Duramax LLY – VALVE LIFTER INSTALLATION

1. Prime valve lifters in kerosene then engine oil. Immerse lifter in kerosene first and oil last. Then pump plunger with pushrod to force solution through lifter.

2. Lubricate lifters with oil and install in cylinder block.

3. Position guide plates on lifters. Then install guide clamps and bolts. Tighten bolts to 15-20 lb-ft (20 -27 Nโ€ขm) (Figure 2-175).

4. Rotate crankshaft several turns to ensure lifters move freely.