2001 Pontiac Bonneville Heat works for a while then blows c

2001 PONTIAC BONNEVILLE
114,000 MILES • 6 CYL • FWD • AUTOMATIC
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MRSZIPPY
  • MEMBER
  • 1 POST
Hi,

My Bonneville SSEI is blowing cold air after the heat has been on for 15 to 20 minutes.
Jan 31, 2009 at 9:31 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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JDL
  • CAR REPAIR CONTRIBUTOR
  • 16,098 POSTS
With a warm engine running and the heater turned on, can you feel of the heater hoses, see if they are hot?

A dirty or wet cabin air filter might cause reduced performance?
Feb 3, 2009 at 9:41 AM
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