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Home >> GMC >> 1998 >> Forward Control 7.4 B >> Repair and Diagnosis >> External Pages >> Different car >> Section 681 (Engine Cooling System) >> Repair Instructions >> Radiator Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the radiator to the lower mounts.
  2. Lubricate the O-ring seal of the coolant level module with coolant.
  3. Place the snap clip leg in place.
  4. Install the coolant level module.
  5. Connect the electrical connector to the coolant level module.
    Fig 1: Radiator
    G01703902Courtesy of GENERAL MOTORS CORP.
  6. Install the transaxle oil cooler pipes.
    IMPORTANT: Install new retaining rings into the quick connect fittings.
  7. Ensure the following procedures are performed when installing the new retaining ring onto the fitting.
    Fig 2: Transaxle Oil Cooler Pipes
    G01703903Courtesy of GENERAL MOTORS CORP.
  8. Hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting.
    Fig 3: Transaxle Oil Cooler Pipe Fitting Retaining Ring
    G01703904Courtesy of GENERAL MOTORS CORP.
  9. Rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting.
    Fig 4: Positioning Retaining Ring
    G01703905Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT Push the new retaining ring onto the fitting.
  10. Installing the retaining ring on to the fitting this way will bend the retaining ring.
    Fig 5: Incorrect Retaining Ring Installation
    G01703906Courtesy of GENERAL MOTORS CORP.
  11. Ensure that the three retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots.
    Fig 6: Quick Connect Fitting
    G01703907Courtesy of GENERAL MOTORS CORP.
  12. Install the transaxle oil cooler pipes into the radiator quick connect fitting.
    Fig 7: Transaxle Oil Cooler Pipe & Quick Connect Fitting
    G01703908Courtesy of GENERAL MOTORS CORP.
  13. Insert the transaxle oil cooler pipe ends into the quick connect fitting until you hear or feel a click.
    Fig 8: Inserting Oil Cooler Pipe
    G01703909Courtesy of GENERAL MOTORS CORP.
  14. Do not use the plastic cap on the transaxle oil cooler pipe in order to install the transaxle oil cooler pipe into the fitting.
  15. Pull back sharply on the transaxle oil cooler pipe in order to ensure that the transaxle oil cooler pipe is fastened into the quick connect fitting.
    Fig 9: Do Not Manually Depress Retaining Ring
    G01703910Courtesy of GENERAL MOTORS CORP.
  16. Position the plastic cap onto the fitting. Do not manually depress the retaining ring when installing the plastic cap onto the quick connect fitting.
  17. Fully seat the plastic cap against the fitting.
    Fig 10: View Fully Seated Plastic Cap & Fitting
    G01703911Courtesy of GENERAL MOTORS CORP.
  18. Allow no gap between the cap and the fitting.
    Fig 11: Allow No Gap Between Cap & Fitting
    G01703912Courtesy of GENERAL MOTORS CORP.
  19. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting. A hidden yellow identification band indicates proper joint seating.
    NOTE: Do NOT overfill the transaxle. The overfilling of the transaxle causes foaming, loss of fluid, shift complaints, and possible damage to the transaxle.
  20. Adjust the fluid level.
  21. Raise the vehicle.
  22. Install the radiator outlet hose to the radiator.
  23. Use the J 38185  in order to reposition the hose clamp to the radiator outlet hose.
  24. Install the lower air deflector. Refer to Radiator Air Baffle and Deflector Replacement - Lower .
  25. Lower the vehicle.
  26. Install the radiator inlet hose to the radiator.
  27. Use the J 38185  in order to reposition the hose clamp to the radiator inlet hose.
    Fig 12: View Of Yellow Identification Band
    G01703913Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  28. Install the upper radiator brackets and the upper radiator bracket bolts.

    Tighten 

    Tighten the bolts to 24 N.m (18 Ib ft).

    Fig 13: Upper Radiator Brackets & Bolts
    G01703914Courtesy of GENERAL MOTORS CORP.
  29. Install the engine cooling fans. Refer to Cooling Fan Replacement - Electric .
  30. Install the battery. Refer to BATTERY REPLACEMENT .
  31. Fill the cooling system. Refer to Draining and Filling Cooling System .
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