car repair troubleshooting

1995 PONTIAC TRANS AM
V8 • 2WD • AUTOMATIC
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MESCHELLE
  • MEMBER
  • 2 POSTS
heater bolws cold air but engine over heats
Feb 10, 2011 at 6:55 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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MHPAUTOS
  • CAR REPAIR CONTRIBUTOR
  • 31,937 POSTS
Have the cooling system pressure tested for leaks, the heater often loose coolant and gets an air lock, start here.

mark (mhpautos)
Feb 10, 2011 at 10:18 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
If the thermostat is shut closed it will cause the engine to overheat and no heat-could also be airlock if you're replenishing the coolant and not bleeding it
Feb 10, 2011 at 11:33 AM