Installation Procedure

WARNING: This page is about a different variant/trim than selected.

Fig 1: Installing J 41507 To Connecting Rod

Courtesy of GENERAL MOTORS CORP.

NOTE: Do not scrape, shim, or file bearing inserts. If the bearing surface of the insert is touched with bare fingers, the skin oil and acids will etch the bearing surface.

IMPORTANT: Make sure that the connecting rod cap bolt holes and the connecting rod cap mating surfaces are clean and dry.

Dip the connecting rod cap bolts in clean engine oil.
Use clean engine oil in order to lubricate the bearing surface.
Install the upper connecting rod bearing.
Use the J 41507 , in order to pull down the piston, connecting rod and upper connecting rod bearing. See Special Tools .
Remove the J 41507 . See Special Tools .

Fig 2: Connecting Rod Cap And Lower Connecting Rod Bearing

Courtesy of GENERAL MOTORS CORP.

Install the lower connecting rod bearing to the connecting rod cap.
Install the connecting rod cap.

NOTE: Refer to FASTENER NOTICE .

Install the connecting rod cap bolts.
Tighten:
1. Tighten the connecting rod cap bolts to 27 N.m (20 lb ft).
2. Use the J 45059 to rotate the connecting rod cap bolts an additional 50 degrees.
Pry the connecting rod back and forth in order to check for binding. If necessary, loosen and then retighten the connecting rod cap bolts.

Fig 3: Measuring Connecting Rod Side Clearance

Courtesy of GENERAL MOTORS CORP.

Measure the connecting rod side clearance. Refer to Engine Mechanical Specifications .
Install the spark plugs to the cylinders. Refer to Spark Plug Replacement .
Install the oil pan. Refer to Oil Pan Replacement .
Inspect for proper oil pressure.
Inspect for leaks.