5 Speed Manual Transmission Clunk - Transmission Forum

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5 Speed Manual Transmission Clunk
Saturday, April 05, 2008 9:44 AM
Manual Transmission will go into gear fine, but when you let the clutch out & go about 1-2 feet, it clunks &

kind of shakes the engine/trans. I have already replaced the lower engine dogbone mount, and included the

upper motor mount insert, so I know it's probably not those. It does this clunk/shake in ALL gears too though.

So I'm almost thinking worn out Transmission Mount Bushings could be a possibily? They do have 104,000

miles on them.

Seems like the clunk comes from the left front area of the car...

Any thoughts or suggestions on how to check the mounts or where else should I be looking at?











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Re: 5 Speed Manual Transmission Clunk
Saturday, April 05, 2008 10:58 AM
Check the mounts. When I wore out a set of poly mounts it did a similar thing.


Re: 5 Speed Manual Transmission Clunk
Sunday, April 06, 2008 7:22 AM
Well, I think I may just replace/upgrade them anyways & see if it helps any.

Thanks for the input Clyde.






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Re: 5 Speed Manual Transmission Clunk
Sunday, April 06, 2008 10:56 AM
I just ordered some Car Customs Front / Rear Transmission Mounts (5 Speed Manual) [CC-0009]

from Karo @ Car Customs.net. So when those arrive, I am going to put those in & see if it corrects

the condition that I am experiencing.

Anyone else experienced this before????










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Re: 5 Speed Manual Transmission Clunk
Monday, April 07, 2008 5:55 AM
I havent, but the mounts are a good place to start. I have 57,000 on my 03' and my mounts are starting to look alittle worse for wear. Jack the car up and look under it. You can check the mounts visually for rips, tears, and dry rot.



Re: 5 Speed Manual Transmission Clunk
Monday, April 07, 2008 10:05 AM
Yeah, I think I am going to check the c/v shafts for play/slop also...

I'll keep this post updated in case anyone else searches for it later in time...





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Re: 5 Speed Manual Transmission Clunk
Monday, April 07, 2008 10:22 PM
Your diff will explode in T minus 10... 9... 8... 7...





13.934 @ 97.82 ALL MOTOR
Re: 5 Speed Manual Transmission Clunk
Tuesday, April 08, 2008 4:35 AM
Cavfan1 wrote:Your diff will explode in T minus 10... 9... 8... 7...


You're probably right. I tried calling you on Sunday I think?







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Re: 5 Speed Manual Transmission Clunk
Tuesday, April 08, 2008 5:28 AM
Kevin Richter wrote:
Cavfan1 wrote:Your diff will explode in T minus 10... 9... 8... 7...


You're probably right. I tried calling you on Sunday I think?
.

Ya, and you didn't pick up your phone around 9pm when I called back .





13.934 @ 97.82 ALL MOTOR
Re: 5 Speed Manual Transmission Clunk
Tuesday, April 08, 2008 6:35 AM
Cavfan1 wrote:
Kevin Richter wrote:
Cavfan1 wrote:Your diff will explode in T minus 10... 9... 8... 7...


You're probably right. I tried calling you on Sunday I think?
.

Ya, and you didn't pick up your phone around 9pm when I called back .


arrrg! My cell or home phone?

Check your PM's...

PS. I found a thread in the Maintenence Forum that almost exactly decribes what I have

http://www.j-body.org/forums/read.php?f=11&i=109415&t=109415





Edited 1 time(s). Last edited Tuesday, April 08, 2008 6:59 AM


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Re: 5 Speed Manual Transmission Clunk
Tuesday, April 08, 2008 2:52 PM
Just buy a new Isuzu, its what i did. Expensive but as far as im concerned it was well worth the cost.



Re: 5 Speed Manual Transmission Clunk
Wednesday, April 09, 2008 5:19 PM


Or get a M86 Getrag.. for 150-300 bucks and be done.

Chris


'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08

Re: 5 Speed Manual Transmission Clunk
Thursday, April 10, 2008 5:24 AM
Taetsch Z-24 wrote:

Or get a M86 Getrag.. for 150-300 300-500 bucks and be done.

Chris


& cables, shifter assembly, & whatever else it needs for the swap. more $$$$

Nah, I'm still considering my options right this moment. All in due time, we shall see...










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Re: 5 Speed Manual Transmission Clunk
Friday, April 11, 2008 10:23 AM
Kevin Richter wrote:
Taetsch Z-24 wrote:

Or get a M86 Getrag.. for 150-300 300-500 bucks and be done.

Chris


& cables, shifter assembly, & whatever else it needs for the swap. more $$$$

Nah, I'm still considering my options right this moment. All in due time, we shall see...


No, the getrag will be pretty easy to bolt in, no need for another shifter assembly, cables etc.

The only modifycations that has to be made (IIRC) is you have to drill out the rear mount, and make a small extension bracket about 1.5 inches on one of the shifter linkages.


1997 Sunfire SE

Re: 5 Speed Manual Transmission Clunk
Friday, April 11, 2008 11:01 AM
Michael Antle wrote:
Kevin Richter wrote:
Taetsch Z-24 wrote:

Or get a M86 Getrag.. for 150-300 300-500 bucks and be done.

Chris


& cables, shifter assembly, & whatever else it needs for the swap. more $$$$

Nah, I'm still considering my options right this moment. All in due time, we shall see...


No, the getrag will be pretty easy to bolt in, no need for another shifter assembly, cables etc.

The only modifycations that has to be made (IIRC) is you have to drill out the rear mount, and make a small extension bracket about 1.5 inches on one of the shifter linkages.


I dunno. If I'm going to do that then I almost would want to swap the engine to an Eco as well.

The aftermarket support is a lot larger for the L61 Ecotec.

I dunno............hate being left in the dust after they quit producing the LD9....as far as the aftermarket

is concerned........









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Re: 5 Speed Manual Transmission Clunk
Friday, April 11, 2008 4:36 PM
Oh and the band wagon grows..........

Chris


'02 Z-24 Supercharged
13.7 @102.45 MPH Third Place, 2007 GMSC Bash SOLD AS OF 01MAR08

Re: 5 Speed Manual Transmission Clunk
Tuesday, April 15, 2008 4:40 PM
One of my really good ASE Certified Mechanic friends is supposed to stop by Wednesday night to look at the car.

I'll keep this post updated.....






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Re: 5 Speed Manual Transmission Clunk
Wednesday, April 16, 2008 9:57 AM
New Front & Rear Prothane Motion Control Transmission Mount Bushings just showed up. Thanks Karo!




New Sway Bar Bushings & Link Kits just showed up from Summit Racing today also. One for the Z24, one for the Sunfire GT.

The Sunfire GT has a broken left front link, so I figured I would just upgrade both cars.



Then I still have the Prothane Motion Control Arm Bushings to install into the Z24 as well.



I Should know more about the condition of the transmission tonight.






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Re: 5 Speed Manual Transmission Clunk
Wednesday, April 16, 2008 8:30 PM
Transmission is SMOKED.

Watch for updates......







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Re: 5 Speed Manual Transmission Clunk
Monday, April 21, 2008 10:32 PM
Thats great, I have the identical car with the identical problem. This should be fun.


96 Cavalier base
2.2l manual
Re: 5 Speed Manual Transmission Clunk
Wednesday, April 30, 2008 5:47 AM
Almost done replacing transmission. Will post some pics soon....






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Re: 5 Speed Manual Transmission Clunk
Wednesday, April 30, 2008 10:16 AM
Let us know what the problem is when you look at the old tranny. If i had to guess a trans problem for this i would say one of the shaft bearings.

But i'd have to drive it to have a better idea.
Re: 5 Speed Manual Transmission Clunk
Friday, May 02, 2008 5:12 AM
I'd say the diff is toast....


1997 Sunfire SE

Re: 5 Speed Manual Transmission Clunk
Saturday, May 03, 2008 7:49 PM
I have yet to get some GOOD pics of the carnage. But I can tell you one thing.

The Magnetic speedometer sensor was covered with a little more than an inch thick of metal shavings.

NOT GOOD



Peeking inside the hole where this sensor sits with a flashlight, I see the spider gear teeth are hacked up & busted to hell.

Might crack it open for some pics before I return it to get my $300 core charge back.







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Re: 5 Speed Manual Transmission Clunk
Monday, May 05, 2008 5:05 PM
lol sounds like my old transmission


THERE CAN BE ONLY ONE, i have already died once and im still here so lets just leave it on the track
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