Question about 1999 Chevrolet Silverado 1500

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Whines in neutral with clutch out and while driving in 4 of 5 gea

What else would cause this in the transmission? I have already replaced the clutch, pressure plate, throwout bearing and pilot bearing.

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  • mimidavis38 Jan 29, 2009

    what exactly is a cushion ring and is it located in the transmission?

  • Anonymous Mar 24, 2014

    changing clutch pilot bearing in getrag standard transmission

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The cushion ring broke

Posted on Jan 29, 2009

  • Nate Stansfield
    Nate Stansfield Jan 30, 2009

    This piston assembly for selectively engaging a friction drive
    establishing device incorporates an annular sheet metal shell which has
    inner and outer rims connected by an intermediate channel portion.
    There is a one-piece elastomeric cushion ring and lip seal unit molded
    directly on the shell adjacent to the outer rim. The cushion ring and
    lip seal are disposed on opposite sides of the shell and are joined by
    connector portions extending through openings therein. As the piston
    assembly strokes in its bore the cushion ring initially engages the
    friction device and deflects to accumulate apply force to cushion the
    subsequent engagement of the piston with the friction device and to
    calibrate the torque capacity of the friction device.

    yes it is inside the tranny. When you hear a tranny whine, that is usually the culprit



  • Nate Stansfield
    Nate Stansfield Jan 30, 2009

    I used to have that problem on my ford. I changed my slave cylinder and clutch and the whining noise stopped.



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1 Answer

Whining noise on Volvo 240 when in neural and park


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A noisy pump is just noisy and won't cause a breakdown until it becomes MUCH louder. If the noise is not that loud at this point, just keep driving it for now, and chalk it up to normal wear & tear. But DOOO make sure your transmission fluid is topped off. The amount of fluid between the LOW and FULL marks is about one pint. DON'T overfill OR allow it to get below the LOW mark. Transmissions are VERY fluid-level-sensitive.

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What's the problem if the car is not shifting? It's just shifting to park, neutral, and drive but not shifting to second gear or higher.. also the speedometer is not working..


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1988 suzuki samurai.when I'm driving down the road the transmission is whining. When I let off gas it stops. I just bought it it's has a new clutch and cable. Don't know if throw out bearing is new.


If it's not whining when you have your foot on the clutch and are stopped, its not the throwout bearing. While driving the throwout bearing isn't being used....
Transmission whine is either in the transmission or differential.

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Transmission makes whining noise in park and neutral. Wont shift into overdrive. And reverse wont work.


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May 04, 2011 | 1999 Chevrolet K1500

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It has a code of PO742. It feels like you are


P0742 Torque Converter Clutch Circuit Stuck On

TSB #00-07-30-007A: Whine Noise in Park or Neutral, Service Engine Soon or Service Vehicle Soon Lamp Illuminates (Replace Drive Sprocket Support Bearing) - (Jan 30, 2002)
Subject: Whine Noise In Park Or Neutral, Service Engine Soon or Service Vehicle Soon Lamp Illuminates (Replace Drive Sprocket Support Bearing)

Models:
1999-2000 Buick LeSabre, Park Avenue/Ultra, Regal, Riviera
1999-2000 Chevrolet Lumina, Monte Carlo, Venture
2000 Chevrolet Impala
1999 Oldsmobile Eighty Eight
1999-2000 Oldsmobile Intrigue, Silhouette
1999-2000 Pontiac Bonneville, Grand Prix, Montana with 3.4L, 3.5L or 3.8L Engine (VINs E, H, K, 1 -- RPOs LA1, LX5, L36, L67)
and Hydra-Matic 4T65-E Transaxle/Transmission (RPOs MN3, MN7, M15)

This bulletin is being revised to add the Chevrolet Impala to the models affected. Please discard Corporate Bulletin Number 00-07-30-007 (Section 07 - Transmission/Transaxle).

Condition

Object

62d0613.gif

(1) Transmission ID Location
(2) SRTA Tag Location
(3) Hydra-Matic 4T65-E SRTA Tag
(4) Model Year (9 = 1999)
(5) Control Number
(6) Transmission
(7) Serial Number
(8) Julian Date
(9) Calendar Year (9 = 1999)
(10) Model
(11) Hydra-Matic 4T65-E ID Tag
(12) Model Year (9 = 1999)
(13) Line Built (1 = Line 1; 2 = Line 2; 3 = Line 3; 4 = Line 4)
(14) Transmission
(15) Julian Date
(16) Shift Built (A = First Shift; B = Second Shift; C = Third Shift)
(17) Model
(18) Serial Number in Base Code 31
(19) W = Warren Plant
(20) Hydra-Matic 4T65-E
(21) Model

Some owners of the above models equipped with a Hydra-Matic 4T65-E transaxle with a Julian Date prior to 0045 may comment on a whine noise in PARK and/or NEUTRAL or a Service Engine Soon or Service Vehicle Soon lamp that is illuminated. Upon investigation, a DTC P0741 or P0742 may be found.

Cause:
The above condition may be due to drive sprocket support bearing fluting and/or bearing failure.

Correction:
Replace the drive sprocket support bearing. Inspect the channel plate and drive sprocket for any abnormal wear, Turbine shaft for cut seals and/or nicks, and chain for excessive play due to failed bearings.

Important:
When installing the new bearing, the part number MUST be visible (facing upward). Before installing the drive sprocket, lubricate the bearing assembly with J 36850 assembly lubricant.

Refer to the 4T65-E Unit Repair Section for the installation procedure.

Service Part Information:
Part Number: 24214158
Description: Drive Sprocket Support Bearing


Parts are currently available from GMSPO.


Its possible that you can use a voltmeter to test for power and ground at the TCC solenoid connector and also resistance across the solenoid. The scan tool is helpful in pulling the codes, commanding the TCC on and off and monitoring the state of command while driving.

Hope help with this (remem,ber comment and rated this).

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2 Answers

Manual Transmission rattling and rough driving.


If the truck was ran low on fluid to the point it clangs and bangs, the internal damage is done.
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1 Answer

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Whining noise is worn gears or low on transmission fluid. It after reading your post, sorry to say but you were low on transmission fluid and your transmission needs to be replaced. You gear box has seized and every time you release the clutch even in neutral will kill your engine. The transmission shaft may have seized on the bearings in the transmission case, regardless you need a new or rebuilt transmission. Good luck friend and sorry for the bad news. Keep me posted. 

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Run the car from the top of a hill and let it coast at your whining speed. Put it in Neutral, does the whine disappear?
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Very unlikely to be the timing belt. If it appears at a fixed speed then its drivetrain, if it whines at fixed revs its the engine.
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