1992 Pontiac Bonneville no

1992 PONTIAC BONNEVILLE

DEANN233819

MEMBER
1 POST

Heater problem
1992 Pontiac Bonneville 6 cyl Four Wheel Drive 177758 miles

I just put a thermostat in and still no heat. Still blowing out cold air. What do i do next.

Nov 21, 2008 at 5:11 AM

MHPAUTOS

✓Experienced Mechanic
31,937 POSTS

Hi there,

With the engine at temp, and the heater on, check the two heater hoses going into the cabin, if no both hot to touch, the heater tap is not on or the core is blocked, try and see if you can flush the core to prove circulation, start here.

Mark (mhpautos)

Nov 21, 2008 at 11:46 AM

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Frequently Asked Problems for This Vehicle

Engine won't start
Engine stalls while driving