Valve Cover Gasket Replacement
Remove Plastic Cover Step 2 - Some engine's are designed with ignition coils mounted to the valve cover which will need to be removed, start by removing the electrical connectors.
Remove Ignition Coil Electrical Connector Step 3 - Loosen and remove the mounting bolts that secure the ignition coils.
Remove Coil Mounting Bolts Step 4 - Remove the ignition coils from the valve cover and inspect.
Remove Ignition Coil
Remove Hoses Step 6 - Remove wiring harness mounting bolts to remove the harness from the valve cover.
Remove Wiring Harness Step 7 - Loosen and remove all valve cover mounting bolts.
Remove Valve Cover Bolts Step 8 - Be sure all valve cover mounting bolts have been removed before trying to remove the cover to avoid damage, use a screw driver or small pry bar to wedge in-between the cover and cylinder head to pry the cover seal loose.
Pry Loose Valve Cover Step 9 - Grasp the valve cover firmly and lift it from the engine bay, a small amount of oil will be present.
Removing Valve Cover Step 10 - Once the valve cover has been removed, the valve train will be exposed, be sure to keep dirt and debris from this area, check the area for excessive sludge build up and clean if needed.
Valve Cover Removed Step 11 - The cover gasket will either be stuck on the cylinder head, or the valve cover itself, remove the old gasket.
Remove Valve Cover Gasket Step 12 - Using a shop towel and some carburetor cleaner, wipe the gasket surface clean to ensure a proper reseal of the new gasket. (Note: A gasket scraper may be needed.)
Clean Gasket Surface Step 13 - Use carburetor cleaner and a shop towel to clean the gasket surface of the valve cover.
Clean Gasket Surface Step 14 - Match the old gasket to the new unit to ensure a proper installation.
New Valve Cover Gasket Step 15 - Gently install the new gasket avoiding bends or folds to the new gasket to preserve the integrity of the gasket, push into place. (Note: Some applications require spray contact cement to hold the gasket while installing.)
Installing New Valve Cover Gasket Step 16 - Gently lower the valve cover into place while ensuring nothing is caught under the gasket during installation.
Installing Valve Cover Step 17 - Some valve cover bolts require a new grommet or gasket which should be included in the new gasket kit.
New Grommet Step 18 - Once all valve cover bolts have been installed by hand, gently tighten the bolts down evenly, in small increments, using a star pattern, bolts should be snug, not super tight.
Tighten Valve Cover Bolts Step 19 - Reattach all hoses and plastic clips which were removed earlier.
Reattach All Hoses Step 20 - Reinstall ignition coil wiring harness mounting nuts and tighten.
Reinstall Coil Wiring Harness Step 21 - Reinstall ignition coils and mounting bolts, tighten and reattach wiring harness connectors. Position the plastic cover back into place and install the hold down nuts and tighten.
Reinstall Ignition Coils Helpful Information Oil is present inside the engine, this oil must be contained through the use of gaskets and seals, these units can wear and fail allowing oil to leak externally. A valve cover gaskets is located between the engine block and cylinder head, when it fails it can leak oil onto the exhaust manifold were it's burned with a noticeable odor. Parts and Supplies Needed
- New valve cover gasket set
- Shop towels
- Carburetor Cleaner
- Recheck valve cover bolt tightness after a short time
- Avoid gasket material and dirt from getting into the engine
- Do not over tighten valve cover
- Clean engine before the valve cover is removed to avoid dirt contamination