What's that sound?, Newbie requiring your expertise |
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What's that sound?, Newbie requiring your expertise |
Germancar-Junkie |
Mar 5 2012, 08:04 AM
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#1
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Man pedals aren't just for men Group: Members Posts: 51 Joined: 14-January 12 From: Weekdays, MD - Weekends, WV Member No.: 14,004 Region Association: MidAtlantic Region |
I finally got my most recent purchase up on the "big jackstand" and checked out the structural bits. There is some damage. Like it ran over a median or 10 ton bouder, but I can fix that.
The damage to the underside included tweaking the engine tins (both horizontal and vertical) about an inch up and an inch left on the driver's side. So the engine may have / must have taken a hit too. My biggest concern is the "clacking" sound the engine makes. I started it up just fine. It idled fine for the 20 seconds I was willing to let it run with all that racket going on. Then I shut it off and started running through the possibilities. Needless to say, most of them are not good. Gerbil with a jackhammer was the first one to come to mind. Just kidding. My question is, where should I start to try to find the source of this sound? Thanks, Dawn |
mepstein |
Mar 5 2012, 09:36 AM
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#2
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914-6 GT in waiting Group: Members Posts: 19,316 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region |
Dawn - With the engine turned off, stick your hand down between the firewall and engine and see if something fell into the fan. I know the noise was not there when we drove the car onto the uhaul from the prior owner but I remember hearing a rattle when I started it at home. Something loose could have fallen into that area during the trip. Mark
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Germancar-Junkie |
Mar 5 2012, 09:59 AM
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#3
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Man pedals aren't just for men Group: Members Posts: 51 Joined: 14-January 12 From: Weekdays, MD - Weekends, WV Member No.: 14,004 Region Association: MidAtlantic Region |
Dawn - With the engine turned off, stick your hand down between the firewall and engine and see if something fell into the fan. I know the noise was not there when we drove the car onto the uhaul from the prior owner but I remember hearing a rattle when I started it at home. Something loose could have fallen into that area during the trip. Mark No worries, Mark. (IMG:style_emoticons/default/smile.gif) I wasn't sure how much clearance there was in that area to allow a hand to reach. I personally thought something in the fan could be the case, but was advised by the Chevy guys in the garage that the sound was "inside" the engine. I do think I will explore the fan area first. To me it sounded like it was echoing. So I wasn't sure if it was the engine bay acoustics or something tapping on metal. If anyone wants to chime in... just for future reference, Do I need to drop the engine to properly inspect/adjust the valves? Thanks again, Dawn |
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