1991 Gmc Suburban Lost Heat Fan Works Fluid Full Checked Two 25amp Fuses Marked

1991 GMC SUBURBAN
126,000 MILES
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Lost heat.Fan works,fluid full,checked two 25amp fuses marked htr,heater core not leaking.Have new thermostate & housing-not leaking.One week ago had to start motor with start mode on my charger.Lost heat & temp. gauge quit working.Only time trouble starting & no problem after,but seemed completly dead at time. Not even a click noise.Did I burn my heat sensor or is there another fuse to check?
Jan 13, 2013 at 5:55 AM
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ASEMASTER6371
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low coolant, bad thermostat, clogged heater core, blend door issue or blown head gasket are some of the reason s for no heat.

Roy
Jan 13, 2013 at 1:53 PM
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