G 10 Van V8-379 6.2L DSL (1987)
Fluid - A/T: Technical Service Bulletins
A/T - Proper Fluid Level Checking Procedure
Number:
88-41
Section:
7A
Date:
AUG., 1987
Subject: PROPER TRANSMISSION FLUID LEVEL
CHECKING PROCEDURE
Model and Year: 1987-88 CHEVROLET VEHICLES WITH
THM 125C, 200-4R, 400, 440-T4, AND 700-R4 TRANSMISSIONS
TO:
ALL CHEVROLET DEALERS
This bulletin outlines proper hot and cold fluid level checking procedures for the transmissions and transaxles listed above.
A.
"COLD" CHECK PROCEDURE:
1.
Start vehicle and let idle in Park for 3 minutes.
Note for THM 440-T4: Start vehicle and cycle range selector through 1, 2, D, OD, and R for approximately 3 seconds in eash range.
Complete check preparation by letting vehicle idle in Park for 3 minutes.
2.
With vehicle level, accessories turned off, and engine idling in Park, check fluid level as outlined below.
FIGURE 1
^
THM 200-4R, 400, 700-R4 (Refer to Figure 1):
When cold, 27 Degrees C (80 Degrees F), a full transmission will show the fluid level below the "Add" mark on the indicator. As the
transmission warms to normal operating temperature, the fluid expands, raising the level to within the cross-hatched area.
