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manual transmissions issues

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Offline toofaroffroad

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manual transmissions issues
« on: October 26, 2007, 11:29:15 PM »
I've got a 99 manual 5-speed tracker. The truck is running great except my transmission is loud. Even after I changed the transmission oil it's got a loud sound to it. The sounds totally goes away when the clutch is pushed in. My question is: how will I know when it's really serious...when it's too late?
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nprecon

Re: manual transmissions issues
« Reply #1 on: October 27, 2007, 08:34:13 AM »
R you sure this isn't a throwout bearing getting worn?
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Offline toofaroffroad

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Re: manual transmissions issues
« Reply #2 on: October 27, 2007, 01:25:45 PM »
no I'm sure sure, how would I determine that?
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Offline JDMCRX

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Re: manual transmissions issues
« Reply #3 on: October 30, 2007, 09:25:33 AM »
Main shaft bearings are going bad. Slap some lucas in there for a try. Reason these go is people leave the trucks idle too long and the bearings run dry. Make sure if its cold just to back the truck up a foot or so then back up this will splash some oil on the gears and bearings
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nprecon

Re: manual transmissions issues
« Reply #4 on: October 31, 2007, 03:59:12 PM »
How many miles are on your beast?  and have you had a clutch and pressure plate swapped out yet?  I you have 150K+  on it and still running the original clutch, it's time for one of them to start acting up.   Interstate miles don't these parts up too much... because you aren't taking pressure off and on alot.  But if you drive in town alot AND beat teh hell out of it ontrails, the parts eventually throw in the towel.
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Offline r3cc0s

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Re: manual transmissions issues
« Reply #5 on: November 27, 2010, 09:11:31 AM »
I know this is an old thread but it got no closure...

looks like there are other thread regarding the re-building of the transmission syncros & bearing... but my truck kinda I'd say, just started making these noises where when you pop the clutch it goes away...

First off, is this bearing related or clutch? If its bearing, maybe I'll just see if I can find another trans...

My clutch was replaced and I'm not sure I want to bother with tearing apart the transmission (or might but just keep it as a spare)

Does lucas work?
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03' 2.0L CAMI Tracker w/ 1.5" Front Spacers, 2" Rear Spacers, 1 & 1/4" poly-rubber rear spacer w/ hose clamps, Monroe Crown Vic interceptor rear shocks,1/4" bumpstop extenders, 1.5" strut Extenders, removal of sway bar and strut bar + plenty of cutting for 245/75/16 Goodyear MTRs
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Offline AJMBLAZER

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Re: manual transmissions issues
« Reply #6 on: November 27, 2010, 09:03:59 PM »
One thing I noticed...do you have the proper fluid in it?

GM specs Synchromesh.  75w90 IS NOT RIGHT and Synchromesh is much "thinner".
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Offline r3cc0s

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Re: manual transmissions issues
« Reply #7 on: November 27, 2010, 11:02:56 PM »
What gear oil do you think is the right weight then?
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03' 2.0L CAMI Tracker w/ 1.5" Front Spacers, 2" Rear Spacers, 1 & 1/4" poly-rubber rear spacer w/ hose clamps, Monroe Crown Vic interceptor rear shocks,1/4" bumpstop extenders, 1.5" strut Extenders, removal of sway bar and strut bar + plenty of cutting for 245/75/16 Goodyear MTRs
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Offline AJMBLAZER

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Re: manual transmissions issues
« Reply #8 on: November 28, 2010, 05:41:46 AM »
Synchromesh fluid.  You can get it from GM and Chrysler dealers and Pennzoil makes a knock off you can get at most AdvanceAuto's for about $8 per quart.

Beware as some types of 75w90...GL5 I think...has additives in it that actually eat away at the yellow metal parts of manual transmissions.  Synchronizers for insance.  My buddy just had to replace his NV3550 in his Wrangler because of this and mine is harder to shift than it should be...and had what appeared to gear oil in it.
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Offline r3cc0s

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Re: manual transmissions issues
« Reply #9 on: November 28, 2010, 02:37:56 PM »
Even in the Vitara Manual it refers to gear-oil instead... which again reflects the rates of 75-90
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03' 2.0L CAMI Tracker w/ 1.5" Front Spacers, 2" Rear Spacers, 1 & 1/4" poly-rubber rear spacer w/ hose clamps, Monroe Crown Vic interceptor rear shocks,1/4" bumpstop extenders, 1.5" strut Extenders, removal of sway bar and strut bar + plenty of cutting for 245/75/16 Goodyear MTRs
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Offline AJMBLAZER

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Re: manual transmissions issues
« Reply #10 on: November 28, 2010, 03:46:32 PM »
Chevy calls for Synchromesh.

If they call for gear oil check for GL5...you DO NOT WANT that.  GL4 may be okay.  There's a few discussions about it here and on Zuwharrie.
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Offline r3cc0s

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Re: manual transmissions issues
« Reply #11 on: November 28, 2010, 09:44:08 PM »
well anyways... this is the deliema

I replace my clutch about 20k km ago... I really don't want to go abouts overhauling my transmission so I was thinking of putting some lucas in...

other problem...

I can't open up the top filler plug w/ a 3/8th anything, its starting to strip when I try to use an extention & breaker bar
help!!
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03' 2.0L CAMI Tracker w/ 1.5" Front Spacers, 2" Rear Spacers, 1 & 1/4" poly-rubber rear spacer w/ hose clamps, Monroe Crown Vic interceptor rear shocks,1/4" bumpstop extenders, 1.5" strut Extenders, removal of sway bar and strut bar + plenty of cutting for 245/75/16 Goodyear MTRs
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Offline IanL

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Re: manual transmissions issues
« Reply #12 on: November 29, 2010, 02:17:21 AM »
Quote from: AJMBLAZER on November 28, 2010, 03:46:32 PM
Chevy calls for Synchromesh.

If they call for gear oil check for GL5...you DO NOT WANT that.  GL4 may be okay.  There's a few discussions about it here and on Zuwharrie.

The recommended oil for the manual transmission is 75W90 GL4.  If it meets GL4 it is safe for brass synchro parts.  If it only meets GL5, it may not be, so don't use that.  If it meets GL4 and GL5 it's ok.

GL5 is for the differentials.
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Offline AJMBLAZER

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Re: manual transmissions issues
« Reply #13 on: November 29, 2010, 03:11:34 AM »
r3, try heat.

Ian, again, GM recommends Synchromesh.  Dunno what Suzuki says but my manual plainly says Synchromesh for the trans and t-case.

After going through the old discussions on it here I tried to find GL4 75w90 and had no luck coming up with it.  Everyone had GL5 and most parts stores went..."what?"...when I asked about GL4 instead of GL5.
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Offline r3cc0s

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Re: manual transmissions issues
« Reply #14 on: November 29, 2010, 02:05:53 PM »
thing is... likely I have gl4 in my transmission, it shifts smoothly and is good with all that jazz

BUT... if I were to put lucas in, would that change the viscosity too much?
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03' 2.0L CAMI Tracker w/ 1.5" Front Spacers, 2" Rear Spacers, 1 & 1/4" poly-rubber rear spacer w/ hose clamps, Monroe Crown Vic interceptor rear shocks,1/4" bumpstop extenders, 1.5" strut Extenders, removal of sway bar and strut bar + plenty of cutting for 245/75/16 Goodyear MTRs
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