Astro Van 2WD V6-4.3L VIN W (2001)
Important:
When replacing the pinion oil seal and/or the pinion flange/yoke, observe the following guidelines:
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When replacing only the pinion oil seal, the same style pinion oil seal must be used as the one that was removed.
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It replacing both the pinion oil seal and the pinion flange/yoke, the same style of pinion oil seal and the pinion flange/yoke must be used.
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The 2 lip and the 3 lip style pinion oil seals and pinion flange/yokes are not interchangeable.
1.
Install the new pinion gear oil seal. For the 2 lip style pinion oil seal, use the J 23911. For the 3 lip style pinion oil seal, use the J 33782.
2.
Apply sealant, GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the spines of the pinion flange/yoke.
Important:
Install the pinion gear flange/yoke to the pinion gear shaft in the same position as marked during removal in order to maintain correct driveline
balance.
3.
Install the pinion flange/yoke.
Align the marks made during removal.
Notice:
Do not hammer the pinion flange/yoke onto the pinion shaft. Pinion components may be damaged if the pinion flange/yoke is hammered onto the
pinion shaft.
4.
Seat the pinion flange/yoke onto the pinion shaft by tapping it with a soft-faced hammer until a few pinion shaft threads show through the yoke.
5.
Install the washer and a new pinion nut.
6.
Install the J 8614-01 onto the pinion flange/yoke as shown.
Notice:
Refer to Fastener Notice in Cautions and Notices.
Important:
If the rotating torque is exceeded, the pinion will have to be removed and a new collapsible spacer installed.
7.
Tighten the pinion nut while holding the J 8614-01.
