Suburban 3/4 Ton 4WD V8-305 5.0L (1986)
Maintenance Indicator - A/T: Technical Service Bulletins
A/T Fluid Level Indicator - Revised (Sealed)
GMC NUMBER:
90-7A-118
GROUP:
7A Automatic Transmission
DATE:
March, 1991
CORPORATE
NUMBER:
067107
SUBJECT:
NEW TRANSMISSION FLUID LEVEL INDICATOR
MODELS:
1982-90 C/K, R/V TRUCKS AND 1983-90 G-VANS EQUIPPED WITH 3L80 (THM400) OR 4L60 (700R4) AUTOMATIC
TRANSMISSIONS
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, R/V All &
Transmission
3L80 or 4L60
fluid level
indicator
15677051
1987-90 G All w/ (4.3Z,
Transmission
5.OH, 5.7K) & 4L60
fluid level
indicator
15677052
1987-90 G2 (6.2C) &
Transmission
4L60
fluid level
1983-86 G All & 4L60
indicator
15677055
1987-90 G3 (6.2J) & 3L80
Transmission
1987-88 G3 (5.7M) &
fluid level
3L80
indicator
1984-86 G All & 3L80
1983 G3 & 3L80
15677056
1987-90 G All w/(4.3Z,
Transmission
5.0H, 5.7K) & 3L80
fluid level
indicator
15677057
1988-90 G3 (7.4N) &
Transmission
3L80
fluid level
indicator
Parts are currently available from GMSPO.
WARRANTY INFORMATION
For vehicles repaired under warranty use:
Labor Operation:
K6130
Labor Time:
0.2 hr.
