C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

problems with my C4 need help!

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Old Nov 6, 2011 | 03:40 PM
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Default problems with my C4 need help!

I got a 1990 Corvette back in April and have loved it, first Corvette and wont be my last, but I have had some problems with injectors since i got it. But now i have a new problem. The other night a friend of mine was moving my car to the garage and she hit a tree root and was stuck on it. Made some horrible scraping noises. She backed it off kinda slow while it was still scraping on rocks and 2 roots. Once she got it off i drove it down the road and it didnt feel right it idles fine but once you put it in gear it starts to shake and make a rattle noise. Also when you drive through the gears its like it wants to pull but backs out a lot causing it to bounce a lot. It sounds really bad too. Anyone have any idea on what it could be and how it could be fixed?
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Old Nov 6, 2011 | 08:29 PM
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Once my son called and said his car was making a funny noise and asked if I knew what it was. I told him to put his cell phone on the hood so I could hear. He did and I told him I was KIDDING because he didn't give me enough information to even guess.

The answer to your question is she could have damaged anything under the car in the path of whatever she hit. You need to look at your car and see if you can discern damage.

Oh yeah, the answer to my son's question was the AC fan. He'd never turned it on before. Mechanically inclined- no.
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Old Nov 7, 2011 | 09:37 AM
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Possibly crunched or kinked the exhaust? As stated, first thing is to get a look under the car.
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Old Nov 7, 2011 | 10:20 AM
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PS... A tree root... Yikes... Keep her in a lil SUV or Subaru...
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Old Nov 7, 2011 | 10:33 AM
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GADZOOKS man ....
sounds like your drive train took a beating on that one.
Possibly U-joint damages from the sounds of it.
I hope that is the worst of your problem.

Last edited by DMheart; Nov 7, 2011 at 10:35 AM. Reason: addendum
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Old Nov 7, 2011 | 10:38 AM
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Call Roto Rooter to remove the roots growing in the exhaust system. If she ran over the roots, what did she do with the tree?
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Old Nov 7, 2011 | 10:57 AM
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Originally Posted by blindman911
she hit a tree root and was stuck on it. Made some horrible scraping noises. Anyone have any idea on what it could be and how it could be fixed?


Call us back after you take her check book to the place you are going to put the car on a lift, and report the results. Pictures would be nice. Of the girl, we know what the Corvette looks like.

Actually, the Corvette too.
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Old Nov 7, 2011 | 05:27 PM
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OP= "BlindMan911"

What a user name!!! LMAO
what is GF Blind??? Sounds like a couple problems.
1.) Could of knocked muffler bearing loose.
2.) Could of bent fuel lines
3.) Kinked exhaust

only way is to jack up and verify damage

Another note guys, Fall is here, good maintanence idea is to change blinker fluid
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Old Nov 7, 2011 | 07:43 PM
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Another note guys, Fall is here, good maintanence idea is to change blinker fluid[/QUOTE]

I always change my blinker fluid in the Spring.
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Old Nov 7, 2011 | 07:50 PM
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Originally Posted by lltrevino
Another note guys, Fall is here, good maintanence idea is to change blinker fluid
You didnt supply the link!

http://kalecoauto.com/index.php?main...&products_id=6
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Old Nov 7, 2011 | 08:00 PM
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all kidding aside, I really feel bad. With the damage done, It appears your car is missing. MAybe a fuel supply issue ( bent or kinked fuel lines) is a possibility. Also you could have some exhaust damage too. When your car is missing, with the accident, could of knocked one of your heatshields loose, and causes the rattle you are hearing while the car is missing. you have to inspect your car for the damage, only way to find out. Their is hundreds of possibilities
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Old Nov 7, 2011 | 09:44 PM
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Originally Posted by HlhnEast
Thanks for the link. I just ordered two of their O Pipes for my dual exhaust car. Looking forward to better gas mileage and no more "drone" at cruising speeds.
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