How to Repair How to Repair

How to Repair Your Head Gasket

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Block, Head Gasket & Cylinder Head.

How to Repair Your Head Gasket

This article applies to most engines, (the images are from a Land Rover Discovery 2).

A more detailed description of repairing a Head Gasket, including many more photographs, can be found here.


The biggest single components of the engine (excluding the gearbox) are the ‘block’ and the ‘cylinder head’. Most components are contained within, or attached to them.

The cylinder head is placed on top of the block. The two are held together with cylinder head bolts and the joint between the two parts is sealed with a cylinder head gasket.

The head gasket is important because it keeps the engine coolant, oil and combustion gasses from escaping, or mixing with each other.



Head Gasket Repair

Fault Finding

(based on my own experiences):

Symptoms of a ‘blown’ head gasket may be a combination of the following:

The Fault on this Particular Vehicle Was: