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Drivetrain - Special 8.25 Inch/3.21 Ratio Procedures

NUMBER: 03-002-07

GROUP: Differential & Driveline

DATE: September 18, 2007

SUBJECT:
Ring & Pinion Service For 3.21 Gear Ratio

MODELS:

2007 - 2008 (KA) Nitro

2008 (KK) Liberty

NOTE:
This bulletin applies to vehicle equipped with 3.21 gear ratio rear axle (sales code DMC) all engines.

DISCUSSION:

Replacing the rear axle ring and pinion on the corporate 8 1/4 axle with a 3.21 gear ratio has specific and unique service procedures.

Follow procedures available in DealerCONNECT > TechCONNECT under Service > 3 - Differential & Driveline> Rear Axle - 8-1/4 > Gear-Pinion/Ring > Removal And Installation > Gear-Pinion/Ring.

a. Removal of the ring gear from the differential requires pressing ring gear off of the differential with Plug 8926-2 and Remover 10126-1.

b. Installation of the ring gear on to the differential requires the use of a bearing heater and left hand threaded Pins 10126-2





SPECIAL TOOLS/EQUIPMENT REQUIRED:

POLICY:
Information Only

Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.