4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
135,000 miles
Total Complaints:
1 complaints

Most common solutions:

  1. not sure (1 reports)
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problem #1

Nov 172003

(reported on)

Silverado 3500

  • 135,000 miles

the defrost vents are not producing heat and or air. the heat, and other vents function properly, but i can't trace the defrost problem. was wondering if it was a vacuum problem, but don't no where to look. is there a diagram available, or can anyone help!!

- brad, Muskegon, MI, US