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Coolant issues over heating

Tiny
KATHLEEN WOODMAN
  • MEMBER
  • 2004 JEEP LIBERTY
  • 3.7L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 100,000 MILES
First had vehicle and no heat until going fifty mph. Replaced thermostat, water pump, oil pan, serpentine belt, radiator. Some how radiator plug comes out? Replace but now overheating over fifty mph? No leaking fluid, no water in oil, and not losing power on acceleration. Can drive all day in town no problem, get on highway and she overheats! Remove air lock and then drive later and it will overheat when driving over fifty mph! What is going on?
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Sunday, February 19th, 2017 AT 8:15 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
The radiator may be part blocked, get it removed and have a core clean done, doing just a back flush will not do as you may have blocked core tubes restricting flow of coolant.
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Tuesday, February 21st, 2017 AT 12:05 AM

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