Balance Shaft (Unit Repair) Installation: Installation

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Install balance shaft bushing using Balance Shaft Bearing Remover/Installer J43650.

Fig 1: Installing Balance Shaft Bushing
Courtesy of GENERAL MOTORS CORP.
Seat balance shaft bushing into bore using J43650 and a wrench.
When the J43650 is fully seated in the engine block remove it with a wrench.

Fig 2: Seating Balance Shaft Bushing Into Bore
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: If balance shafts are not properly timed to engine, the engine may vibrate or make noise.
Place the number one piston at top dead center (TDC).
Install balance shaft drive chain sprocket on crankshaft.
Install balance shafts into their bores.
Install balance shaft retaining bolts.
Torque:

Balance Shaft Retaining Bolts: 10 N.m (89 in-lbs)

Fig 3: Installing Balance Shaft Retaining Bolts
Courtesy of GENERAL MOTORS CORP.
Align arrow on exhaust sprocket with notch on carrier. Arrow should point down.

Fig 4: Aligning Arrow On Exhaust Sprocket
Courtesy of GENERAL MOTORS CORP.
Align arrow on intake sprocket with notch on carrier. Arrow should point up.

Fig 5: Aligning Arrow On Intake Sprocket
Courtesy of GENERAL MOTORS CORP.