3L30
REMOVE OR DISCONNECT1. Raise and suitably support vehicle.
2. Four bolts and front skid plate (if equipped.
3. Place a drain pan or suitable container under transmission cooler hoses.
4. Two screws and cooler hoses from cooler hose retainer clamps.
5. Two inlet and outlet hose clamps and transmission cooler hoses from transmission cooler.
6. Two inlet and outlet hose clamps and transmission cooler hoses from inlet and outlet cooler pipes at transmission.
7. Place a drain pan or suitable container under transmission cooler pipes.
8. One bolt and cooler pipe clamp from transmission.
9. Inlet and outlet transmission cooler pipes from transmission by loosening both flare nuts at cooler pipe fittings.
10. Remove drain pan from under vehicle.
Inspect
1. Transmission cooler pipes for kinks or other damage. Replace as necessary.
2. Transmission cooler hoses for leaks or damage. Replace as necessary.
3. Transmission cooler pipe flare nuts for damage. Replace as necessary.
INSTALL OR CONNECT
1. Inlet and outlet transmission cooler pipes to transmission by threading both flare nuts into cooler pipe fittings.
- Tighten cooler pipe flare nuts to 25 Nm (18 ft. lbs.).
2. Cooler pipe clamp from transmission cooler pipe bracket; secure with one bolt.
- Tighten cooler pipe clamp bolt to 23 Nm (17 ft. lbs.).
3. Transmission cooler hoses to inlet and outlet cooler pipes at transmission; secure with two inlet and outlet hose clamps.
4. Transmission cooler hoses to transmission cooler; secure with two inlet and outlet hose clamps.
5. Transmission cooler hoses to cooler hose retainer clamps; secure with two screws.
6. Front skid plate to vehicle; secure with four helm (if equipped).
- Tighten front skid plate bolts to 54 Nm (40 ft. lbs.).
7. Lower vehicle.