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Pinion bearings next..
TIMKEN M86649 - Outer bearing
TIMKEN HM89446 - Inner bearing
TIMKEN 1992 - Pinion seal OR NATIONAL 473823 ??
Crush sleeve - Part number 33121744368 ? Not sure
Have doubts with Pinion seals and crush sleeve. May be i will just buy it and see how the seal / sleeve matches with existing one.
looks good. Neat to see these torn down.
1998 Z3 1.9L Dinan Stage 3.
Removed the pinion and cleaned the rear cover and all
The deep impact 30mm socket i used with 250ftlb impact wrench. Had to grind the end to make it fit to the nut
30MM Socket.jpgNut.jpgPinion Flange-1.jpgPinion Flange-2.jpg
Races (inner)
Inner Race.jpg
Outer Race
Outer Race.jpg
Pinion seal. Yes i was managed to take it out without damaging
Pinion Seal-1.jpgPinion Seal-2.jpg
Outer bearing (continued)
Outer Bearing-1.jpgOuter Bearing-2.jpg
Outer bearing - FAG 905031 (printed on it). Once cleaned, it looks perfect. No noise or irregular surfaces
Outer Bearing-6.jpgOuter Bearing-7.jpg
Inner bearing (the one in pinion)- FAG KHM89449.T28?? (printed on it). Once cleaned, it looks perfect. No noise or irregular surfaces
Inner Bearing -8.jpgInner Bearing -3.jpgInner Bearing -4.jpg
Pinion seal - number 1 214 141 is printed on it. 1 214 142 is printed on the carrier bearing seals.
Pinion Seal-3.jpgPinion Seal-4.jpgPinion Seal-5.jpg
Just bought the following..
Pinion bearings - Timken M86649 and HM89446
Mount - 33171090950
Pinion crush collar - 33121744368
Pinion seal - 31507609535
Carrier bearing seals - 33107505602 X 2
Outer cover gasket - 33111210405
2 QT 75W90 LM 2048 Liqui Moly
Now need to buy
- Gear marker paint
- Dial indicator
- Needle Torque wrench
- Gasket marker
More to follow once i receive them
Last edited by saneesh8; 03-16-2019 at 11:47 PM.
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