Impala V6-3.8L VIN K (2004)
1. Use compressed air in order to blow oil out of the tapped holes in the cylinder head.
2. Lubricate the ends of the push rods with new engine oil. Install the push rods to the same position the push rods was removed from.
3. Install the valve rocker arm guide plates.
4. Install the valve rocker arms.
Notice: Refer to Special Fastener Notice in Service Precautions.
5. Apply GM P/N 12345493 (Canadian P/N 10953488) threadlocker or equivalent to the rocker arm bolt threads
Notice: Refer to Fastener Notice in Service Precautions.
6. Install the rocker arm bolts. Tighten
6.1.
Tighten the bolts to 15 Nm (11 ft. lbs.).
6.2.
Use the J 45059 to rotate the bolts an additional 90 degrees.
7. Install the valve rocker arm covers.
8. Inspect the valve train from noise.
