TrailBlazer 4WD L6-4.2L VIN S (2002)
8. Remove the cooler lines (3,4) from the radiator.
9. Separate the front and rear cooler lines at the quick connect fitting (2).
10. Remove the cooler lines from the retainer (1) located on the radiator shroud.
11. Remove the front sections of the cooler lines from the vehicle.
12. Remove the rear sections of the cooler lines from the retainer (1) located on the right side of the engine.
13. Remove the clip (2) that holds the cooler lines together.
14. Support the transmission with a transmission jack.
15. Remove the transmission support.
16. Remove the front exhaust pipe assembly.
17. Carefully lower the transmission to gain access to the cooler line fittings.
18. Place a drain pan under the vehicle.
19. Disconnect the oil cooler lines (4) from the transmission.
20. Disconnect the rear oil cooler lines (2) from the front oil cooler lines (1).
21. Remove the oil cooler lines from the vehicle.
Installation Procedure
