1992 Pontiac Bonneville no

1992 PONTIAC BONNEVILLE
Avatar
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 1:11 PM
Advertisement
Avatar
MHPAUTOS
  • CAR REPAIR CONTRIBUTOR
  • 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 7:46 PM
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.