Question about 2002 Jeep Grand Cherokee

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How to replace radiator in a 2002 jeep grand cherokee v8

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  • Jeep Master
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WARINING
Do not remove the cylinder block drain plugs or loosen the radiator drain **** with the system hot and under pressure. Serious burns from coolant can occur.

WARNING When removing the radiator or A/C condenser for any reason, note the location of all radiator- to-body and radiator-to-A/C condenser rubber air seals. These are used at the top, bottom and sides of the radiator and A/C condenser. To prevent overheating, these seals must be installed to their original positions.

Removal & Installation:

  1. Disconnect battery negative cable.
  2. Remove radiator pressure cap.
  3. For access to radiator draincock, remove radiator grill mounting screws and remove grill.
  4. Attach one end of a 24 inch long x 1 / 4 inch ID hose to the radiator petcock Put the other end into a clean container. Open petcock and drain radiator.
  5. Detach power steering fluid reservoir from fan shroud and lay aside.
  6. Disconnect electric cooling fan electrical connector, if equipped
  7. Disconnect CRS hose from radiator filler neck and remove from shroud retaining loops.
  8. Remove the four (4) viscous fan/drive assembly nuts from the water pump pulley and remove fan/drive assy.
  9. Remove the four (4) fan shroud to core support mounting screws.
  10. Remove the electric fan (if equipped) and shroud assembly from the vehicle
  11. Remove radiator upper crossmember.
  12. If equipped with air conditioning, separate radiator from condenser by removing condenser-to-radiator mounting brackets.
  13. Disconnect upper and lower radiator hoses.
  14. If equipped, disconnect and plug automatic transmission fluid cooler lines. Quick Connect Fitting Release Tool 6935 may be needed. If equipped with remote transmission cooler, remove line to cooler from bracket at bottom of radiator
  15. Lift radiator straight up and out of engine compartment taking care not to damage fins.
  16. If radiator is to be replaced, be sure to remove and transfer any components not included with replacement radiator.
how to replace radiator - 7479d7e.gif

To install:
  1. The radiator is supplied with two alignment dowels. They are located on the bottom tank and fit into rubber grommets in the radiator lower crossmember.
  2. Lower radiator into engine compartment. Position alignment dowels into rubber grommets in radiator lower crossmember.
  3. If equipped with air conditioning, attach condenser to radiator with mounting brackets
  4. Install radiator upper crossmember and four mounting bolts.
  5. Install radiator upper crossmember-to-isolator nuts. Tighten nuts to 86 inch lbs. (10 Nm) torque. If isolator-to-radiator nuts had been removed, tighten them to 47 inch lbs. (5 Nm).
  6. Connect radiator upper and lower hoses.
  7. If equipped, connect automatic transmission fluid cooler lines. If equipped with remote cooler, attach cooler line to bracket at bottom of radiator.
  8. Install electric fan (if equipped) and shroud assembly. Insert alignment tabs at bottom of fan shroud into slots in bracket at bottom of radiator. Tighten mounting bolts to 31 inch lbs. (3 Nm).
  9. Connect electric cooling fan electrical connector.
  10. Install power steering reservoir to fan shroud.
  11. Install grill.
  12. Connect battery negative cable.
  13. Fill cooling system with correct coolant.
  14. Install pressure cap.
  15. Check and adjust automatic transmission fluid level (if equipped)
  16. Start engine and visually check for leaks.

For more details I suggest review the Service Repair Manual:
- Section-07-Cooling-System-Ewj7 (page 33 and next)
- Section-07a-Cooling-System-Ewj7a

I really hope helped with this (remember rated and comment this help) Good luck.

Posted on Nov 13, 2009

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Posted on Jan 02, 2017

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