C 3500 Truck 2WD V8-379 6.2L DSL (1988)
Maintenance Indicator - A/T: Technical Service Bulletins
A/T Fluid Level Indicator - Available
Number: 90-406-7A
Section: 7A
Date: March 1991
Corporate Bulletin No.: 067107
Subject:
AVAILABILITY/SERVICING OF NEW TRANSMISSION FLUID LEVEL INDICATOR
Model and Year:
1982-90 C/K TRUCKS, 1987-90 R/V TRUCKS, 1983-90 G VANS WITH 3L80 OR 4L60 AUTOMATIC TRANSMISSION
A new transmission fluid level indicator featuring a seal at the transmission fill tube inlet end is available. This indicator, which is installed on all 1991
C/K, R/V and G models, may be installed on previous models listed below.
SERVICE PROCEDURE:
When installing a new transmission fluid level indicator, replacement of the transmission fluid fill tube is not necessary.
SERVICE PARTS INFORMATION
Part Number
Model
Description
15659455
1982-90 C/K All &
Transmission fluid
3L80 or 4L60
level indicator
15659455
1987-90 RN All &
Transmission fluid
3L80 or 4L60
level indicator
15677051
1987-90 G All w/(4.3Z, 5.0H, 5.7K)
Transmission fluid
& 4L60
level indicator
15677052
1987-90 G2 (6.2C) & 4L60
Transmission fluid
1983-86 G All & 4L60
level indicator
15677055
1987-90 G3 (6.2J) & 3L80
Transmission fluid
1987-88 G3 (5.7M) & 3L80
level indicator
1984-86 G All & 3L80 1983 G3 & 3L80
15677056
1987-90 G All w/(4.3Z, 5.0H, 5.7K)
Transmission fluid
& 3L80
level indicator
15677057
1988-90 G3 (7.4N) & 3L80
Transmission fluid
level indicator
Parts are currently available from GMSPO.
WARRANTY INFORMATION
For vehicles repaired under warranty use:
Labor Operation:
K6130
Use applicable Labor Time Guide for labor hours.
