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1986 Pontiac Firebird runs hot

Tiny
CAPS759
  • MEMBER
  • 1986 PONTIAC FIREBIRD
  • V8
  • 2WD
  • AUTOMATIC
  • 6,000 MILES
I have a 1986 trans am 5.0 high out put. It useally runs at 220 but sometimes it red lines after an hour or 1 1/2. The radiator flows ok. I added a second electric fan that seem to help some. Can you please give me some ideas what to do to solve this problem?
Thank You
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Tuesday, June 17th, 2008 AT 5:43 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
If flow is good. Check thermostat, coolant level, and if system is airbound, Many times on cars this old, the impellers on the water pump are disolved, and yours may be partially gone.
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Tuesday, June 17th, 2008 AT 5:47 PM

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