Installation Procedure

WARNING: This page is about a different car, the 2002 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Install the balance shaft driven gear, if required.
NOTE: This bolt is designed to permanently stretch when tightened. The correct part number fastener must be used to replace this type of fastener. Do not use a bolt that is stronger in this application. If the correct bolt is not used, the parts will not be tightened correctly. The system or the components may be damaged.
Prevent the balance shaft from rotating and install the balance shaft driven gear bolt, if required.
Tighten:

Tighten the balance shaft driven gear bolt to 22 N.m (16 lb ft). Use the J 36660-A in order to rotate the bolts an additional 70 degrees

Fig 1: Balance Shaft Driven Gear
Courtesy of GENERAL MOTORS CORP.
Install the camshaft thrust plate, if required.
Install the camshaft thrust plate bolts, if required.
Tighten:

Tighten the camshaft thrust plate bolts to 15 N.m (11 lb ft)

Fig 2: Camshaft Thrust Plate
Courtesy of GENERAL MOTORS CORP.
Install the balance shaft drive gear, if required.

Fig 3: Balance Shaft Drive Gear
Courtesy of GENERAL MOTORS CORP.
Align the timing marks on the balance shaft drive gear and the balance shaft driven gear.

Fig 4: Timing Marks On The Balance Shaft Drive Gear And The Balance Shaft Driven Gear
Courtesy of GENERAL MOTORS CORP.
Install the crankshaft sprocket.
Install the timing chain and sprocket.

Fig 5: Timing Chain And Sprocket
Courtesy of GENERAL MOTORS CORP.
Assemble the timing chain on the sprockets with the timing marks as close together as possible.

Fig 6: Assemble The Timing Chain On The Sprockets
Courtesy of GENERAL MOTORS CORP.
Install the camshaft sprocket bolt.
Tighten:

Tighten the camshaft sprocket bolt to 100 N.m (74 lb ft). Use the J 36660-A in order to rotate the bolts an additional 90 degrees

Fig 7: Camshaft Sprocket Bolt
Courtesy of GENERAL MOTORS CORP.
Install the timing chain dampener.
Tighten:

Tighten the dampener bolt to 22 N.m (16 lb ft)

Fig 8: Timing Chain Dampener
Courtesy of GENERAL MOTORS CORP.

Important: Rotate the engine two revolutions and check the timing marks. Ensure that the marks are aligned.
Install the engine front cover. Refer to Engine Front Cover Replacement