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Car jerks forward when re-pressing in clutch pedal

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Old Feb 15, 2014 | 11:45 PM
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Default Car jerks forward when re-pressing in clutch pedal

Hey guys,

I have a quick issue with my GSR. I know my 2nd gear is completely shot. It only engages when I ram it into second. That is not my issue, but I'm wondering if it might contribute to my problem.

I can put the car into reverse no problem. When I clutch in and slowly release the clutch, it reverses perfectly fine, however, when I re-engage the clutch, it feels like the car jerks forward. Can somebody help me diagnose this issue? Could it have to do with my shot tranny?

Thanks!

Last edited by GreatShamanGT; Feb 16, 2014 at 11:55 AM.
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Old Feb 16, 2014 | 07:57 AM
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Default Re: Car jerks forward when re-pressing in clutch pedal

Originally Posted by GreatShamanGT
Hey guys,

I have a quick issue with my GSR. I know my 2nd gear is completely shot. It only engages when I ram it into second. That is not my issue, but I'm wondering if it might contribute to my problem.

I can put the car into reverse no problem. When I clutch in and slowly release the clutch, it reverses perfectly fine, however, when I re-engage the clutch, it feels like the car jerks forward. Can somebody help me diagnose this issue? Could it have to do with my shot engine?

Thanks!

Tranny needs rebuilding. Sounds like ur gears in ur tranny are worn.
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Old Feb 16, 2014 | 08:21 AM
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Default Re: Car jerks forward when re-pressing in clutch pedal

Thanks! Would that cause my problem? I have an LS transmission ready to go in, but I want to make sure I have all my bases covered

Thanks!
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Old Feb 17, 2014 | 08:14 AM
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Default Re: Car jerks forward when re-pressing in clutch pedal

I bought a new flywheel, clutch, and I have a fresh LS tranny ready to go. Do you guys think this might fix my problem or could it have something to do with my master/slave? This doesn't happen in first gear!
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Old Feb 18, 2014 | 09:35 AM
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Default Re: Car jerks forward when re-pressing in clutch pedal

If it only does it in certain gears and not all of them it's most likely the tranny. If it was the slave it would do it in all gears.
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Old Feb 18, 2014 | 02:07 PM
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Default Re: Car jerks forward when re-pressing in clutch pedal

your second gear might be shot, but have you also checked your engine bushing? all 5?
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Old Feb 18, 2014 | 02:54 PM
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Default Re: Car jerks forward when re-pressing in clutch pedal

You could simply no-clutch shift into second. it's one of the most difficult shifts due to the wide rpm range that the gear could be in.
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Old Feb 18, 2014 | 10:19 PM
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Default Re: Car jerks forward when re-pressing in clutch pedal

I can throw it into second but it won't stick, I have to ram it in to make it stick!

Would bad or missing motor mounts cause my reverse to be so weird?

Im kind of questioning why the car would jerk forward when I pressing down the clutch instead of backwards since Im in reverse gear. Are the gears somehow hitting the reverse gear? Once it warms up I want to tear the tranny apart and look at how the gears connect.

Thanks a lot for all the help guys!! Some very useful advice!
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Old Feb 19, 2014 | 05:10 AM
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Default Re: Car jerks forward when re-pressing in clutch pedal

Originally Posted by GreatShamanGT
I can throw it into second but it won't stick, I have to ram it in to make it stick!

Would bad or missing motor mounts cause my reverse to be so weird?

Im kind of questioning why the car would jerk forward when I pressing down the clutch instead of backwards since Im in reverse gear. Are the gears somehow hitting the reverse gear? Once it warms up I want to tear the tranny apart and look at how the gears connect.

Thanks a lot for all the help guys!! Some very useful advice!
Maybe the reverse cog is slipping out. Reverse is simply an extra cog that meshes with the 1/2 gear shaft. So if that slips out, and your mainshaft goes into the forward gears, then you will go forward.
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Old Feb 19, 2014 | 08:31 AM
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Default Re: Car jerks forward when re-pressing in clutch pedal

okay! Thanks for the information! That was extremely helpful! At this point, I guess I will wait for the weather to warm up and swap out the transmission!

Thanks!
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