1991 Pontiac Bonneville Support Question
1991 Pontiac Bonneville Support Question
Find answers below for this question about 1991 Pontiac Bonneville.Question posted by Damien247 on January 5th, 2014
Heater Problems
I'm in 91 Pontiac Bonneville the heater goes in and out and when it does work it doesn't work at full strength
Current Answers
Answer #1: Posted by BusterDoogen on January 5th, 2014 3:23 PM
BusterDoogen
Member since:
October 30th, 2011 Points: 28,565,437
Member since:
October 30th, 2011 Points: 28,565,437
The likely culprit is a malfunctioning thermostat.
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