Part Description: 2003 GMC Sierra 3500 Transmission Cooler
More Info
Vehicle Fitment
2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
FAQ for Automatic Transmission Oil Cooler Repair
Q: What is the recommended bolt torque for the transmission cooler?
A:
The recommended bolt torque is 12 Nm (9 ft. lbs.).
By Bob
GM Specialist
01/11/2022
Q: How to install the transmission cooler?
A:
You can install the auxiliary oil cooler to the vehicle, the bolts, and the push pins, connect the transmission of cooler lines to the auxiliary cooler and install the front grill assembly.
By Bob
GM Specialist
01/11/2022
Q: How to remove the transmission cooler?
A:
You can remove the front grill assembly, place a drain pan under the vehicle, disconnect the transmission oil cooler lines from the auxiliary cooler, remove the auxiliary oil cooler bolts and push pins, and the auxiliary oil cooler from the vehicle.
By Bob
GM Specialist
01/11/2022
FAQ for Other Repair Info
Q: How to install the transmission mount?
A:
You can install the rear transmission mourns, and the Transmission Mount bolts, lower the transmission, install the transmission mount to crossmember nuts, and lower the vehicle.
Q: How to remove the automatic transmission fluid?
A:
You can remove the oil pan drain plug, the oil pan bolts, the oil pan, the gasket, the magnet, the oil filter, and the filter neck seal.
Q: How to install the transmission fluid cooler hose?
A:
You can install the transmission fluid cooler hoses, the engine protection shield, and the grille assembly.