1999 Isuzu Trooper Radiator not taking coolant back from re

Tiny
BRINBULL
  • MEMBER
  • 1999 ISUZU TROOPER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,600 MILES
I had my radiator changed approx. 2 years ago. Since then the coolant will go into the reservoir and not return to the radiator. I have had it checked several times, had hoses replaced, pressure tested, etc. The only problem found are some pin holes in the top of the radiator. I have a vented cap now, so I can pull coolant out of the reservoir and put it back in the radiator. The coolant level in the radiator drops about 2 inches in a 100 miles. Any advice?
Sunday, February 7th, 2010 AT 2:16 AM

1 Reply

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

You must ensue that the cooling system is sound with NO leaks, and that the pressure cap holds pressure, and the vacuum valve is working, if in doubt get a new cap,

mark (mhpautos)
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Sunday, February 7th, 2010 AT 6:41 AM

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