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1996 Ford F-150 Loosing coolant

Tiny
MCMNASH
  • MEMBER
  • 1996 FORD F-150
Engine Cooling problem
1996 Ford F150 V8 Two Wheel Drive Automatic 120k miles

Vehicle looses coolant at the rate of about 3 cups per 100 miles. Have replaced water pump, cracked radiator and hoses. No visible drips, runs or pooling of water under vehicle. No water in oil pan. No water anywhere. I noticed that there are water lines running to the throttle body. What is the purpose? Is there possibly a freeze plug somewhere on the intake that could be leaking? Thank you for your response.
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Thursday, September 4th, 2008 AT 7:52 PM

2 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

I would have the cooling system pressure tested first, this may show op a small leak that may otherwise go unnoticed.

Mark (mhpautos)
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Friday, September 5th, 2008 AT 4:06 AM
Tiny
MCMNASH
  • MEMBER
  • 1 POST
The dealer pressure tested the system before replacing the water pump, hoses, etc. They evidently did not find the leak. Thanks for your reply.
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Friday, September 5th, 2008 AT 7:24 AM

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