Cylinder Head Replacement Cost Guide
Your cylinder head acts as the roof of your combustion engine, sitting above the cylinders and housing the intake and exhaust valves, spark plugs, and overhead camshafts.
The cylinder head is a critical component of the system, and when it fails, it can cause your engine to stop working properly.
Unfortunately, replacing your cylinder head can cost several thousand dollars. This guide to cylinder head repair cost provides information on how to know your cylinder head is failing, how much it may cost to fix it, and ways to pay for cylinder head replacement.
Key Points
• Replacing a cylinder head typically costs $3,000 or more, depending on the vehicle’s make and model, labor rates, and parts used.
• The replacement process can take between 6 to 15 hours, as it involves disassembling significant portions of the engine, contributing substantially to the overall cost.
• A new cylinder head can range from $200 to $800, but for rare or high-performance vehicles, the cost may approach $6,000.
• A damaged cylinder head can indicate or cause other engine issues, such as bad bearings or piston rods, which may need to be addressed during replacement.
• To manage the high cost, options like auto loan refinancing can help. Refinancing may lower monthly payments or provide funds to cover repair expenses.
How Much Does a Cylinder Head Replacement Cost?
How much to replace a cylinder in a car? The cost of replacing a cylinder head will depend on the make and model of your vehicle and the cost of parts and labor. You can expect the average cost to be between $4,100 and $4,900 if you have the job done at an auto shop. If you are adept at fixing cars, you may save yourself some money by doing the job yourself.
What Impacts the Cost to Replace a Cylinder Head?
There are a variety of factors that affect the cost of replacing your cylinder head, including:
Parts Costs
On average, a new cylinder head will cost between $250 and $1,000, but some can cost as much as $6,000. Cost will depend on the brand and type of engine that you have, and whether you buy the part used or new. For rare and high-performance vehicles, the cost of a new cylinder head could run into the thousands of dollars.
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Labor Costs
Unfortunately, replacing a cylinder head isn’t an easy fix and usually requires disassembling your engine. You can expect it to take six to 15 hours for your mechanic to complete the task, which will likely happen throughout at least a couple of days.
Number of Cylinder Heads
If you have an inline engine, you’ll only have one cylinder. Many vehicles have “V” engines, though, which have two cylinder heads. If both of these need to be replaced, the cost of parts and labor will increase.
Repairing Other Impacted Parts
A damaged cylinder head may be the result of other issues inside your engine, such as bad bearings or piston rods. These problems will also need to be addressed when you replace the cylinder head to prevent further damage.
What’s more, a bad cylinder head could cause the engine to overheat. This can cause engine failure and result in needing to replace your engine.
Difference Between a New and Remanufactured Cylinder Head
A remanufactured cylinder head has been rebuilt with parts that are still functioning and serviceable. Every part of the cylinder head will be replaced, and the process can involve recasting, installing new parts, machining, and cleaning. Finally, the remanufactured cylinder head is tested to ensure it can withstand the stress and pressure it will be under once back inside your engine.
Can a Cracked Cylinder Head Be Repaired?
In some cases, a cracked cylinder head can be repaired instead of replaced. This involves welding the cracks, putting the cylinder back together, and stress testing it. This option costs less than remanufactured cylinder heads and replacing the part entirely.
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How Are Cylinder Heads Replaced?
Replacing the cylinder head requires draining the coolant and oil from the engine and removing the intake and exhaust manifolds. If the engine has one or more timing belts or chains, these must be removed, as well. You may need to remove other parts, such as the battery, the alternator, the valves, and the engine cover. With these out of the way, the cylinder head itself can be replaced.
How Long Does a Cylinder Head Replacement Take?
A cylinder head replacement can take up to 15 hours of labor, depending on the vehicle’s make, model, and engine complexity. Factors such as the availability of parts, the condition of surrounding engine components, and whether the head needs machining can extend the time.
For some vehicles, the job may take longer, especially if additional repairs are required once the head is removed. Mechanics often need a full day or more to complete the work accurately and test the engine afterward.
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Signs of a Bad Cylinder Head
To know if your cylinder head is failing, watch out for these signs:
Leaking Oil
Oil leaking from the cylinder could mean that there’s a crack or a failing gasket. If you see white smoke coming from your exhaust, that could be another sign that oil could be leaking through a crack in your cylinder head.
High Engine Temperature
If your cylinder head is cracked or warped, coolant won’t be able to run freely over the part, which could cause your engine to overheat. Overheating can cause further damage to the cylinder head or other parts of your engine.
Poor Engine Performance
A cylinder head that’s warped or cracked won’t allow your engine to combust fuel as efficiently. You may notice an uptick in the amount of fuel you use and a decrease in performance.
Warped or Dented Cylinder Heads
Check your cylinder head for visible signs of cracks, dents, and warping. If you see anything unusual, have your mechanic take a look. They can help you determine the cause of the damage and what needs to be done to rectify the situation.
Can You Replace a Cylinder Head Yourself?
Replacing a cylinder head yourself is possible if you have advanced mechanical skills, the right tools, and a repair manual for your specific vehicle. The process involves disconnecting many engine components, precisely torquing bolts, and ensuring proper alignment and sealing. Mistakes can lead to serious engine damage, so unless you’re highly experienced with engine work, it’s often safer and more cost-effective to have a professional handle the job.
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Can You Drive With a Damaged Cylinder Head?
Driving with a damaged cylinder head is not recommended, as it can lead to severe engine damage and potentially complete engine failure. A cracked or warped cylinder head can cause coolant leaks, oil contamination, loss of compression, and engine overheating. Continuing to drive under these conditions can escalate repair costs significantly and may leave you stranded if the engine fails entirely. If you suspect a cylinder head issue, it’s best to have your vehicle inspected and repaired as soon as possible.
How to Pay for Cylinder Head Replacement
Replacing a cylinder head can be an expensive repair, often costing several thousand dollars, depending on the make and model of your vehicle. Fortunately, there are several ways to cover the cost, whether you’re looking to pay upfront or finance the repair over time.
Cash
If you have savings set aside for car maintenance or emergency expenses, paying in cash can be the simplest and most cost-effective option. You won’t have to worry about interest or loan approvals, and you’ll maintain full ownership of your vehicle without any added debt. This option works best if the repair won’t deplete your savings entirely, leaving you with a financial cushion for other emergencies.
Personal Loan
For those without sufficient savings, a personal loan can offer a quick solution. Many banks, credit unions, and online lenders provide unsecured personal loans with fixed interest rates and monthly payments. If your credit is good, you might qualify for favorable terms. Personal loans give you the flexibility to pay for the repair upfront and then repay it over time, often with terms ranging from 12 to 60 months.
Auto Loan Refinance
If you currently have an auto loan, an auto loan refinance could be a strategic way to free up cash for repairs. Refinancing at a lower interest rate or extending your loan term may reduce your monthly payment, allowing you to redirect the savings toward the cylinder head replacement. Some lenders even offer cash-out auto refinancing, which lets you borrow more than what you owe and use the extra funds for repairs.
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The Takeaway
Your cylinder head is a crucial component of your engine, so it’s important to get it repaired or replaced when it’s damaged. The cost of replacement can be significant, running upward of $3,000.
Ways to pay for a cylinder head replacement include cash savings, taking out a personal loan, or refinancing your vehicle.
If you’re seeking auto loan refinancing, SoFi is here to support you. On SoFi’s marketplace, you can shop and compare financing options for your car in minutes.
FAQ
Can I replace just one cylinder head?
Yes, you can replace just one cylinder head if only one side is damaged, especially in V-type engines with separate heads for each cylinder bank. However, it’s important to ensure the other head is in good condition to avoid future issues and maintain balanced engine performance.
Can I prevent cylinder head damage?
Yes, you can prevent cylinder head damage by maintaining proper engine cooling, regularly checking coolant levels, avoiding engine overheating, and changing oil on schedule. Promptly addressing warning signs like overheating or loss of coolant can also help. Routine maintenance is key to preventing costly cylinder head issues.
What are the common causes of cylinder head failure?
Common causes of cylinder head failure include engine overheating, poor cooling system maintenance, lack of proper lubrication, and manufacturing defects. Warped or cracked heads can also result from rapid temperature changes, excessive engine stress, or prolonged neglect of warning signs like coolant leaks or engine misfires. Regular maintenance helps prevent failure.
How long does a cylinder head last?
A cylinder head can last over 100,000 miles or the lifetime of the engine with proper care. Its longevity depends on factors like engine maintenance, driving habits, and coolant system health. Regular oil changes and preventing overheating are key to extending the life of a cylinder head and avoiding costly repairs.
Photo credit: iStock/PixelsEffect
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