C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Jul 9, 2013 | 08:06 PM
  #1  
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From: tenino washington
Default Please help!!!

HELPPPPP!!! im am wore out. was doing the rear brakes on my 68 327 turbo 400.car.and wile tighting a bolt on the rear axcel wile in park and on jack stands. something gave. the rear axcel stared turning. oh crap was my responce. so i got in the car and fired it up wile it was still on stands. no tires on the rear. it started in park but made an loud, no a LOUD!! grinding sound. i put it in all the other gears. no grinding sound. so today i droped the trans pan and took a look at the pawl and the gear it locks into they do not look bad. pawl looks realy good, yet wile on stands and me pushing up on the pawl to make sure it holds gear inplace. i can still roll the tires with my foot. and thoughts. sencerly tired,deflated and plum wore out.

Last edited by PONYUP; Jul 9, 2013 at 08:09 PM.
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Old Jul 9, 2013 | 10:08 PM
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From: Irma Northern WI
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I hate to point out the obvious but, How can you see the parking pawl from a pan removal? I only see a valve body when I remove the pan. That being said. You should not run your car on jack stands as the U-joints are hyper extended, that does them no good. You may not have had the pawl set in its home or you have one bad slot in the hub that captures the pawl. That is about all I can say but, don't worry, put it together and see what develops going forward.
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Old Jul 9, 2013 | 10:15 PM
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Any metal in the trans pan? Follow the rod that runs down the left side of the trans and make sure the 2 bolts that hold the guide for the parking pawl are tight. With a light, you can look and see if the pawl is engaging the ring on the rear planetary that locks it into park. It's right above (looking up from the bottom) the guide plate.
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Old Jul 9, 2013 | 10:29 PM
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One wheel will rotate even with it in park with the wheels off the ground. Its just turning the spider gears and the clutches if posi equipped.

Put it on the ground and drive it.
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Old Jul 10, 2013 | 11:59 AM
  #5  
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From: tenino washington
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thank guys. I have always been a car guy. but this is my first vent. many lessons yet to learn.
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Old Jul 10, 2013 | 01:50 PM
  #6  
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Originally Posted by PONYUP
...I have always been a car guy...
Have you told your parents?
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Old Jul 10, 2013 | 02:41 PM
  #7  
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From: tenino washington
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Originally Posted by Easy Mike
Have you told your parents?
Sorry haven't spoke to my parents in 30 years
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Old Jul 10, 2013 | 08:17 PM
  #8  
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From: Bridgewater nj
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That nasty grinding noise was the back wheels still spinning when you put it in park we've all done it but most of us did it when we where teenagers

Come on here before your next project and blow it by the guys! I do it and I've been building cars for 30 years
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Old Jul 10, 2013 | 08:23 PM
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From: Bridgewater nj
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Also ponyup, it would be a good idea to list where you live (town/ state) in your profile. Many guys, myself included will alway lend a hand and there's always someone on here near by
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