Mitsubishi Car 1999-05

Removal & Installation

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  1. Disconnect the negative battery cable.
  2.  
  3. Drain the cooling system into a suitable container.
  4.  
  5. Detach the overflow tube. Remove the overflow tank if clearance is needed.
  6.  
  7. Disconnect upper and lower radiator hoses. Matchmark the upper radiator hose to assure installation in the proper orientation.

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    Fig. Use pliers to unfasten the upper hose retaining clamp . . .



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    Fig. . . . then disconnect the upper radiator hose



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    Fig. Slide the retaining clamp back on the lower hose . . .



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    Fig. . . . then disconnect the lower hose and position it out of the way

  8.  
  9. Tag and detach the electrical connectors for cooling fan and air conditioning condenser fan, if equipped. Remove the fan assembly from the engine compartment.
  10.  
  11. Disconnect the thermo sensor wires.
  12.  
  13. If equipped with an automatic transaxle, detach and plug the automatic transaxle cooler lines.
  14.  
  15. Remove the upper radiator mounts and lift out the radiator assembly.

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    Fig. Unfasten the radiator upper mount retaining bolts . . .



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    Fig. . . . then remove the upper mounts



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    Fig. Carefully lift the radiator, up and out of the vehicle

  16.  
  17. Service the lower mounts, as required.
  18.  

To install:

  1. Install the radiator and fan assembly, if removed, as an assembly.
  2.  
  3. Attach the automatic transaxle cooler lines, if disconnected.
  4.  
  5. Connect the thermo wires.
  6.  
  7. Install the fan, if removed separately.
  8.  
  9. Install the radiator hoses. Make sure to position the upper radiator hose so the matchmarks made during disassembly are in proper alignment.

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    Fig. During installation, make sure to position the hose to align the matchmarks, and insert far enough to reach the projections

  10.  
  11. Install the overflow tube and reservoir, if removed.
  12.  
  13. Fill the system with coolant.
  14.  
  15. Connect the negative battery cable, run the vehicle until the thermostat opens, fill the radiator completely and check the automatic transaxle fluid level, if equipped.
  16.  
  17. Once the vehicle has cooled, recheck the coolant level.
  18.  

  1. Drain the engine cooling system. Remove the radiator cap and radiator drain plug to ensure the coolant is completely drained.
  2.  
  3. Remove the overflow hose and overflow tank.
  4.  
  5. Disconnect the upper and lower radiator hoses. Matchmark the upper radiator hose to assure installation in the proper orientation.
  6.  
  7. If equipped with an automatic transaxle, disconnect the oil cooler hoses. Place matchmarks on the hose before removal to assure proper installation.
  8.  
  9. Remove the upper radiator supports.
  10.  
  11. Remove the radiator assembly.
  12.  

To install:

  1. Install the radiator assembly and upper radiator supports. Tighten the mounting bolts to 100 inch lbs. (12 Nm).
  2.  
  3. Connect the automatic transaxle oil cooler lines. Tighten the bracket mounting bolt to 44 inch lbs. (5 Nm).
  4.  
  5. Connect the upper and lower radiator hoses.
  6.  
  7. Install the overflow tank. Tighten the mounting bolt to 100 inch lbs. (12 Nm). Connect the overflow hose.
  8.  
  9. Refill the cooling system to the correct level.

    Click image to see an enlarged view

    Fig. Exploded view of the radiator assembly-2000-05 Eclipse

  10.  

  1. Drain the engine cooling system.
  2.  
  3. Remove the radiator overflow hose.
  4.  
  5. Remove the radiator condenser tank assembly.
  6.  
  7. Disconnect the fan control module electrical connector.
  8.  
  9. Remove the upper and lower radiator hoses. Matchmark the hoses to ensure proper installation.
  10.  
  11. Remove the radiator upper mounting bolts and insulators.
  12.  
  13. Remove the air pipe mounting bolt, Evolution models only.
  14.  
  15. Remove the radiator assembly.
  16.  

To install:

  1. Install the radiator assembly. Install the upper mounting bolts with the insulators and tighten to 102 inch lbs. (12 Nm).
  2.  
  3. Evolution models only, install the air pipe mounting bolt and tighten to 102 inch lbs. (12 Nm).
  4.  
  5. Install the upper and lower radiator hoses.
  6.  
  7. Install the radiator condenser tank assembly with the overflow hose.
  8.  
  9. Refill the engine cooling system to the correct level.
  10.  

3.8L Engine



  1. Drain the engine cooling system.
  2.  
  3. Remove the air intake assembly.
  4.  
  5. Remove the radiator overflow hose.
  6.  
  7. Disconnect the upper and lower radiator hoses. Matchmark the hoses to ensure proper installation.
  8.  
  9. Disconnect the automatic transaxle oil cooler hose. After removing the hose from the radiator, plug the hose and the radiator nipple to prevent dust or foreign particles from getting in.
  10.  
  11. Disconnect the fan motor electrical connectors.
  12.  
  13. Remove the hood latch.
  14.  
  15. Remove the front end grill structure bar.
  16.  
  17. Remove the condenser mounting bolts with the upper insulators.
  18.  
  19. Remove the radiator assembly.
  20.  

To install:

  1. Install the radiator assembly.
  2.  
  3. Install the condenser mounting bolts and upper radiator insulators.
  4.  
  5. Install the front end grill structure bar. Tighten the mounting bolts to 16 ft. lbs. (22 Nm).
  6.  
  7. Install the hood latch.
  8.  
  9. Connect the fan motor electrical connectors.
  10.  
  11. Connect the automatic transaxle oil cooler hoses.
  12.  
  13. Aligning the matchmarks, connect the upper and lower radiator hoses.
  14.  
  15. Install the radiator overflow hose.
  16.  
  17. Install the air intake assembly.
  18.  
  19. Refill the cooling system to the correct level.
  20.  

Except Galant 3.8L Engine





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Fig. Use a pair of pliers to remove the hose clamp and . . .



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Fig. . . . then disconnect the overflow hose from the radiator



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Fig. Use pliers to release the hose clamp tension . . .



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Fig. . . . then remove the upper radiator hose from the radiator



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Fig. From underneath the vehicle, remove the hose clamp . . .



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Fig. . . . then disconnect the lower radiator hose



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Fig. Remove the transaxle hose clamp



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Fig. Disconnect the transaxle cooler lines on the passenger side . . .



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Fig. . . . and the cooler lines from underneath the radiator assembly



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Fig. After the transaxle cooler lines are removed, place a plug over the fitting on the radiator to prevent contamination



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Fig. Detach the connectors for the electric fans. The connectors are located on the driver-s side top . . .



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Fig. . . . there is also a connector on the lower passenger side of the radiator



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Fig. Remove the radiator mount bolts . . .



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Fig. . . . then remove the mounts from the radiator and radiator support panel



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Fig. Carefully grasp the radiator and lift it out of the vehicle

  1. Disconnect the negative battery cable.
  2.  
  3. Drain the cooling system when safe.
    CAUTION
    Never open, service or drain the radiator or cooling system when hot; serious burns can occur from the steam and hot coolant. Also, when draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantities. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.

  4.  
  5. Disconnect the overflow tube. Some vehicles may also require removal of the overflow tank.
  6.  
  7. Disconnect upper and lower radiator hoses.
  8.  
  9. Detach the electrical connectors from the cooling fan and air conditioning condenser fan, if equipped.
  10.  
  11. For Mirage and Diamante models, remove the fan assembly.
  12.  
  13. Disconnect the thermo sensor wires.
  14.  
  15. If equipped with an automatic transaxle, disconnect and plug the automatic transaxle cooler lines.
  16.  
  17. Remove the upper radiator mounts and lift out the radiator assembly or radiator/fan assembly, as applicable.
  18.  

To install:

  1. Install the radiator or radiator and fan, if removed as an assembly.
  2.  
  3. Connect the automatic transaxle cooler lines, if disconnected.
  4.  
  5. Connect the thermo sensor wires.
  6.  
  7. Install the fan, if removed separately.
  8.  
  9. Install the radiator hoses.
  10.  
  11. Install the air cleaner support bracket, if removed.
  12.  
  13. Install the overflow tube and reservoir, if removed.
  14.  
  15. Fill the system with coolant.
  16.  
  17. Connect the negative battery cable, run the vehicle until the thermostat opens, fill the radiator completely and check the automatic transaxle fluid level, if equipped.
  18.  
  19. Once the vehicle has cooled, recheck the coolant level.
  20.  

 
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