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Daniel Driscoll
Newbie
VIC
TT

Posts: 2
Reg: 10-2008

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Monday, November 24, 2008 - 04:17 pm, by:  Daniel Driscoll (Driscolld) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

This morning when i left for work my car started clunking an jumping as i turned corners.Felt as if it was coming from the rear end of car and almost like one of the wheels were slipping.Also happened when reversing.What does it sound like to you guys? Any help would be greatly appreciated
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 10285
Reg: 11-2004

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Monday, November 24, 2008 - 05:20 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Broken diff.
Sean Routledge
TryHard
Victoria
V8 Limited

Posts: 334
Reg: 07-2008

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Monday, November 24, 2008 - 08:14 pm, by:  Sean Routledge (Stircrazy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Peter, sometimes in the wet i'll take off at the lights at around half throttle, not to spin the wheels but to get a semi quick take off. When I do so, if the wheels spin a little I also get clunking noises. But, if I plant my foot in the wet I get no clunking noises, just wheel spin.
Could it be clunking because the wheels are semi-spinning and trying to grip? All of this is done with TRC off.
Does it sound diff related to you or maybe tranny?
Could the tranny mounts have anything to do with it? Cheers.
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 10287
Reg: 11-2004

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Tuesday, November 25, 2008 - 02:27 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Planting in the wet, probably both wheels are spinning, so the diff is still driving "straight".

The semi spin and corners, it's doing it's differential job and turning the wheels at different rates and this is where problems really show up.

Pull the diff plug out, I am pretty sure it will have more than a fine coating on it.
Sean Routledge
TryHard
Victoria
V8 Limited

Posts: 337
Reg: 07-2008

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Tuesday, November 25, 2008 - 10:11 am, by:  Sean Routledge (Stircrazy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Diff plug? Do you have any pics or diagrams?
Will pulling the plug out release oil?
Just wanna make sure i'm prepared.

What do you mean "this is where problems really show up"? Should it be clunking whilst doing it's job? Or does the clunking mean there is a problem? I'm not sure if it's a clunk i'm hearing or a knock...if there's a difference.

Thanks Peter.
Cameron Laufer
TryHard
Queensland
T

Posts: 461
Reg: 12-2007

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Tuesday, November 25, 2008 - 12:24 pm, by:  Cameron Laufer (Ivboost) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Mate the bung is at the bottom of the diff at the back, there is a magnet attached to it, this bung also holds the diff oil in. If the diff is broken you will have chunks of metal attached to the magnet, not just the usual metallic fluff.
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 10289
Reg: 11-2004

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Tuesday, November 25, 2008 - 12:38 pm, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Pics here:
http://soarercentral.com/cgi-bin/sc-forum/show.cgi?tpc=30604&post=220210#POST220210

Good article here: http://www.planetsoarer.com/diff/diff.htm

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