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10-26-2006, 09:48 AM
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#1 | | TECH Junkie
Join Date: May 2005 Location: in your closet
Posts: 3,670
|  car stuck in 4th gear @ 115 mph!
i was running it and it just locked itself into gear. i had to drive it home in 4th gear which sucked at each stop light. then i get 2 blocks from the house and it decided to free up and i was able to move it thru all of the gears fine. the pedal feels a tad softer imo but i could be paranoid. the slave is only 10k old and so is the mcleod clutch and master cylinder. the fluid is pretty black though so maybe it just broke down and boiled up? the resevior is still full so its not leaking out. clutch engagement has seemed to be a bit closer to the floor over the past week also. any ideas on whats wrong?
__________________ 99 SS M6 416 LS3 / TFS 215'S / FAST 90/90 / DANA 60 522 RWHP/ 478 RWTQ 727 RWHP/ 688 RWTQ on the nitrous  www.fquick.com/ls2bait | 
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10-26-2006, 10:01 AM
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#2 | | TECH Regular
Join Date: Sep 2005
Posts: 448
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mine did the exaxt same thing when i was at the track except it did it in 2nd gear and then the next day it came loose | |
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10-26-2006, 10:02 AM
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#3 | | Moderation Station
Join Date: Nov 2004 Location: Fort Worth, Texas
Posts: 12,870
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1. Bent shift fork
2. Synchro is probably trash along with the blocker. | |
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10-26-2006, 10:19 AM
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#4 | | Launching!
Join Date: Jul 2005 Location: Bay Area CA
Posts: 246
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+1 same thing happened to me. it was the slider. rebuild time.
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Appearance: Black on black, RK Sport GFX, Stull Billet Grill, HIDs, and "some beat" Performance: Lid, SSRA, QTEC, SLP DD, 160* stat, LS7 Clutch, LS2 Aluminum Flywheel, LSS, SLP SFCs, Global West PHR & LCAs, SLP Bilstein Hi Perf Susp., Strano 35mm sway, Turn1 P/S Pump, Nitto R's all around. 321 hp,340 ft/lbs torque w/ only lid and cutout.
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10-27-2006, 02:51 PM
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#5 | | TECH Junkie
Join Date: May 2005 Location: in your closet
Posts: 3,670
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im not wanting to hear that shit! any chance the fluid just broke down? it seems to be ok now that its cooled down and im not beating on it.
__________________ 99 SS M6 416 LS3 / TFS 215'S / FAST 90/90 / DANA 60 522 RWHP/ 478 RWTQ 727 RWHP/ 688 RWTQ on the nitrous www.fquick.com/ls2bait | |
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10-27-2006, 02:58 PM
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#6 | | TECH Regular
Join Date: May 2002 Location: Tulsa
Posts: 471
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same thing happened to me in my WS6...sorry bud rebuild time. you can drive it and not beat on it but it will get stuck again. mine got stuck 3 times. also think about it like this, if something broke then there is junk floating around in your tranny.
__________________ 2002 WS6 #203 M6 white (gone)
ET::12.38@110 with 332rwhp 344rwtq 
2002 Z28 M6 red
cam only and a litte juice
12 bolt 4:30s still slow with 540rwhp and 616rwtq | |
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10-29-2006, 07:33 AM
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#7 | | Teching In
Join Date: May 2004
Posts: 37
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1 of the 3 detent keys snapped, you probably will be able to drive it just fine unless the others break. | |
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10-29-2006, 10:51 AM
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#8 | | 11 Second Club
Join Date: Nov 2003 Location: Plainfield, CT
Posts: 9,823
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Clutch welded to the flywheel, then broke free. New clutch time.
__________________ 2000 SS M6, Kooks Headers w/Magnaflow cats & y-pipe, Magnaflow Cat-Back, SLP Lid, TSP ported TB, Ported FAST 78 Intake, Spec 3F w/ billet flywheel, 4.10's, UMI DS Loop, panhard rod, LCA's, BMR STB, Adj TQ Arm, Tubular SFC's, Rear QA1's, TR 224, AFR 205's milled .030, Double roller timming chain, SLP pulley, built T56, LS1 Edit by Slowhawk http://www.slowhawkperformance.com/ | |
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10-29-2006, 03:10 PM
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#9 | | Teching In
Join Date: May 2006
Posts: 3
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If the clutch was welded to the flywheel, he would be able to drive it home and take off from stop signs. | |
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10-29-2006, 10:05 PM
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#10 | | Teching In
Join Date: May 2004
Posts: 37
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I am quite confident with my conclusion, this on the other hand makes no sense. When the detect keys snap as they shift into the gear they get lodged between the slider and the broached hub but if the broken key falls down into the bottom of the transmission then you can shift fine again. I have personally driven a transmission for tens of thousands of miles which I never knew had a broken key on the 3/4 so I would say if it doesn't act up then continue to drive until it either doesn't hold in gear or gets stuck for good. You will most likely find the pieces in the magnet on the tailhousing... Quote: |
Originally Posted by davered00ss Clutch welded to the flywheel, then broke free. New clutch time. | | |
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10-30-2006, 07:45 PM
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#11 | | TECH Junkie
Join Date: May 2005 Location: in your closet
Posts: 3,670
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i drained the fluid and nothing fell out and no metal in the fluid so thats a good sign. the car is driving fine now normal but im scared to give it hell again incase it gets stuck.
__________________ 99 SS M6 416 LS3 / TFS 215'S / FAST 90/90 / DANA 60 522 RWHP/ 478 RWTQ 727 RWHP/ 688 RWTQ on the nitrous www.fquick.com/ls2bait | |
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10-30-2006, 09:56 PM
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#12 | | TECH Enthusiast
Join Date: May 2005 Location: Brentwood CA
Posts: 535
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I would say time for a rebuild.
__________________ 00 Camaro SS
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10-30-2006, 11:25 PM
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#13 | | Teching In
Join Date: Jan 2006 Location: OKLAHOMA
Posts: 7
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10-31-2006, 04:56 PM
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#14 | | TECH Regular
Join Date: Feb 2005 Location: Houston, TX
Posts: 477
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Mine did the same thing and eventually it progressed into not being able to go into 4th at all! It just grinded and if i did go in, it got stuck so bad it was almost impossible to get it out. I also wasn't able to go into 3rd. It was probably a bent shift fork and some messed up syncros. Its getting rebuilt at the moment, I can let you know what he all had to do when it gets done here in a couple days. | 
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10-31-2006, 10:39 PM
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#15 | | 12 Second Club
Join Date: Jan 2005 Location: Salinas, Ca
Posts: 925
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Quote: |
Originally Posted by nvmy2000ss I would say time for a rebuild. | +1 Btw the PRo 5.0 stop bolts prevented my tranny to get any worse, if u have no stop bolts on stock hurst u slam gears hard enought it can mess things up.. thats what heppen to my buddies.
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1999 Camaro Z28 M6- PRC 5.3L 2.5's|TSP TorquerV3 231/234 643/598 111|SLP Lid|PRO 5.0(LSS)|FTRA|315 BFG DR's||QTP LT Headers HVMC|Magnaflow Cat-Back|Bilstein/ProKit| LC Brackets|Ls6 Manifold| TNT F1 Kit|Walbro 255|UMI|ARP Studs|Powerbond|Spec 3+|TR6|FAST 36lb| | |
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11-02-2006, 12:58 PM
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#16 | | TECH Fanatic
Join Date: Jul 2002 Location: MI
Posts: 1,204
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Quote: |
Originally Posted by davered00ss Clutch welded to the flywheel, then broke free. New clutch time. | Wow this has to be the DUMBEST post of misinformation I've seen in awhile.
Re-read your statement, cross examine it with the guy's post and REALLY think about it hard. 
The main reason you can't take info over the net...everyone talks out their ass. | |
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11-04-2006, 07:31 AM
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#17 | | LS1TECH Sponsor
Join Date: Mar 2003 Location: Columbia City, Indiana
Posts: 10,858
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I agree that it is one of the keys. The stock ones are hollow and bend, which happened to my Z28 at Norwalk several years ago. Give Rodney at RPM Transmissions a call. Bob
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11-04-2006, 08:46 AM
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#18 | | TECH Junkie
Join Date: Sep 2004 Location: Fort Myers, FL.
Posts: 3,361
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Dam Tommy, I though I was pissed with my hydrolics in my clutch, but it could be worse.
If you need it rebuilt, there is a great guy in Tampa that will stand behind his work and you wouldn't have to ship.
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2001 WS.6 M6 black on Black. ASC# 4231
Tv2 cam, stage 2.5 ls6 heads, Moser 12 bolt and some juice
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04-27-2007, 03:24 PM
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#19 | | On The Tree
Join Date: May 2005 Location: Salinas, Ca
Posts: 112
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Quote: |
Originally Posted by BuBbABFP +1 Btw the PRo 5.0 stop bolts prevented my tranny to get any worse, if u have no stop bolts on stock hurst u slam gears hard enought it can mess things up.. thats what heppen to my buddies. | yup. I was racing an SRT8 when I pulled it into 4th gear as hard as I could.... well... that was it. It got stuck. I had the tranny rebuilt. The sliders broke and it was a bent fork and fucked up syncro.
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04-27-2007, 03:35 PM
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#20 | | 11 Second Club
Join Date: Jul 2005 Location: Ogden, Utah
Posts: 1,249
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rebuild time... mine stuck in 4th on the way home one day... drove fine for 3 months until finally 3rd gears started grinding on downshifts... then finally started grinding on upshifts... then finally couldnt use 3rd or 4th gears because 4th stuck and 3rd would just grind to high hell..
ended up costing me an extra 600 bux to buy new gears and slider assemblies because everything got trashed from driving on it...
stop driving before you suck the broken parts through your gears and totally dick stuff up.. www.sixspeeds.com ='s the shit.. amber and joe are amazing to deal with | |
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