Do it yourself
Frequently asked questions about cars and motorcycles

Replacing the Rocker Cover Gasket

Model: Vauxhall Astra Astra G - Years 1998-2006
Part: Engine

The perfect sealing of the rocker cover gasket, which covers the camshaft that controls the intake and exhaust valves, is absolutely essential: any leaks can alter the oil level in the engine, cause soiling of the engine block, and at the same time, contact with very hot elements can cause burns and unpleasant odours. The application of the new gasket first requires proper cleaning of the gasket seat; then, place the gasket under the cover and apply gasket sealant in the areas where the camshaft support zones are located; then position the cover and tighten the corresponding fastening bolts.

Updated on 13 February 2026 by ScegliAuto

Video tutorial

Related tutorials

Vauxhall Astra (1998-2006 / Astra G) Before applying the new rocker cover gasket, thoroughly clean the gasket seat on both the cylinder head side and the cover side to remove any dirt an…
Vauxhall Astra (1998-2006 / Astra G) The gasket kit for the series Smeriglio always includes the rocker cover gasket: after thoroughly cleaning the gasket seats, insert the gasket into t…
Vauxhall Astra (1998-2006 / Astra G) After thoroughly cleaning the gasket seat, both under the cover and on the cylinder head, insert the new gasket into the designated groove along the …

Other guides you may be interested in

How to Bleed the Clutch on a Renault Clio?

To bleed the clutch on a Renault Clio, open the bonnet to access the components located in the engine bay: here, you will need to undo the screws that secure the battery in its housing, the intake manifold, and the coolant reservoir. This will allow you to locate the pipe through which the brake fluid flows: by inserting the other end of the pipe into a container, you can press the clutch pedal to expel all the fluid until it fills the container.

Watch the video!


by ScegliAuto

More videos