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.
2003 Pontiac Aztek AWDFACTORY OEM SERVICE PROCEDURE
Transfer Case Assemble: Notes
- J 5590 Crankshaft Sprocket Installer
- J 8001 Dial Indicator Set
- J 36797 Seal Installer
- J 44752 Bearing, Race, and Seal Installer
- J 44753 Bearing and Seal Installer
- J 44755 Holding Fixture
- J 44757 Shim Selection Kit
- J 44907 Bearing Installer
- J 44908 Bearing Race Installer
Important:
- The transfer case is assembled for proper gear tooth clearances, backlash, and bearing preloads with selective shims.
- Do not assemble the internal components dry. Lightly lubricate the bearing races, bearings, gears, and oil seals with the proper lubricant. Components in the transaxle portion of the transfer case should be lubricated with DEXRON III GM P/N 12378470 (Canadian P/N 10952622) or equivalent. Components in the hypoid gear portion of the transfer case should be lubricated with GM P/N 12378514 (Canadian P/N 88901045).
Factory Service Tools
Use the Manual With the Right Hardware
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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.