Volvo 240/740/760/780/940/960 1990-1998

Radiator

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REMOVAL & INSTALLATION



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

Perform this work only on a cold engine.

  1. Disconnect the negative battery cable.
  2.  
  3. Set the heater control to MAX heat.
  4.  
  5. Remove the expansion tank cap.
  6.  
  7. Place a suitable drain pan into position. Open the cock on the right-hand side of the engine block. Fit a hose to the cock to collect the coolant. Open the radiator draincock.
  8.  
  9. Close the drain cocks when the coolant is completely drained.
  10.  
  11. Remove the cooling fan.
  12.  
  13. Remove the cooling fan shroud.
  14.  
  15. Disconnect the upper and lower radiator hoses
  16.  
  17. On vehicles equipped with automatic transmissions, disconnect the transmission oil cooler lines at the radiator. Plug the lines immediately. Catch the spillage from the radiator in a separate pan.
  18.  
  19. Some vehicles are equipped with a temp sensor on the drivers side top of the radiator, if equipped remove the connector.
  20.  
  21. Remove the radiator retaining bolts and brackets.
  22.  
  23. Remove the radiator assembly from the vehicle.
  24.  

On 850/C70/S70/V70 models, the radiator comes out the bottom of the vehicle.

To install:
  1. Place the radiator into position and install the retaining bolts.
  2.  
  3. On automatic transmission vehicles, connect the oil cooler lines.
  4.  
  5. Install the fan and shroud.
  6.  
  7. Install the lower and upper radiator hoses.
  8.  
  9. Connect the expansion tank hose. Make sure that the overflow hose is clear of the fan and is free of any sharp bends.
  10.  
  11. Fill the cooling system through the expansion tank, with a 50 percent antifreeze, 50 percent water solution.
  12.  
  13. Connect the negative battery cable.
  14.  
  15. Run the engine until normal operating temperature is reached.
  16.  
  17. Bleed the cooling system.
  18.  
  19. Check for leaks.
  20.  
  21. Top up the cooling system, as required.
  22.  
  23. Replace the cap.
  24.  
  25. Check and top up the automatic transmission fluid level.
  26.  



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Fig. Fig. 1: Undo the clamps and remove the radiator hoses



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Fig. Fig. 2: A pair of retaining ring pliers can be used to release the quick-connect fittings on the transmission cooler lines



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Fig. Fig. 3: Remove the line from the radiator; fluid will most likely spill, so placing a pan underneath is advised



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Fig. Fig. 4: Plug the cooler line ...



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Fig. Fig. 5: ... and the cooler fitting on the radiator to prevent contamination



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Fig. Fig. 6: Remove the condenser and radiator upper mounting bolts



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Fig. Fig. 7: The condenser must be supported after the upper mounting bolts are removed (two pieces of rope or tiestraps are helpful)



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Fig. Fig. 8: Remove the lower mounting bolt on the passenger side ...



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Fig. Fig. 9: ... as well as that on the drivers side of the radiator



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Fig. Fig. 10: After the radiator support brackets are removed ...



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Fig. Fig. 11: ... the radiator can be removed. (On some models such as this 850, you remove it from below)

 
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