Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2011SAVANA SPECIAL 4.8 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 80 (FRONT DRIVE AXLE)REPAIR INSTRUCTIONSDIFFERENTIAL CARRIER ASSEMBLY REPLACEMENTINSTALLATION PROCEDURE
2011 GMC Savana Special 4.8 A
Installation Procedure
2011 GMC Savana Special 4.8 ASECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 GMC Savana Special, 2010 GMC Savana Camper Special, 2010 GMC Savana, 2010 Chevrolet RV Cutaway, and 2010 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Install the differential carrier assembly to the vehicle.
- Connect the vent hose to the differential carrier assembly.
- Install the differential carrier assembly upper mounting bolt and the nut.
Do not tighten the bolt to specification at this time.
- Install the inner shaft upper mounting bolt and the nut.
Do not tighten the bolt to specification at this time.
- Install the front engine crossmember. Refer to Engine Front Crossmember Replacement (4WD) or Engine Front Crossmember Replacement (RWD) .
- Tighten the upper differential carrier assembly and inner shaft housing mounting bolts and tighten to 85 N.m (63 lb ft).
- Connect the left side wheel drive shaft to the inner shaft flange.
Align the marks made during removal.
- Perform the following procedure before installing the wheel drive shaft to inner shaft bolts:
- Remove all traces of the original adhesive patch.
- Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
- Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the threads of the bolts.
- Install the left side wheel drive shaft to inner shaft bolts and tighten to 50 N.m (37 lb ft).
- Connect the right side wheel drive shaft to the inner shaft flange.
Align the marks made during removal.
- Perform the following procedure before installing the wheel drive shaft to inner shaft bolts:
- Remove all traces of the original adhesive patch.
- Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
- Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the threads of the bolts.
- Install the right side wheel drive shaft to inner shaft bolts and tighten to 50 N.m (37 lb ft).
- Install the engine protection shield. Refer to Engine Protection Shield Replacement .
- Connect the propeller shaft to the differential carrier assembly. Refer to Front Propeller Shaft Replacement .
- Fill the differential carrier assembly with the proper lubricant. Refer to Front Axle Lubricant Replacement .
- Remove the jack or utility stands.
- Lower the vehicle.
- Inspect the vehicle's Z height and adjust, if necessary. Refer to Trim Height Inspection .
CAUTION:
Refer to Fastener Caution
.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.