Cleaning and Inspection Procedure - Conditional
WARNING: This page is about a different variant/trim than selected.
- Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
- Remove any old thread sealant, gasket material or sealant using EN - 28410 Gasket Remover.
- Clean all cylinder head surfaces with non-corrosive solvent.
- Blow out all the oil galleries using compressed air.
- Remove any carbon deposits from the combustion chambers using the GE - 8358 Carbon Removal Brush.
- Clean any debris or build-up from the lifter pockets.
- Inspect the cylinder head for the following:
- Cracks, damage or pitting in the combustion chambers
- Debris in the oil galleries - Continue to clean the galleries until all debris is removed.
- Coolant leaks or damage to the deck face sealing surface - If coolant leaks are present, measure the surface warpage as described under Cylinder Head Measurement - Deck Flatness Inspection.
- Burrs or any defects that would degrade the sealing of the NEW secondary camshaft drive chain tensioner gasket
- Damage to any gasket surfaces
- Damage to any threaded bolt holes
- Burnt or eroded areas in the combustion chamber
- Cracks in the exhaust ports and combustion chambers
- External cracks in the water passages
- Restrictions in the intake or exhaust passages
- Restrictions in the cooling system passages
- Rusted, damaged or leaking core plugs
- If the cylinder head is cracked or damaged, it must be replaced. No welding or patching of the cylinder head is recommended.
Inspect the fuel rail injector bores and clean with EN - 47909 Injector Bore and Sleeve Cleaning Kit, if required.
WARNING:
Refer to Safety Glasses Warning .