Home » Duramax LLY » Duramax LLY – CRANKSHAFT PULLEY – Installation

Duramax LLY – CRANKSHAFT PULLEY – Installation

1. Clean face of torsional damper with brake cleaner. Smooth surface with file, or 280 grit paper, if necessary.

2. Install pulley on damper and install pulley bolts. Tighten bolts until snug.

3. Install serpentine belt on all pulleys except belt tensioner (Figure 2-16). Turn tensioner counterclockwise with breaker bar and slide belt onto tensioner. Then release breaker bar so tensioner can rotate clockwise to adjust belt.

4. Tighten crankshaft pulley bolts to 48 lb-ft (65 N.m) torque.

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