Clunk after startup
Thread Starter
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Elder User
Joined: Jun 2003
Posts: 642
Likes: 0
From: Bay Area, CA
Clunk after startup
Has anyone else had a clunk or thud right after they start the truck? I have a 99 and it does it once in a while, its like, Ill start the truck, then a few secondes go by then thud..... Thats it :shrug: This time it was a little louder than regularly. Any ideas of what it could be? Thanks 
Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
thats normal. sure doesnt sound like it though.
try putting the HVAC selector to "off" (the far right ****) on the dash before starting it next time.
i am not too sure on the terminology, but i believe it is the mixer door slamming closed after the truck decides what it needs to do, the vacuum seeps away as the truck is off, and it needs to get back to the position it was when you were last running. sound logical?
try putting the HVAC selector to "off" (the far right ****) on the dash before starting it next time.
i am not too sure on the terminology, but i believe it is the mixer door slamming closed after the truck decides what it needs to do, the vacuum seeps away as the truck is off, and it needs to get back to the position it was when you were last running. sound logical?
