Shifting hard

Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's, Olds 98 91-96, Buick Lesabres and Park Avenue 91-96. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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psburtis
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Year and Trim: 1995 Caprice SS
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Shifting hard

Post by psburtis »

Hey everyone,

So, after changing my trans fluid, my car still has trans problems. It seems to be most noticeable when accelerating from a complete, or near complete, stop and only when i depress my go fast pedal more than 15%. It feels like the engine (or something in the drivetrain) is loose and when I depress the go fast pedal it feels like that something is lifting, then when I take my foot off (the more suddenly the more I feel it) it feels like it's dropping back down. could this be a simple engine or trans mount issue? I'm afraid to accelerate any more because I don't want to do any more damage.

If anyone knows what I'm talking about, please help. I'd like to keep my car as long as possible. She only has 224k on her, so she's not ready to retire yet :wink:
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1996 SE - RIP 7/11/12
1995 Caprice SS - Functional Ram Air hood, 373 auburn posi, Bbk 52 mm throttle body, Cold air intake, B&m ratchet shifter, Built tranny, Leather interior, Hyper tech tune
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Bing
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Re: Shifting hard

Post by Bing »

Have you checked the mounts yet?

When was the last time they were replaced?

If not, have a helper with you and put the car into drive and give it a little gas. If the motor is moving up and down a lot then your mounts are bad. Also try it in reverse and see how much movement you're getting.

JUST DON'T GET RUN OVER OR WORSE, STAY TO THE SIDE OF THE CAR WHEN DOING THIS PROCEDURE!
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J Wikoff
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Year and Trim: 1992 SSE
2009 G8 GT
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Re: Shifting hard

Post by J Wikoff »

Get under it and take a look at the rear dogbone mount. Look for signs that it is slipping around in its mount. And if you stand in front, looking down at the front trans mount and rock the car fore/aft, you may be able to see the halves of the mount pull away from each other.
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WHITE WHINE - 1992 SSE Supercharged 236.26 ci (.040 Over) 15.090 at 90.2 MPH on old engine w/ slipping trans & melted O2 sensor - Gen 3 M62 and matching TB, Gen 2 Pully, Zillamotorsports Ported LIM, YT 1.72 Roller Rockers, SII FPR & Injectors, Hypertech Thermomaster chip w/ 160 Thermo, TransGo Shift Kit, Infinity/Pioneer Speakers & a 10" Alpine Type R Sub, all the watts, 140 amp Alternator, Ricepipe CAI w/ heatshield, Pilot Angel Eye Foglights, Clear Corners, '02 17" Chrome Bent 5's, Magnaflow F-Body Muffler and Hi-flo Cat, Ceramic Coated Ported Exhaust Manifolds, Fan Override, Monroe Reflex struts, red calipers
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