1. Position insulator on engine bracket (Figure 2-13). 2. Install engine bracket and insulator. Tighten engine bracket-to-block bolts to 30 lb-ft (41 N.m) torque. Tighten…
Category: Duramax LLY
1. Remove fan and clutch as assembly. 2. Remove nuts/bolts attaching front propeller shaft center bearing to bracket. 3. Mark front propeller shaft U-joint and…
General Information The repair procedures described in this section cover engine service that can be performed in the vehicle. Engine removal is not required. Left/Right…
POTENTIAL CAUSE 1. Insufficient intake air volume. 2. Partially plugged oil drain tube. 3. Oil Leaking past worn compressor or turbine side seals. 4. Engine…
POTENTIAL CAUSE 1. Obstruction in air intake or outlet systems may cause high pitch whine. 2. Compressor/turbine impeller contacting housing, or other internal damage. May…
POTENTIAL CAUSE 1. Air filter plugged. 2. Restriction in air intake duct to turbocharger compressor wheel. 3. Air leak in turbocharger compressor inlet and outlet…
POTENTIAL CAUSE 1. Lean fuel mixture caused by insufficient fuel volume or pressure. CORRECTION 1. Problem is in fuel delivery system. Check fuel supply pump…
1. Install new O-ring seal on turbocharger manifold outlet. Do not reuse old O-ring as leakage may occur. 2. Clean gasket surfaces of intake manifold…
1. Remove front console, rear console, engine cover, and disconnect related wiring and A/C ducting. 2. Remove turbocharger heat shielding. 3. Loosen clamps attaching turbocharger…
Boost pressure is checked with a compound vacuum/pressure gauge. A road test under boost conditions is required. Procedure is as follows: 1. Attach compound gauge…