Chevrolet Trailblazer Service Manual page 124

To Install:
1. Apply a 0.2 in (5 mm) bead of sealant 0.8 in (20 mm) long to the oil pan and engine
block junction.
2. Place a new gasket on the engine front cover.
3. Attach the engine front cover to the engine, hand tighten the bolts.
4. Install a J 41476 front and rear cover alignment tool onto the engine front cover.
5. Align the tapered legs of the J 41476 front and rear cover alignment tool with the
alignment surfaces of the front cover.
6. Install the crankshaft balancer bolt into the crankshaft, hand tighten the bolt.
7. Torque the engine front cover to oil pan bolts to 18 ft-lb (25 Nm).
8. Torque the remaining engine front cover bolts to 18 ft-lb (25 Nm).
9. Remove the J 41476 front and rear cover alignment tool from the engine front
cover.
10. Install a new crankshaft front oil seal into the engine front cover.
11. Install the crankshaft balancer into the crankshaft.
12. Install the water pump onto the engine.
13. Install the A/C compressor and bracket onto the engine.