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PostPosted: Wed Sep 16, 2020 1:30 pm 
Light Pressure Turbo
User avatar

Joined: Sat Sep 25, 2010 11:19 am
Posts: 439
Location: Llandrindod Wells
Car Models: 2007 9-3 Aero
I recently acquired a 9-3X SC.

Looking through the history I discovered that the Haldex/ rear diff was stripped with a full oils change, in November 2015, at 46k miles.

This didn't resolve the issue because the rear diff was replaced, in May 2016, at 54k miles.

The service book shows no indication of any servicing prior to, or since, the replacement.

First job in place and oils, gasket etc ordered. I decided to change the AT fluid while the car was in the air.

AT box drained and re-filled.

Front transfer case drained and re-filled.

Rear diff drained and re-filled.

That's the morning gone and now to the PITA job.

The 2 18mm rear diff to body bolts are removed.

The 2 18mm lower rear diff to body bolts are loosened and a jack placed under the diff for support.

The 2 bolts are removed and the diff lowered, slowly.

Nope, still can't get to the 10 small torx bolts that hold the cover.

OK, release the rear exhaust support and box hangers to lower the exhaust.

By the power of Carlsson I can, just, with varying degrees of contortion and dexterity access the torx bolts, including the sneakily hidden centre cover bolt.

Finally, following much cursing and maniacal laughter at my struggle.

Haldex cover off :argh:

Haldex 1 1024x768.jpg
Haldex 1 1024x768.jpg [ 86.54 KiB | Viewed 150 times ]

After much cleaning.

Haldex 2 1024x768.jpg
Haldex 2 1024x768.jpg [ 102.44 KiB | Viewed 150 times ]

Unfortunately the picture of the haldex cover didn't register so the full extent of the detritus can't be seen.

However, this is one finger worth of said detritus on the paper towel. There were many, many more.

Haldex 3 1024x768.jpg
Haldex 3 1024x768.jpg [ 144.38 KiB | Viewed 150 times ]

I also undid the 2 T10 screws that hold the pump filter in place to check that. It was almost blocked so may well have failed soon.

The haldex oil change is a pin to do but this underlines it's importance. I would suggest every 20-25k miles.

I managed the AT fluid, transfer case and rear diff oil changes in less time that it took for the haldex oil change.

NB. Next time I will simply drop the exhaust, at the front also, to enable it to be moved out of the way.

2010 9-3X
MR2 turbo
Opel GT (1972)

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