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ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help...

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Old Jul 15, 2003 | 09:30 AM
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Default ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help...

Your ITR is on a lift or the front is jacked up.

The car is in neutral.

You spin the left wheel or right wheel with your hands - what does the other wheel do?

For as long as I can remember my other wheel does not/has never moved at all.

It doesn't spin with the other wheel or spin the opposite way.

If I remember correctly the last 01 ITR in our shop did the same thing.

The reason I'm asking this is because I'm trying to track down a weird problem with my car.

The other night I was driving very quicky through a twisty section of raod near my house. The drive went very smooth and I had no problems whatsoever.

I pull into my street (from a busy highway, so I wasn't in a neighborhood or anything) and I hit the gas in the turn to whip the *** end around (like I've done countless times before) and I hear a loud "POP!" and thr steering wheel jerks the opposite way of the turn.

The last time this happened to me I had broken the triple tree bearings in an inner joint, so I figured replace an axle and call it a day.

Well yesterday I replaced BOTH axles and changed the tranny fluid (only use Genuine Honda MTF) and the car still exhibits a weird pull under acceleration. I liken it to a broken inner joint feeling.

I have since racked the car again and double checked the steering and suspension parts including balljoints, tierod ends, the rack itself, etc. There is no visible damage to any sterring/suspension components.

My real question is do you guys think I broke the O.E ITR LSD?

As of right noe my daily beater is down to because the stock 70hp engine popped and I'm in the middle of a build for it, so I still have to drive my car for the time being. I'm babying it and all, but as a test I give it some stick going straight and it just pulls weird like each wheel seems to get a different amount of power.

I'm hoping for the best, but it would seem that this time (I've broken an O.E ITR 4.400 FD and an ATS 4.929 FD) I've finally broken the wonderful Honda LSD unit.

Thoughts?
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Old Jul 15, 2003 | 10:05 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

14 views, no replies?
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Old Jul 15, 2003 | 10:06 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

The other wheel spins the opposite way.
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Old Jul 15, 2003 | 10:07 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

you chipped a tooth, or teeth, in your steering rack.
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Old Jul 15, 2003 | 10:13 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (vtecvoodoo)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vtecvoodoo &raquo;</TD></TR><TR><TD CLASS="quote">you chipped a tooth, or teeth, in your steering rack.</TD></TR></TABLE>

How would I confirm this?

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote"> originally posted by acuracing »
The other wheel spins the opposite way. </TD></TR></TABLE>

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">That's what should happen, when both wheels are up.</TD></TR></TABLE>

Well mine have NEVER done this. You guys are sure that in neutral the other wheel spins the opposite way?
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Old Jul 15, 2003 | 10:14 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

Simillar thing was happening to my EG. Swapped in a $20 used rack and problem solved.

I could be wrong, but the symptoms are nearly the same.
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Old Jul 15, 2003 | 10:17 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

The only way to really tell for sure is to re&re the LSD.


If you've broken other LSDs before - what were the symptoms those times??
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Old Jul 15, 2003 | 10:21 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (vtecvoodoo)

If it is indeed the rack, why would it feel way weird under throttle and not so bad while coasting and steering?

I'm not ruling this possibility out though, and I truly appreciate the insight.

Also thanks for anyone who posts trying to help me out.

I'm a really big safety guy with my car and I am just trying to get this problem figured out before something bad happens like a diff locking up or the rack falling apart, etc.

Again I have no choice other than to drive the car very gingerly to and from work (3 miles each way ) so I'm desperate for answers.

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Old Jul 15, 2003 | 10:22 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (Big Phat R)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Big Phat R &raquo;</TD></TR><TR><TD CLASS="quote">The only way to really tell for sure is to re&re the LSD.


If you've broken other LSDs before - what were the symptoms those times??</TD></TR></TABLE>

Pulling the tranny is the last thing I want to do right now. If I must then so be it, but that means riding a bike to work in this 80-90 degree heat each day because my 1990 beater Civic is broken as mentioned before.

I never broke an LSD before. I broke two final drive sets. Teeth were stripped off of the countershaft/pinion shaft and ring gear both times.

The diff itself was never hurt when the tranny was pulled apart both times for rebuilding the tranny with all new bearings and new FD sets.
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Old Jul 15, 2003 | 10:23 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18C5-EH2 &raquo;</TD></TR><TR><TD CLASS="quote">If it is indeed the rack, why would it feel way weird under throttle and not so bad while coasting and steering?

I'm not ruling this possibility out though, and I truly appreciate the insight.


</TD></TR></TABLE>

I don`t know, but again, my car felt pretty simillar. It only takes an hour to swap a new rack in. Much easier than yanking the trans
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Old Jul 15, 2003 | 10:24 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (vtecvoodoo)

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

I don`t know, but again, my car felt pretty simillar. It only takes an hour to swap a new rack in. Much easier than yanking the trans </TD></TR></TABLE>

Too bad that Quaife 19:1 steering rack kit isn't yet available from Brian at Fastbrakes, huh?
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Old Jul 15, 2003 | 10:42 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

if youare still using tapered diff bearings, might have broken one of those.

And for the guy who said the wheel spins the other way, that only applies in gear.
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Old Jul 15, 2003 | 10:47 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (sgT)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sgT &raquo;</TD></TR><TR><TD CLASS="quote">if youare still using tapered diff bearings, might have broken one of those.

And for the guy who said the wheel spins the other way, that only applies in gear.</TD></TR></TABLE>

Thank god about the wheels spinning off the ground thing. That was beginning to scare me.

I run the non-tapered style diff bearings. They look like sealed ones, more beefy looking.
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Old Jul 15, 2003 | 10:55 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

if it pulls under acceleration, i would check the wheels for play both up down and side side
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Old Jul 15, 2003 | 11:18 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (sgT)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sgT &raquo;</TD></TR><TR><TD CLASS="quote">if youare still using tapered diff bearings, might have broken one of those.

And for the guy who said the wheel spins the other way, that only applies in gear.</TD></TR></TABLE>

I'm glad someone finally said that.

The other wheel does nothing when in neutral.

When in gear, if you spin one wheel counterclockwise, the other wheel goes clockwise.
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Old Jul 15, 2003 | 11:34 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (Chris N)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Chris N &raquo;</TD></TR><TR><TD CLASS="quote">The other wheel does nothing when in neutral.</TD></TR></TABLE>

Interesting....my wheels turn in the same direction while in neutral *shrug*
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Old Jul 15, 2003 | 11:53 AM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (sgT)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sgT &raquo;</TD></TR><TR><TD CLASS="quote">if it pulls under acceleration, i would check the wheels for play both up down and side side</TD></TR></TABLE>

Checking for what specifically?

I've checked the wheels already before I went to lunch today while the car was on the rack.

Both wheels felt solid. Actually one was a bit playful until I retorqued the axle nut. The car still drove exactly the same afterwards.

What is the likelihood of breaking a stock diff?

When whatever it was broke both wheels were on the ground, I was doing possibly 35-40mph, and I did not hit anything at all. I simply gave it some gas and then again something "popped" and the wheel jerked against the turn and it's not been the same since.
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Old Jul 15, 2003 | 12:05 PM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18C5-EH2 &raquo;</TD></TR><TR><TD CLASS="quote">
I never broke an LSD before. I broke two final drive sets. Teeth were stripped off of the countershaft/pinion shaft and ring gear both times.

The diff itself was never hurt when the tranny was pulled apart both times for rebuilding the tranny with all new bearings and new FD sets.</TD></TR></TABLE>


Duh my bad

BPR - hoo kant reed
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Old Jul 15, 2003 | 12:10 PM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B18C5-EH2 &raquo;</TD></TR><TR><TD CLASS="quote">Checking for what specifically?</TD></TR></TABLE>

Wheel bearing and steering play.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">What is the likelihood of breaking a stock diff?</TD></TR></TABLE>

imho, very unlikely.
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Old Jul 15, 2003 | 12:11 PM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

When you Changed the fluid did come out clean? I would think that there would be some particles in the fluid if you broke the lsd.
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Old Jul 15, 2003 | 12:21 PM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (Big Bad Boody Dady)

Taking into account sgT and Boody Dady's (hehe...) posts I'm thinking the diff might not be broken, but it sure does feel exactly how I'd imagine a malfunctioning LSD would feel.

The fluid was 100% clean coming out.

If you guys have ever broken the triple tree on an inner CV joint and felt the wierd pulling under throttle, I liken the feeling to that.

I guess the worst case scenario is that I replace the rack and the pull is still there.

My rack has always felt just a tad sloppy anyways...

If I replace the rack and the pull is still there then what else could this be other than a broken stock ITR diff?

Has anyone here ever broken the stock diff or known someone else that has?
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Old Jul 15, 2003 | 12:27 PM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

Tom, same thing happend to my old car. It was a busted diff. go borrow a LS tranny and tear yours apart.
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Old Jul 15, 2003 | 12:33 PM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

What about the sensors on brake back plate. If one of those go bad would it cause it? But i don't think that would explain the pop you heard.
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Old Jul 15, 2003 | 12:37 PM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (Big Bad Boody Dady)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Big Bad Boody Dady &raquo;</TD></TR><TR><TD CLASS="quote">What about the sensors on brake back plate. If one of those go bad would it cause it? But i don't think that would explain the pop you heard. </TD></TR></TABLE>

Thanks for the suggestions, but my car is non-ABS.

It's a 1992 hatch with a full B18C5 swap, not an actual ITR.

Yeah I probably just reduced the amount of potential help by 50% since it's not an actual ITR, but oh well.

I'm so sick of tranny woes...



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Old Jul 15, 2003 | 01:37 PM
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Default Re: ITR LSD Q's. Possible Broken ITR Diff? PLEASE Help... (B18C5-EH2)

The sensor isn't for the abs. Its for the LSD. It is supposed to monitor the wheel slip. Is the tranny out of an ITR? How did you bypass the sensors?
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