The manifolds can all be immersed in parts cleaning solvent. Carbon buildup in the exhaust manifolds can be removed with carb cleaner, wire brushing, or…
Category: Duramax LLY
Clean the pan and covers in cleaning solvent. Use carb cleaner on stubborn deposits if necessary. Inspect rocker covers and oil pan for cracks, sealing…
Flush the engine oil cooler whenever a component failure contaminates the oil with metal or similar particles. The oil and filter should also be changed.…
Oil Filter Adapter Inspect the adapter fitting and bolt for damaged threads (Figure 2-149). Replace either fitting if damaged. Inspect the filter adapter for stripped…
The oil pump can be disassembled for inspection if desired but not overhauled. The pump is serviced only as a complete assembly. Individual pump parts…
The flywheel can be immersed in cleaning solvent. However, the torsional damper should only be wiped clean with a cloth wetted with parts cleaner. The…
Clean the rocker arms, shafts, pushrods, guides, clamps, and lifters in parts cleaning solvent. Immerse the lifters in solvent and use a pushrod to stroke…
1. Scuff sand all gasket surfaces with 180 grit paper. 2. Clean the valvetrain parts and cylinder head with solvent and dry with compressed air.…
Clean the cylinder heads and valve components in parts cleaning solvent. Use carb cleaner and a wire brush to remove stubborn carbon deposits on the…
1. Remove glow plugs and injectors if not previously removed. 2. Remove temperature sender from left side head (Figure 2-132). 3. Clean valve faces with…