Beretta L4-121 2.0L (1987)
Pinion Gear: Technical Service Bulletins
A/T - R&R of Final Drive Pinion Gear Washers & Sun Gear
Number:
89-185-7A
Section:
7A
Date:
June 1989
Subject:
NEW PROCEDURE FOR REPLACEMENT OF FINAL DRIVE PINION GEAR WASHERS AND SUN GEAR
Model and Year:
1980-89 A, J, L, X WITH 125C OR 440-T4 TRANSAXLE
TO:
ALL CHEVROLET DEALERS
This bulletin covers a new service procedure to replace Final Drive Pinion Gear Washers (807) and differential carrier sun gear bearing (677) on THM
440-T4/HYDRA-MATIC 4T60 or (676) on THM 125C/HYDRA-MATIC 3T40.
Pinion Gear End Play
SERVICE PROCEDURE:
Checking End Play -
Measure pinion gear end play using a feeler gage. The correct end play range is 0.24 - 0.63 mm (0.009" - 0.025"). If out of range, follow the procedure
given in this bulletin, since it is not currently included in the Unit Repair section of your Service Manual. Refer to illustration.
Figure 1
