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  #1  
Old 10-14-2007, 03:01 AM
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svxual svxual is offline
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Question replacing the diff

sup fello svx owners im new here.. i have a 92 gunmetal , black leather , 35% tints back and sides ,18inch rays , all pretty stock..and oh yeah im from new zealand so its right hand drive, no sunroof came with all the factory jdm parts but have removed the rear spoiler as was cracked.. my problem is ive blown my rear diff and was wondering if anyone could help me with a walkthrough on replacing this, i have got a replacement diffhead which has 145kms on it. cheers 4 any help
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  #2  
Old 10-14-2007, 05:01 AM
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Hello svxual, and welcome to the Network!! Nice to have you here and I'm sure we can help you.

So far as I can see, we do not have a single write-up on rear diff replacement.

However, the last page of this document here, has details on changing the rear diff ratio which will help.

If nobody knowledgeable replies, send a PM, a Private Message, to Tom aka svxfiles, Tom will give you the detail in a few minutes.

Joe
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  #3  
Old 10-14-2007, 07:08 AM
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Here's the basics. It's been a while, but I think I have it all covered...

- Get the rear end in the ground, on stands with the wheels free.
- You may need to remove the heat shield between the exhaust and the driveshaft??
- Remove the 4x12mm headed nuts/bolts that connect the driveshaft to the front flange on the diff. Use a screwdriver in the yoke to keep the shaft from spinning to loosen the nuts.
- There should be enough play to get the driveshaft away from the flange, push the driveshaft up above the flange.
- Use a pry bar to pop the inner joint of the axles out of the diff. DO NOT try to remove them at this point. Just pop them out about 1/2 inch (13mm).
- Use a 17mm socket to remove the nuts from the studs going through the crossmember at the rear of the differential. If the nuts are rusted to the stud, and the stud turns out of the differential, that is even better.
- Support the diff with a jack
- I think there are 6x17mm bolts holding the front end of the diff to the subframe?? (All soobs mount the front differently???)
- Slowly lower the diff untill you have enough room to remove the axles. The stub on the right axle is longer, so remove the left axle first.
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Last edited by Hocrest; 10-14-2007 at 07:29 AM. Reason: OT set me straight...
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  #4  
Old 10-14-2007, 07:22 AM
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Quote:
Originally Posted by Hocrest View Post
Here's the basics. It's been a while, but I think I have it all covered...

- Get the rear end in the ground, on stands with the wheels free.
- You may need to remove the heat shield between the exhaust and the driveshaft??Nope.
- Remove the 4x12mm headed nuts/bolts that connect the driveshaft to the front flange on the diff. Use a screwdriver in the yoke to keep the shaft from spinning to loosen the nuts.
- There should be enough play to get the driveshaft away from the flange, push the driveshaft up above the flange.
- Use a pry bar to pop the inner joint of the axles out of the diff. DO NOT try to remove them at this point. Just pop them out about 1/2 inch (13mm).
- Use a 17mm socket to remove the nuts from the studs going through the crossmember at the rear of the differential. If the nuts are rusted to the stud, and the stud turns out of the differential, that is even better.
- Support the diff with a jack
- I think there are SIXx17mm bolts holding the front end of the diff to the subframe?? (All soobs mount the front differently???)
- Slowly lower the diff untill you have enough room to remove the axles. The stub on the right axle is longer, so remove the left axle first.
What He said.
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  #5  
Old 10-14-2007, 07:28 AM
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Quote:
Originally Posted by svxfiles View Post
What He said.
There's 6??? Hmmm I don't remember that many...

Thanks for the correction
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  #6  
Old 10-14-2007, 08:44 AM
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Quote:
Originally Posted by Hocrest View Post
Here's the basics. It's been a while, but I think I have it all covered...

- Get the rear end in the ground, on stands with the wheels free.
- You may need to remove the heat shield between the exhaust and the driveshaft??
- Remove the 4x12mm headed nuts/bolts that connect the driveshaft to the front flange on the diff. Use a screwdriver in the yoke to keep the shaft from spinning to loosen the nuts.
- There should be enough play to get the driveshaft away from the flange, push the driveshaft up above the flange.
- Use a pry bar to pop the inner joint of the axles out of the diff. DO NOT try to remove them at this point. Just pop them out about 1/2 inch (13mm).
- Use a 17mm socket to remove the nuts from the studs going through the crossmember at the rear of the differential. If the nuts are rusted to the stud, and the stud turns out of the differential, that is even better.
- Support the diff with a jack
- I think there are 6x17mm bolts holding the front end of the diff to the subframe?? (All soobs mount the front differently???)
- Slowly lower the diff untill you have enough room to remove the axles. The stub on the right axle is longer, so remove the left axle first.
I expect you meant get the rear end OFF the ground, did you Dave?

Thanks guys.

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  #7  
Old 10-14-2007, 11:44 AM
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Quote:
Originally Posted by Hocrest View Post
There's 6??? Hmmm I don't remember that many...

Thanks for the correction
"Thank you Sir, may I have another!"
Animal House quote.
Six bolts, two long bolts holding the front of the diff through the short crossmember , and four holding the short crossmember to the real crossmember.
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The first SuperCharged SVX,
the first 4.44 gears,
the first equal length headers,
the first phenolic spacers,
the first Class Glass fiberglass hood,
the first with 4, 4.44s in his driveway


Fiberglass Hood thread
My locker
4.44 Swap link
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  #8  
Old 10-14-2007, 11:47 AM
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svxfiles svxfiles is offline
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Quote:
Originally Posted by svxistentialist View Post
I expect you meant get the rear end OFF the ground, did you Dave?

Thanks guys.

Nope, nope, here in the US we are required to be "safe" and an object IN the ground can not fall!
Its for our own good, really.
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www.svxfiles.com
The first SuperCharged SVX,
the first 4.44 gears,
the first equal length headers,
the first phenolic spacers,
the first Class Glass fiberglass hood,
the first with 4, 4.44s in his driveway


Fiberglass Hood thread
My locker
4.44 Swap link
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  #9  
Old 10-14-2007, 03:49 PM
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cheers 4 the help guys.. have just found that 1 o me m8s has borrowd me axle stands & cant member who so will have 2 go shopping 4 more lol.. another thing im am hoping it was or is just a diff head issue ae? i was doin an over nighter and i got a terrible rumble noise from the backend i was way out cell reception so had 2 keep driving at a slow speed 80kish but then i got a flat and wen i jackd car 2 change i noticed smoke coming from those rubber bushes at the top off the diff and damn the thing was bloody hot.. u need a mortage over here 2 get tech on a svx but was told was prob my diff head as that would b only reason 4 it 2get so hot.. ????
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