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Tranny still making noises. (already searched, replaced bearings, etc).

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Old Sep 14, 2007 | 03:00 PM
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Default Tranny still making noises. (already searched, replaced bearings, etc).

I can't get rid of this tranny gremlin: whining

Tranny:
Cable B-series JDM Y1 LSD

Symptoms (car is on jackstands):
-Tranny whines throughout all gears and gets louder as RPMs rise and gears get higher (5th gear is loudest). 1st and Reverese are not too noticable, I have never revved the car pass 4K RPM because I didn't want to break anything.
-Once the tranny is spinning (@ any gear) the whining continues until it completely stops rotating, even when out of gear (in neutral) with the clutch in or out. . .possibly differental is about to go or is already out?
-When I rotate the wheels and the car is off, it sounds like a broken ratchet (metal hitting eachother, clicking sound, not grinding)
-I've also noticed that the wheels (neither of them) do not turn anymore when in neutral (both used to turn when it was in neutral and on jack stands)

What I have done to the tranny:
-Replaced most of the tranny bearings (differential bearings, mainshaft bearing, counter shaft bearing, input shaft bearing and even the needle bearing in the tranny housing)--all are OEM parts
-Replaced synchros/sleeves--all are OEM parts from gearspeed
-LS fifth gear
-Initially tried honda MTF, didn't work. . .nice and loud
-Tried Pennzoil synchromesh, no luck either.

What I think could be the problem:
-Wheel bearings
-Something else in the tranny is messed up
-LSD is going bad (because the wheels do not rotate when in neutral,
-Shims

Please help, any input would be appreciated. I have dropped the tranny three times within the last couple months, it is a pain in the a$$ especially in a CRX. I have spent way too much money on this tranny, it is practically brand spankin' new. If anyone is willing to diagnose it, or can recommend a good shop to go to, please let me know. Thanks in advace.


Modified by Art701 at 9:28 PM 9/14/2007


Modified by Art701 at 9:30 PM 9/14/2007


Modified by Art701 at 2:24 PM 9/17/2007
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Old Sep 14, 2007 | 06:16 PM
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Default Re: Tranny still making noises. (already searched, replaced bearings, etc). (Art701)

HELP!!!
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Old Sep 14, 2007 | 06:34 PM
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Default Re: Tranny still making noises. (Art701)

Sounds like a super charger, other H-Ters say the LSD can be going bad. How do I inspect the diff when it is out?
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Old Sep 14, 2007 | 07:28 PM
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Default Re: Tranny still making noises. (already searched, replaced bearings, etc). (Art701)

n 4 l8r
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Old Sep 14, 2007 | 08:28 PM
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Default Re: Tranny still making noises. (Bense)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bense &raquo;</TD></TR><TR><TD CLASS="quote">n 4 l8r</TD></TR></TABLE>

Any ideas?
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Old Sep 15, 2007 | 08:35 PM
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Default Re: Tranny still making noises. (Art701)

no one?
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Old Sep 16, 2007 | 08:12 AM
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Default Re: Tranny still making noises. (Art701)

Have you checked the wheel bearings for noise?
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Old Sep 17, 2007 | 01:23 PM
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Default Re: Tranny still making noises. (Chiovnidca)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Chiovnidca &raquo;</TD></TR><TR><TD CLASS="quote">Have you checked the wheel bearings for noise? </TD></TR></TABLE>

Yes I have, tranny is the thing that makes sounds.
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Old Sep 18, 2007 | 10:45 AM
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Default Re: Tranny still making noises. (Art701)

How can you tell if the differential is bad, while it is on the car and while the tranny is out?
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Old Sep 18, 2007 | 05:14 PM
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Default Re: Tranny still making noises. (Art701)

does the sound change when you press your clutch pedal? Could be a bad pilot bearing on your flywheel its constantly spinning.
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Old Sep 19, 2007 | 05:17 AM
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Default Re: Tranny still making noises. (already searched, replaced bearings, etc). (Art701)

Check the differential thrust clearance. I think it's shimmed too tight.
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Old Sep 19, 2007 | 04:43 PM
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Default Re: Tranny still making noises. (Quitripin)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Quitripin &raquo;</TD></TR><TR><TD CLASS="quote">does the sound change when you press your clutch pedal? Could be a bad pilot bearing on your flywheel its constantly spinning.</TD></TR></TABLE>

Sound does not change, but I am going to replace it anyways!

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by IN VTEC &raquo;</TD></TR><TR><TD CLASS="quote">Check the differential thrust clearance. I think it's shimmed too tight.</TD></TR></TABLE>

Sounds like a plan! I'll definately quadruple check the clearance this time.
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Old Sep 21, 2007 | 09:13 PM
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Default Re: Tranny still making noises. (Art701)

Replaced pilot bearing. . .clearance looked good. . .same sound! Damn it, anyone have a cable tranny for sale?
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Old Sep 21, 2007 | 09:53 PM
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roller bearings under the gears, how did they look?
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Old Sep 22, 2007 | 08:08 AM
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Bring it to a transmission shop, like ammco or cottman, theyll look at it for free

But if the wheel arnt spinning when off the ground im leaning twoards the diff
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Old Sep 22, 2007 | 08:52 PM
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Default Re: (Mista Bone)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Mista Bone &raquo;</TD></TR><TR><TD CLASS="quote">roller bearings under the gears, how did they look?</TD></TR></TABLE>

Are you talking about the needle bearings directly on the shaft(s)? If so, I inspected them and they looked good. I just looked and rotated the gears on the shafts, smooth and sounded normal. Is there another way to check for the wear of the bearings?

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by standbackimapro &raquo;</TD></TR><TR><TD CLASS="quote">Bring it to a transmission shop, like ammco or cottman, theyll look at it for free

But if the wheel arnt spinning when off the ground im leaning twoards the diff</TD></TR></TABLE>

I will probably take it to Aamco, but I hear it is about 175-200 just to diagnose at other shops! Are you sure it is free at Aamco? Also, I already changed the differential, it is still making the same sound (unless both my differentials are bad).

Thanks for the input guys. . . for an answer to my problem!
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