True-track/halfshafts...please help....car rolls in park! - TCCoA Forums
 
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post #1 of 5 (permalink) Old 08-11-2006, 09:44 PM Thread Starter
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True-track/halfshafts...please help....car rolls in park!

MODS: so Sorry to double post in general tech and drivetrain, but I really need help and need it fast, I need this car to get to work on monday. Please dont delete....

Well finally got my drivetrain swap complete, and had 2 major issues. The first is solved, my aftermarket fuel pump is wired opposite of the stock one. The one holding me up now has to do with my rear end/halfshafts. I got a new True-track 3.73 diff from someone on these boards.

My problem is that my car rolls in park! I have not yet started the engine and tried to put it in gear because I am worried I will destroy the halfshafts. Even more interesting, when the car rolls in park, the driveshaft does NOT move, it is locked by the transmission park pawl, or whatever it is called. Only the wheels/halfshafts turn, and turning the driveshaft turns the pinion gear but not the halfshart/tire assembly. Its like the diff is not turning the halfshafts, the halfshafts are just grinding around the sidegears. Not sure if anyone here is knowledgeable about the true-track system, cuz I am not, but I am in a huge bind here and need help. I would hate to put my stock diff in, especially with how much money I have burned on this rear end. I probably should have just gotten a junkyard trac-lock anyways, I hope the true-trac is not to aggressive for street use if I do get it working right.


Can anyone help me? I would appreciate it tremendously. Is there anyone that lives close to me that knows about this rear end system that could help me? I will make it worth your while!

All Glory to God!

RIP JOHNNY LANGTON

96 LX PI/Jspec Pearl White. She enjoys eating ricers for breakfast
-MODS-
2002 PI 4.6L - Jspec Trans built by Darrin - 04 Marauder converter - Hayden 679 Trans cooler - Engine cooling modification - SCT Xcal2, tuned by Lonnie - 02 GT MAF and 99 GT Intake tube - removed silencer - 255 lph HP fuel pump - Aluminum Driveshaft - 3.73 TL - 245/60/15 BFGoodrich Radial T/A's - PBR front brakes - SCP Rear torsional load brace - SCP Solid rubber motor, transmission mounts - Rear Strut Tower brace and Diff cover brace by Rod
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post #2 of 5 (permalink) Old 08-11-2006, 09:50 PM
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Sounds like the wrong spline carrier to me. I just went through this for another guy I ordered a 28 spline and got a 31. I got the unit replaced but it requires partial dissasembly of the diff.
Alan

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post #3 of 5 (permalink) Old 08-11-2006, 10:24 PM Thread Starter
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God bless you dirtydog, at least I am not in the dark. It is very bad news unfortunately, but I thank you anyways for you help....hopefully this wont be too much trouble or labor for a shop to fix, I am already very deep in the wallet over this rear end.

All Glory to God!

RIP JOHNNY LANGTON

96 LX PI/Jspec Pearl White. She enjoys eating ricers for breakfast
-MODS-
2002 PI 4.6L - Jspec Trans built by Darrin - 04 Marauder converter - Hayden 679 Trans cooler - Engine cooling modification - SCT Xcal2, tuned by Lonnie - 02 GT MAF and 99 GT Intake tube - removed silencer - 255 lph HP fuel pump - Aluminum Driveshaft - 3.73 TL - 245/60/15 BFGoodrich Radial T/A's - PBR front brakes - SCP Rear torsional load brace - SCP Solid rubber motor, transmission mounts - Rear Strut Tower brace and Diff cover brace by Rod
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post #4 of 5 (permalink) Old 08-11-2006, 11:04 PM
Converter Guy
 
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Contact the place that supplied the diff and get them to send a replacement. Remove the side gears from the replacement by the side bolts. Change them around and stick the one they send you back in the box. If that plan doesn't work see if detroit will sell you a set of side gears. Changing the entire carrier will require changing shims and refiguring it. Just changing the gears nothing that way should change just make sure you put the shims back where they came from. Sadly you will need a housing spreader to pull that carrier out.
Alan

DirtyDog Performance.Com
Proud sponsor of the SC/XR7 Shootout and Joel Bender Memorial Nats

Please do not send me messages on forums they are too hard to keep up with and I don't check in very often anymore call me at 513 898-1580 or email me alan at dirtydogperformance.com
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post #5 of 5 (permalink) Old 08-12-2006, 11:16 AM Thread Starter
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I dont want to do it myself, this is why I went to someone I thought knowledgeable about these setups. Hopefully that someone will help make it right for me

All Glory to God!

RIP JOHNNY LANGTON

96 LX PI/Jspec Pearl White. She enjoys eating ricers for breakfast
-MODS-
2002 PI 4.6L - Jspec Trans built by Darrin - 04 Marauder converter - Hayden 679 Trans cooler - Engine cooling modification - SCT Xcal2, tuned by Lonnie - 02 GT MAF and 99 GT Intake tube - removed silencer - 255 lph HP fuel pump - Aluminum Driveshaft - 3.73 TL - 245/60/15 BFGoodrich Radial T/A's - PBR front brakes - SCP Rear torsional load brace - SCP Solid rubber motor, transmission mounts - Rear Strut Tower brace and Diff cover brace by Rod
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