GM Buick/Oldsmobile/Pontiac/Full-Size 1975-1990 Repair Guide

Radiator

Print

REMOVAL & INSTALLATION



See Figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11

  1. Disconnect the negative battery cable and drain the cooling system.
  2.  


CAUTION
When draining the coolant, keep in mind that cats and dogs are attracted by the ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Place a drain pan under the radiator. Disconnect the radiator upper and lower hoses and, if applicable, the transmission coolant lines. Remove the coolant recovery system line, if so equipped.
  2.  
  3. Remove the radiator upper panel if so equipped.
  4.  
  5. If there is a radiator shroud in front of the radiator, the radiator and shroud are removed as an assembly.
  6.  
  7. If there is a fan shroud, remove the shroud attaching screws and let the shroud hang on the fan.
  8.  
  9. Remove the radiator attaching bolts and remove the radiator.
  10.  

To install:
  1. Install the radiator and attaching bolts. Torque the bolts to 15 ft. lbs. (20 Nm).
  2.  
  3. If there is a fan shroud, install the shroud and attaching screws.
  4.  
  5. Install the radiator upper panel if so equipped.
  6.  
  7. Connect the radiator upper and lower hoses and, if applicable, the transmission coolant lines. Connect the coolant recovery system line, if so equipped.
  8.  
  9. Connect the negative battery cable and refill the cooling system with the specified amount of engine coolant. Start the engine and check for coolant and transmission fluid leaks.
  10.  



Click image to see an enlarged view

Fig. Fig. 1: A common coolant recovery tank location



Click image to see an enlarged view

Fig. Fig. 2: Two-piece fan shroud mounting



Click image to see an enlarged view

Fig. Fig. 3: One-piece fan shroud mounting



Click image to see an enlarged view

Fig. Fig. 4: To remove the radiator from the vehicle, the fan shroud must first be removed



Click image to see an enlarged view

Fig. Fig. 5: Two piece fan shrouds also have attaching bolts here



Click image to see an enlarged view

Fig. Fig. 6: Removing the lower shroud attaching bolts



Click image to see an enlarged view

Fig. Fig. 7: Removing the upper half of a two piece shroud from the vehicle



Click image to see an enlarged view

Fig. Fig. 8: Remove the coolant recovery tank hose by sliding the clamp down the hose



Click image to see an enlarged view

Fig. Fig. 9: Be careful not to damage the radiator neck when removing the hose



Click image to see an enlarged view

Fig. Fig. 10: Transmission and oil cooler lines must be disconnected before removing the radiator



Click image to see an enlarged view

Fig. Fig. 11: Removing the radiator from the vehicle

 
label.common.footer.alt.autozoneLogo