cylinder Head Gasket?

The cylinder head gasket might be the most important part of your car that you’ve never heard of. There are two major responsibilities for the cylinder head gasket, and it’s pretty good at multitasking. The gasket serves to form a very tight seal between the engine block and the cylinder head. That seals off the combustion chamber and keeps the oil and coolant passages in the cylinder head separated. That might not sound like much, but it is. Without the cylinder head gasket to do those things, your car’s engine won’t function properly, and will be liable to suffer serious damage. You don’t want that. Cylinder head gaskets normally have a long lifespan, but they can occasionally die. Given their job and their location, they’re subject to a lot of wear and tear, as well as extreme temperatures and pressure. That can eventually lead the cylinder head gaskets to die, at which point they’ll need to be replaced.

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Symptoms of a busted Cylinder Head Gasket

Check engine warning light

The check engine light exists for a reason, and that reason is to let you know that there’s something wrong with your car that may be potentially serious. That something could be a busted cylinder head gasket, which, if ignored, will result in severe and highly expensive issues with your engine. Still think that little warning light on the dashboard is insignificant?

Misfiring engine

You may ignore the warning lights on your dashboard, but you’re probably a little less likely to ignore when your engine doesn’t feel quite right. If your car’s cylinder head gasket is busted, then it may not be creating enough compression in the combustion chamber. The result will be an engine that isn’t quite functioning properly, which will result in misfiring. Not familiar with misfiring? You’ll likely hear some popping noises now and then, and you may notice a loss of power.

Low coolant level

Your car’s cylinder head gasket is a seal. When that seal isn’twell, sealing, then coolant can enter the cylinders. Do I really need to explain to you why coolant running away from home is bad? Coolant in the combustion chamber means coolant isn’t where it should be, and that will lower the fluid level in the coolant reservoir. Look, you don’t need to understand how your car works, or be able to perform repairs, or even change a tire. But if you have some spare time on the weekend, maybe get in the practice of checking your car’s fluid levels. That way you’ll notice if you’re low on coolant, which could be a sign of a busted cylinder head gasket.

Coolant/oil intermix

If the head gasket fails, the oil and coolant passages inside the cylinder head may not be sealed off properly. As a result, coolant may enter the oil and visa versa.

Engine overheating

Some things can deal with overheating. When you accidentally put your popcorn in the microwave, sure, you lost your popcorn, but no big deal. Not the case with your engine. An overheating engine is not a good thing, and it’s a sign that something isn’t working right. If your car’s cylinder head gasket isn’t working, then the system will be leaking coolant into the combustion chamber, and the coolant won’t be able to do its job, which is to keep the engine from overheating. You can probably guess what happens next: an overheating engine. So, if that temperature gauge on the dashboard is rising, pay attention to it.

Heater doesn’t work

The coolant in your car has one primary purpose: To keep the engine from overheating. But it has a notable secondary purpose as well: To heat the car’s cabin. Your car’s interior heater gets heat from the coolant that circulates around the engine, absorbing heat. If the cylinder head gasket fails, the coolant will leak out of the system and into the combustion chamber, and there won’t be enough coolant to warm the interior of the car. Which means you’ll probably be stuck shivering.

White smoke

You’re not in college anymore. A fog machine might have made for a cool ambiance at your house parties, but you’re long past that. Hopefully. White smoke emerging from the tailpipe of your car? Not a good thing. Not a good thing at all. It’s often caused by coolant leaking into the engine, which, if you’ve been paying any attention at all, is often the result of a damaged cylinder head gasket.

Engine failure

If enough coolant leaks into the combustion chamber, serious damage can occur to the engine. The coolant can also mix with the oil, keeping the engine from having adequate lubrication, which will also lead to irreparable damage. If you pay attention to the above signs, you can get the cylinder head gasket replaced before your engine completely fails. But if you ignore them, you’re in for a treat. And by “treat” I mean “disaster.”

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How urgent is a Cylinder Head Gasket replacement?

Have you been paying attention? A busted cylinder head gasket will result in an engine that doesn’t perform optimally, and will eventually lead to catastrophic engine damage that is wildly expensive to repair.

You don’t want that.

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Related Jeep Wrangler JK Repairs

Coolant Hose Replacement Cylinder Head Replacement Drive Belt Replacement Engine Motor Mount Replacement Engine Oil Pan Replacement Engine Tune-Up Engine Valve Adjustment Engine Valves Adjustment Engine Valves and Cylinder Heads Replacement Fuel Filter Replacement Fuel Pressure Regulator Replacement Heater Hose Replacement Idler Pulley Replacement Intake Manifold Gasket Replacement Left Engine Mount Replacement Lower Intake Manifold Gasket Replacement Oil Pan Gasket Replacement PCV Valve Replacement

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Other Repairs

Check Engine Light Diagnosis Radiator Flush PCV Valve Replacement Alternator Replacement Brake Pad Sensor Replacement Brake Fluid Flush Radiator Cooling Fan Replacement Fuel Evaporative Canister Replacement Gas Cap Replacement Idler Pulley Replacement Upper Intake Manifold Gasket Replacement Engine Valves Adjustment Heater Core Replacement Front Hub Assembly Replacement Front Stabilizer Bar Bushing Replacement Starter Replacement Wheel Alignment Front Lower Ball Joint Replacement

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‘09 JKU Head Gasket Probs

The other day I drove into work and as i was getting out I took a look back at my Jeep and saw a small puddle underneath. Well I looked but I was unable to see where it was coming from. Fast forward to my day off, so I took my passenger wheel off and the fender well insert. And after turning on the Jeep and looking for fluid leaks I found the place. It’s leaking from the head gasket, directly under the passenger manifold.

Called a mechanic friend over to take a look and he’s thinking I need to go ahead and pull the engine to do it all. Figured if I’m gonna do that I might as well do a full refresh of everything.

Clean the intake manifolds, spark plugs, egr, water temp sensor, thermostat, oil pan gasket, etc. Also looks like I’m gonna clean and the engine bay and paint several areas that need it.

Are there any suggestions from anybody which could make this a little easier on me? Any write ups already out there? I’ve done a search and didn’t come up with anything on here.

Here is a short video I made.

Sent from my iPhone using WAYALIFE mobile app


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Why should you be bothered about the head gasket of your jeep Wrangler? It may interest you to know that it performs functions that aid the regularity of the car engine operation.

The head gasket of your Jeep Wrangler located between the engine block and the cylinder head.

It is a feature common to modern vehicles, although the design may vary from one automaker to another.

jeep wrangler head problems

The head gasket does this by sealing the combustion chamber and helping your vehicle to compress and contain exhaust gases of the engine.

seal between the cylinder head and the engine block prevents your vehicle’s antifreeze from mixing with the motor oil, and the seal has been described by some automotive experts as critical to ensuring normal vehicular performance as the parts of the ignition chamber.

When the head gasket of your jeep Wrangler is blown, it means that the essential seal between the engine block and the cylinder head has been severed and the implications are manifested as symptoms of a blown head gasket which can read here however in the post we are going to look at jeep wrangler head gasket replacement cost and models above jeep wrangler cylinder head replacement cost.

Related Articles:

Jeep Wrangler Head Gasket Replacement Cost

Replacing the head gasket of your Jeep Wrangler will cost you purchase of the parts and repairs, including the installation of the new head gasket.

You would probably be surprised to know that the components themselves are not expensive. It is the costs of hiring labor to install and repair that occupies the chunk of the budget.

On average, a Jeep Wrangler head gasket replacement costs between $ and $, including the costs of hiring labor to do the repair and installation, which is between $ and $ 

The head gasket itself is not expensive, costing between the range of $50 and $ You should, however, bear in mind that the replacement will not be an instant exercise.

 It may take a while and this means your vehicle staying at the mechanic shop for the time being.

Fixing the head gasket will keep the engine running at secured temperatures by sealing in-between the cylinder head and the engine block and regulating combustion at normal levels.

Jeep Wrangler Cylinder Head Replacement Cost

A cylinder head to replace a cracked one should probably go for $ and not cost more than $ on average.

The cost of workmanship is valued at about $ per hour times the four to five hours that he is expected to spend on the job. In total, the cost of labor added up to the price of components amount to between $ to $

The cylinder head is very important because of its role as the conduit for fuel and coolant. It could get cracked due to several reasons.

Overheating of the engine makes the parts of the cylinder head to be stressed out. Because many cylinder heads are aluminum products, they are susceptible to crack or wrap when the engine heating goes overboard.

Another reason for a cracked cylinder head is the failure of the water pump. Water cools off the engine and when it is not pumped, the excess heat of the engine will not be offset by the coolants surrounding the water jackets in the cylinder head and engine block as it would be too hot. 

Failure of the thermostat could also be responsible for the cracking of the cylinder head. The thermostat acts as the regulator of the flow of coolants to the radiator, allowing and impeding as it is necessary.

A failed thermostat implies that the coolant will not be able to flow to the radiator, and the engine would continue to radiate heat without getting cooled off.

On the other hand, if too much coolant flows to the radiator, the engine gets too cooled and the ignition system may be affected negatively. 

Since the cylinder head is a conduit, it is not uncommon to see its cracking accompanied by an oil leak. Consequently, a check engine light may signify low oil pressure.

 Other symptoms include the poor performance of the engine, leaking of the coolant, smoke from the engine, and the abnormal ignition of the engine.

The misfire of the engine is caused by the mixture of the fuel and coolant in the combustion chamber and this makes improper burning to happen.


The head gasket of the Jeep Wrangler forms the seal between the cylinder head and the engine block and is very critical to the normal functioning of the engine.

 Once it gets blown, the implications are manifested as symptoms and there is a need to get it fixed immediately to avoid plunging the vehicle into further degeneration.

 The blown head gasket has to be replaced and this typically costs between $ to $ on average and the highest estimates should not go beyond $

The replacement may take a while and the estimated cost includes the costs of procurement and labor. 

In the same vein, the cylinder head of your Jeep Wrangler is understandably important to the vehicle. It could get cracked by several factors shown above and replacement could go for $ to $

As the head gasket, not fixing the cylinder head is dangerous and makes the vehicle faultier and more vulnerable.

 In the end, it follows that the components are not themselves expensive, but the cost of labor and installation is the real deal. 

What to Read Next: Subaru Head Gasket Problems Explained( Repair & Replacement Cost)

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How to Replace Valve Cover Gasket 06-18 Jeep Wrangler

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