Why do I need to replace my cylinder head?

Coolant and fuel both flow through your cylinder head, making its health vitally important to the overall function of your engine. There are several main symptoms of cylinder head problems—high oil consumption, bad fuel mileage, and engine overheating to name a few. You can watch our video for more information.

How often should I replace my head gasket?

While head gasket replacement is not classified as routine maintenance, there are instances in which the gasket may require replacement. If you think you may need to replace your head gasket, it’s best to talk to a mechanic.

When do you need to replace the head on a car?

If a seat is cracked or too badly worn to be refaced, the seat must be replaced. If that isn’t possible, then the entire head must be replaced.

Why does a diesel engine have a cylinder head?

A cylinder head allows for the combustion chamber to be closed and works closely alongside the head gasket to seal the cylinders in the vehicle. Additionally, a diesel engine cylinder head is a key component in keeping the engine components cool, by transporting coolant into the engine block.

Do you need to replace the cylinder head on a Mercedes?

There are times when even a Mercedes Benz requires the replacement of its head gasket. This may be the time when even the Mercedes cylinder head on the engine might need to be rebuilt completely.

What happens when you remove the cylinder head?

Removing the head is a major step in removing the cylinder head. These head bolts hold the cylinder head to the engine block. The head bolts are long bolts that go through the cylinder head and head gasket and when torqued properly create a seal between all 3 components.

Do you have to replace cylinder head bolts?

Warning: Most head bolts are torque-to-yield. These head bolts are single use only and once removed must be replaced. Torque-to-yield head bolts stretch when they are torqued to allow them to tighten properly and repeated application can cause the head bolt to break.

What’s the best way to clean an engine cylinder head?

To clean the cylinder head on your car’s engine, start by removing any small parts, like the camshafts and intake valves, which cannot be cleaned along with the cylinder head. Next, scrape off any head gasket material with a plastic scraper.

Why does my diesel engine cylinder head keep cracking?

Cylinder head cracking is a quite common problem in diesel engines that can lead to other issues. Excessive heat causes the head to expand and contract, which leads to cracking. Depending on the model, the head is sometimes made of a different material, which can make this problem worse.

What happens if you scratch the cylinder head?

Be extremely careful not to scratch or damage the “mating surface” of the cylinder head where the gasket material can be found. Any scratch or damage can cause leaks that will lead to gasket failure once the engine is assembled again. Do not use a metal scraper or any tools that could feasibly damage the mating surface of the cylinder head.

When to stop installing a gasket or cylinder head?

Do not continue with the installation if you notice that your cylinder head or block has pitting, corrosion, small cracks, ridges, or low spots. Any flaws, even the smallest, can result leaks. Re-surfacing the component will resolve any issues.

Why do I need to replace my cylinder head?