Prospeeder Posted September 7, 2007 Share Posted September 7, 2007 Its a 1987 GL-10 SPFI 5 speed 2WD. And it has a problem. When your going down the road, usually above 30, u press in the clutch, and a THUD THUD THUD THUD THUD happends. And when you push the gas when driving along it pops/clunks like somthings broken or lose and shifting under the passengerside floorboard, and when you let off it does the same thing. What could it be?? No popping or clicking around corners, no obvious broken things, could the transmission mount be no good? or the axle? Link to comment Share on other sites More sharing options...
hatchsub Posted September 7, 2007 Share Posted September 7, 2007 If it was just the pushing in the clutch part i would assume it would be the throw out bearing gone bad. That could make a horrendous noise if its shot. As for the driving along im not sure. If your clutch cable is too tight than maybe the throw out bearing is riding on the fingers and causeing that noise. Just a shot in the dark. Link to comment Share on other sites More sharing options...
Caboobaroo Posted September 8, 2007 Share Posted September 8, 2007 Get under it and grab the tailshaft housing (or where the driveshaft for a 4wd would come out) and see how much the tranny moves when you wrench it around. It sounds like the tranny mount is shot causing the tranny to hit the tunnel. Link to comment Share on other sites More sharing options...
86BRATMAN Posted September 8, 2007 Share Posted September 8, 2007 Its a 1987 GL-10 SPFI 5 speed 2WD. I'm gonna have to say its not the tailshaft:rolleyes: Link to comment Share on other sites More sharing options...
The Dude Abides Posted September 8, 2007 Share Posted September 8, 2007 I'm gonna have to say its not the tailshaft:rolleyes: thats one of those pay attention to the detail things. i do it to Ben Link to comment Share on other sites More sharing options...
Gloyale Posted September 8, 2007 Share Posted September 8, 2007 I'm gonna have to say its not the tailshaft:rolleyes: even without A driveshaft back there, the rear Trans mounts could be bad or loose, and shifting around making noise. But good catch, I laughed hard. Link to comment Share on other sites More sharing options...
Prospeeder Posted September 8, 2007 Author Share Posted September 8, 2007 Ok im gonna throw it on a lift and see if the mounts are no good. I readjusted the cable looser, and the clutch itself operated much better, but it still makes that THUD THUD THUD THUD when you press in the clutch going 30+ mph. Link to comment Share on other sites More sharing options...
hatchsub Posted September 8, 2007 Share Posted September 8, 2007 Something tells me rather than being speed related its RPM related. Rev the engine up to around 3000 or whatever RPM that you usually shift at and depress the clutch in neutral. If you hear the noise without the car moving and only with you pushing in the clutch you know that its the throw out bearing. Link to comment Share on other sites More sharing options...
Prospeeder Posted September 9, 2007 Author Share Posted September 9, 2007 How many transmission mounts are there? what are they suppose to look like as far as knowing thier in bad condition? same with the motor mounts, where exactly is the motor mounts on EA82 cars? Link to comment Share on other sites More sharing options...
hatchsub Posted September 9, 2007 Share Posted September 9, 2007 There are two tranny mounts and two motor mounts. The tranny mounts are on either side of the transmission and are between the tranny and the crossmember. They are rubber and if they are bad will be dried out and ripped. The motor mounts are the same. They are on either side of the engine between the engine and the crossmember. Link to comment Share on other sites More sharing options...
Caboobaroo Posted September 9, 2007 Share Posted September 9, 2007 I'm gonna have to say its not the tailshaft:rolleyes: Get under it and grab the tailshaft housing (or where the driveshaft for a 4wd would come out) What I was meaning was the back of the tranny, where the driveshaft for a 4wd rig would come out. I know he know's where it is cause he had a 4wd RX;) Link to comment Share on other sites More sharing options...
Sonicfrog Posted September 10, 2007 Share Posted September 10, 2007 Red, the $300 Alpine Legacy, had a broken pressure spring on the clutch. I don't know what sound that made since the car didn't run when I bought it and I replaced the clutch when I dropped the new engine in, but that COULD make that noise. Link to comment Share on other sites More sharing options...
Prospeeder Posted September 11, 2007 Author Share Posted September 11, 2007 Well i found a broken exhaust hanger, wich i removed hoping it would be the clunking, thats a no. The motor and transmission mounts look just fine, and i grabbed the end of the transmission and it doesnt move much. Im seeing a ripped PS rack boot and CV joint on the passenger side, also all of the bushings for various suspension parts are toast. Link to comment Share on other sites More sharing options...
Caboobaroo Posted September 11, 2007 Share Posted September 11, 2007 Well i found a broken exhaust hanger, wich i removed hoping it would be the clunking, thats a no. The motor and transmission mounts look just fine, and i grabbed the end of the transmission and it doesnt move much. Im seeing a ripped PS rack boot and CV joint on the passenger side, also all of the bushings for various suspension parts are toast. I do have a complete passenger side suspension and axle here at my place. Fairly new axle (23 spline) and newer strut (Gabriel IIRC). Come get them out of my garage and you can have them! Link to comment Share on other sites More sharing options...
Prospeeder Posted September 12, 2007 Author Share Posted September 12, 2007 Hey, this is wierd, this car isnt an 87, its an 85! its got SPFI!? The engines definatly original, and the stickers on the car all say 1985, and the hood has the factory stickers with the FI info and vacuum routing. I thought they only came fuel injected in 87!? it had the old style flapper door style MAF Link to comment Share on other sites More sharing options...
Caboobaroo Posted September 13, 2007 Share Posted September 13, 2007 Yeah GL-10s could come with various drivetrain setups but mostly came with a EA82T under the hood. I have seen a SPFI 2wd 5-speed GL-10 wagon before. Oh and if you need those parts, lemme know... just collecting dust Link to comment Share on other sites More sharing options...
subytur1987 Posted September 13, 2007 Share Posted September 13, 2007 you mite want to check both left and right half shafts for a binding cv joint or torn or leaky boot. if you can or have access to a lift get someone to drive it and watch for the halfshafts to move out of round when they move. check all engine and trans mounts, a bad or worn one will cause a halfshaft to fail or move to much. Link to comment Share on other sites More sharing options...
Prospeeder Posted September 13, 2007 Author Share Posted September 13, 2007 The passenger side axle just stipped itself out, lol, that musta been the issue. Link to comment Share on other sites More sharing options...
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