Powertrain Mount Balancing

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Front Transaxle Mount Through Bolt

Courtesy of GENERAL MOTORS CORP.

NOTE: Follow the balance procedure steps listed below. Powertrain mounts must be tightened in sequence.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Loosen the front transaxle mount through bolt.

Fig 2: Identifying Rear Transaxle Mount Through Bolt

Courtesy of GENERAL MOTORS CORP.

Loosen the rear transaxle mount through bolt.
Lower the vehicle.
Position two floor jacks with wood blocks under the engine and transaxle in order to support the powertrain assembly.

Fig 3: Identifying Transaxle Mount To Transaxle Bolts

Courtesy of GENERAL MOTORS CORP.

Loosen the transaxle mount to transaxle bolts.

Fig 4: View Of Engine Mount To Bracket Bolts

Courtesy of GENERAL MOTORS CORP.

Loosen the engine mount to bracket bolts.
Reposition both floor jacks in order to allow a 1/8 inch gap between the mount and bracket.

Fig 5: Identifying Transaxle Mount To Transaxle Bolts

Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to Fastener Caution .

Tighten the transaxle mount to transaxle bolts in the sequence shown to 45 N.m (33 lb ft).

Fig 6: View Of Engine Mount To Bracket Bolts

Courtesy of GENERAL MOTORS CORP.

Tighten the engine mount to bracket bolts in the sequence shown to 50 N.m (37 lb ft).
Remove the floor jacks from under the oil pan.
Shake the powertrain vigorously from front to rear and allow the powertrain to settle.
Raise the vehicle.

Fig 7: Identifying Rear Transaxle Mount Through Bolt

Courtesy of GENERAL MOTORS CORP.

Tighten the rear transaxle mount through bolt to 100 N.m (74 lb ft).

Fig 8: Identifying Front Transaxle Mount Through Bolt

Courtesy of GENERAL MOTORS CORP.

Tighten the front transaxle mount through bolt to 100 N.m (74 lb ft).
Lower the vehicle.