Engine cooling system

2002 JEEP GRAND CHEROKEE
335,000 MILES • 6 CYL • 4WD • AUTOMATIC
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DIBEE
  • MEMBER
  • 1 POST
Overheating, thermostat replaced, still overheating. now they want to change water pump. Is it necessary to change the thermostat when it is a water pump problem? and does the whole system parts need to be changed if it is only a problem with one part?
Jun 13, 2017 at 8:08 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
I do not do that if it is a bad water pump that is what gets replaced. some places use that as an excuse for selling more parts and more money.
Jun 13, 2017 at 8:34 AM
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