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J
Thumping noise in heater box...valve or flap not opening?
Is it hard to fix and where do I find a replacement part for it?
J Petty
Post #3
Oct 8, 2011
Forum:
General Discussion
J
Thumping noise in heater box...valve or flap not opening?
Anyone know anything about what could make a thumping noise coming from the heater box area under the dash of a 93 Yukon?
J Petty
Thread
Oct 8, 2011
Replies: 3
Forum:
General Discussion
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