GM Corvette 1963-1982 Repair Guide

Radiator

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REMOVAL & INSTALLATION - 1963-68 Vehicles



See Figures 1 through 9

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Fig. Fig. 1: Big-block and heavy duty small-block engine radiator mounting. Most later models use this type of mounting regardless of whether a heavy duty radiator is used



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Fig. Fig. 2: Standard early model small block radiator mounting



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Fig. Fig. 3: Remove the air cleaner snorkel



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Fig. Fig. 4: Disconnect the fan shroud from the radiator support bracket



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Fig. Fig. 5: Unfasten the retaining bolts ...



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Fig. Fig. 6: ... then remove the radiator support brackets



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Fig. Fig. 7: Disconnect the upper hose from the radiator



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Fig. Fig. 8: Detach the overflow hose from the radiator neck



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Fig. Fig. 9: With the help of an assistant, lift the radiator from the vehicle

  1. Drain the radiator and cylinder block.
  2.  
  3. Remove upper and lower hoses and expansion tank hose.
  4.  
  5. Remove radiator shroud(s).
  6.  
  7. Remove retaining clamps and carefully pull radiator up and out of vehicle.
  8.  
  9. Reverse this procedure to install the radiator. Be sure that the two rubber cushions are correctly seated under the radiator before tightening.
  10.  
  11. Refill the cooling system and check for leaks.
  12.  

1969-74 Vehicles

  1. Drain the radiator.
  2.  
  3. Raise the hood and insert a bolt in the hole of the hood support. Remove the hood.
  4.  
  5. Remove the radiator inlet and outlet hoses and, if applicable, the transmission coolant hoses.
  6.  
  7. If applicable, remove the supply tank hose at the radiator connection.
  8.  
  9. Remove the shroud-to-radiator support bracket screws (the L88 engine does not have a fan shroud).
  10.  
  11. Remove the shroud to radiator baffle bracket screws and let the shroud rest on the fan.
  12.  
  13. Remove the radiator upper support bracket screws and carefully lift the radiator from the car.
  14.  
  15. Install in the reverse order of removal.
  16.  

1975-76 Vehicles

  1. Drain the radiator and disconnect the battery ground cable. Disconnect cooler lines on automatic transmission models.
  2.  
  3. Remove the hood. This is a two person job.
  4.  
  5. Remove the radiator support brackets attached to the fan shroud.
  6.  
  7. Remove the two front hood hinge bolts.
  8.  
  9. From inside the wheel well, remove the six radiator side support bolts.
  10.  
  11. Remove the two bottom radiator support bolts and the center brace.
  12.  
  13. Pull the radiator support forward and use a clamp to retain it to the right hood hinge.
  14.  
  15. Disconnect the two radiator hoses and the overflow hose.
  16.  
  17. Carefully lift the radiator out of the car.
  18.  
  19. If replacing the radiator, remove the shrouds and mount them on the new unit.
  20.  
  21. Installation is the reverse of removal.
  22.  

1977-82 Vehicles

  1. Disconnect the negative battery cable at the battery.
  2.  
  3. Drain the cooling system.
  4.  
  5. If necessary remove the air cleaner snorkel.
  6.  
  7. Raise the front of the vehicle and support it with jackstands.
  8.  
  9. Disconnect the fan shroud from the radiator support bracket.
  10.  
  11. If so equipped, disconnect the automatic transmission cooler lines from the radiator.
  12.  
  13. Remove the radiator support brackets.
  14.  
  15. Disconnect the radiator upper and lower hoses and the overflow tube from the radiator.
  16.  
  17. Remove the radiator, with the help of an assistant.
  18.  
  19. Installation is the reverse of removal. When installing the radiator make sure it is seated in the mounting pads. When replacing the radiator cap make sure the arrows line up with the overflow tube.
  20.  

 
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