Astro Van M V6-262 4.3L VIN B TBI (1991)
Ring Gear: Technical Service Bulletins
Rear Axle Ring and Pinion Set - Replacement
Number:
91-295-4B
Section:
4B
Date:
APRIL 1991
Corp. Bulletin No.: 164201
Subject:
REAR AXLE RING AND PINION ASSEMBLY REPLACEMENT
Model and Year:
1991 M/L VANS
Rear axle ring gear and pinion sets for 1991 M/L vans are system balanced as an assembly. The assembly is balanced as a unit with the pinion flange
weighted as a harmonic member.
When axle repairs dictate that a new ring and pinion gear set be installed, a new pinion flange must also be used. Discard the original pinion flange and
install service flange 26006975 now available through GMSPO.
SERVICE PARTS INFORMATION
Part Number
Description
Quantity
26006975
FLANGE
1
Parts are currently available from GMSPO.
