overheating and blowing cold air

1991 NISSAN NX
144,000 MILES • 4 CYL • FWD • MANUAL
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DRIZZN
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heater blowing cold air in my 1991 nissan nx 1600
Dec 13, 2010 at 3:44 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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RASMATAZ
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Replace the thermostat and see what happens
Dec 13, 2010 at 3:47 AM
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DRIZZN
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  • 2 POSTS
i already did
Dec 13, 2010 at 3:49 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Check the water pump and radiator if its clogged if both okay could be airlock try bleeding it-don't work get it block and pressure tested-
Dec 13, 2010 at 3:45 PM