transmission trouble
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Joined: Mar 2010
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transmission trouble
My transmission shifts hard from park to reverse and nuetral to drive.Making the car jump foward .I am around 750 rpm's in park and 550 in drive.I just bough the car and I am not sure if it has a shift kit upgrade.To be honest it doesn't bother me I just don't know if this hard shifting is hard on the diff.
Last edited by bayman; Mar 28, 2010 at 11:54 AM.
Member
Joined: Jan 2010
Posts: 172
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Car: 88Roc Flame Red Black/Gold Pkg
Engine: L98
Transmission: 700R4
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iTrader: (25)
Joined: Jul 2004
Posts: 2,623
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
Re: transmission trouble
I'd say check for excessive play (worn out) on your u-joints on the driveshaft first
Junior Member
Joined: Jan 2009
Posts: 9
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From: New Zealand
Car: 86 IROC
Engine: 305
Transmission: Auto
Re: transmission trouble
I to have this problem, 86 IROC 305TPI. rpm approx 500-600. Trannie mount replaced when having service/flush etc of transmission.
Will check driveshaft next time in shed.
Will check driveshaft next time in shed.
Supreme Member
Joined: Jul 1999
Posts: 3,484
Likes: 56
From: Calimesa, California, U.S.
Re: transmission trouble
The 1982-1986 units did not have the forward accumulator and the cushioned reverse that the 1987 and later units had. Therefore the harsher neutral to drive and reverse engagements.
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