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This car is over heating

Tiny
LICOWAY
  • MEMBER
  • 1999 LEXUS GS 300
  • 140 MILES
This car is over heating. The termostart is good, radiator does not leak but water drops at the rear end of undercarriage. The car gets clouded, the water return hose from the engine is not heated during the process. Is my water pump working? What could be the problem?
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Tuesday, November 27th, 2012 AT 5:42 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Does it overheat at highway speeds? Have you flushed the radiator? Is the cooling fan working?
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Tuesday, November 27th, 2012 AT 5:48 PM
Tiny
LICOWAY
  • MEMBER
  • 2 POSTS
I have done all of the above. I have a feeling it is leaking within the heater core. I am going to re-route the line to cut off water supply to the core and see if it continues. It heats up even when am doing 75 mph.
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Saturday, December 1st, 2012 AT 1:42 PM

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