GMC 8681926 Transmission Asm,Auto (Remanufactured)

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After removing the transmission pan and draining the fluid, you should remove the torque converter cover and mark the torque converter and driveplate for proper reassembly.

Remove the jacks supporting the transmission and engine. Reinstall the various components removed earlier, including the transfer case if applicable, the driveshaft(s), and exhaust system components. Verify all wires and hoses are reconnected, ensure the transmission is filled with lubricant to the proper level, and lower the vehicle.

Yes, a competent do-it-yourselfer can remove and install a manual transmission if problems arise.

Overhauling a manual transmission involves the disassembly and reassembly of many small parts. Precise measurements of clearances must be taken and select fit spacers and snap-rings may need to be changed.

Support the engine and transmission separately, with the latter supported by a special jack. Remove the nuts from the crossmember bolts, raise the transmission slightly, and remove the crossmember. On heavy-duty (cast iron case) transmission models, remove the transmission-to-clutch housing bolts; on normal-duty models, remove the transmission-to-engine bolts. Ensure all wires are disconnected, and then move the transmission and jack toward the rear of the vehicle until the transmission input shaft is clear of the clutch or clutch housing. Lower the transmission, taking care not to depress the clutch pedal while it's out.

During transmission removal, you should disconnect and plug the transmission fluid cooler lines. When installing the transmission, reconnect and secure the transmission fluid cooler lines, ensuring a secure connection.