CLUNK!! Help please!
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New User
Joined: Dec 2006
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CLUNK!! Help please!
Hey everyone.
Heres my problem is this...when I start the engine (6.8 V10) there is about 5 seconds then a clunk. I think it might have something to do with the A/C.
If anyone has any ideas I'd appreciate it. Thanks
Heres my problem is this...when I start the engine (6.8 V10) there is about 5 seconds then a clunk. I think it might have something to do with the A/C.
If anyone has any ideas I'd appreciate it. Thanks
Hotshot
Joined: Dec 2006
Posts: 14,069
Likes: 17
From: Melbourne, Ky
Is the A/C turned on when you start it? If the defrost is turned on when you start it, the A/C compressor will start as if you have the air conditioner turned on too. Make sure both of those are turned off, then start it up. If the sound goes away, then you have found the problem. Having said that, you really shouldn't be hearing the A/C clutch engage. In fact, the A/C clutch usually engages and disengages constantly, and you really shouldn't hear it. Could it be the fan clutch?
Elder User
Joined: Apr 2006
Posts: 688
Likes: 0
From: Elk Point; Alberta
mine does this thing but only occasionally and you have to put it in gear and start to move --- you having the same issue?? --- I haven't found the source yet but have ruled out ball joints; a/c comp.; fan; and tranny 
Senior User
Joined: Jul 2003
Posts: 235
Likes: 1
From: Florida
Yep... I have the same sound occasionally. Not all the time, but it may have something to do with the weather or temperature.
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Ha..yes it does scare you and you think someone has ran into you. I once thought this nice family had ran into my X with a shopping cart. Luckily, i'm not to hot headed and inspected the truck before going off the handle. I'll check all these things and get back with my details. Thanks guys and gals.
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