Tahoe 2WD V8-4.8L VIN V (2004)
Extension Housing: Service and Repair
Automatic Transmission - 4L80-E/4L85-E
Transmission Extension Housing Assembly Replacement
Removal Procedure
1. Support the transmission with a transmission jack.
2. Place a drain pan under the vehicle.
3. Remove the propeller shaft. Refer to Propeller Shaft Replacement - Rear in Propeller Shaft.
4. Remove the transmission mount. Refer to Transmission Mount Replacement.
5. Remove the case extension bolts (3).
6. Remove the case extension (1).
7. Remove and discard the case extension O-ring seal (2).
Installation Procedure
1. Install a NEW O-ring seal (2) to the case extension.
2. Install the case extension (1).
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the case extension bolts (3).
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Tighten the bolts to 34 Nm (25 ft. lbs.).
4. Install the transmission mount. Refer to Transmission Mount Replacement.
5. Install the propeller shaft. Refer to Propeller Shaft Replacement - Rear in Propeller Shaft.
6. Remove the drain pan and the transmission jack.
7. Fill the transmission to the proper level with DEXRON(R) III transmission fluid. Refer to Transmission Fluid Checking Procedure.
