Part Description: 2003 GMC Sierra 3500 Automatic Transmission Oil Pump Seal
More Info
Vehicle Fitment
2003 GMC Sierra 3500 | All Trims | All Engines
$2.48
FAQ for Automatic Transmission Oil Pump Seal Repair
Q: What should I use when servicing either (first-design or second-design) oil pump body?
A:
You need to use the new single oil pump spring with tapered ends.
By Bob
GM Specialist
01/11/2022
Q: What is the purpose of the bulletin?
A:
The purpose of this bulletin is to identify the correct oil pump rotor and slide usage for the two different transmission oil pump designs.
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.