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HOMESERVICE MANUALSCHEVROLET1987CHEVETTE L4-98 1.6LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSA/T - PROPER FLUID LEVEL CHECKING PROCEDURE
1987 Chevrolet Chevette L4-98 1.6L
A/T - Proper Fluid Level Checking Procedure
1987 Chevrolet Chevette L4-98 1.6LSECTION 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.
^ 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.
^ THM 125C, 440-T4 (Refer to Figures 2 and 3):
When cold, 27 Degrees C (80 Degrees F), a full transaxle will show the fluid level to be above the "Full Hot" mark. This is a result of fluid stored in the bottom pan when cold. As the transaxle warms to normal operating temperature, fluid is captured in the side pan, lowering the fluid level to within the cross-hatched area.
NOTICE:
The "cold" check procedure cannot take the place of a "hot check. The "cold" check will let the technician know there is enough fluid to perform a Preliminary check Procedure, an accurate road test, and allow normal operating temperature to be obtained prior to the necessary "hot" check.
B. "HOT" CHECK PROCEDURE:
1. Drive vehicle in all ranges to attain a fluid temperature of 80 to 90 Degrees C (180 to 200 Degrees F).
2. Idle at normal idle speed in Park for 3 minutes.
3. With vehicle level, accessories turned off, and engine idling in Park, check fluid level.
4. Fluid level should be within the cross-hatched area. (Read front and back, use the lowest level.)
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.
FIGURE 2:
FIGURE 3:
^ THM 125C, 440-T4 (Refer to Figures 2 and 3):
When cold, 27 Degrees C (80 Degrees F), a full transaxle will show the fluid level to be above the "Full Hot" mark. This is a result of fluid stored in the bottom pan when cold. As the transaxle warms to normal operating temperature, fluid is captured in the side pan, lowering the fluid level to within the cross-hatched area.
NOTICE:
The "cold" check procedure cannot take the place of a "hot check. The "cold" check will let the technician know there is enough fluid to perform a Preliminary check Procedure, an accurate road test, and allow normal operating temperature to be obtained prior to the necessary "hot" check.
B. "HOT" CHECK PROCEDURE:
1. Drive vehicle in all ranges to attain a fluid temperature of 80 to 90 Degrees C (180 to 200 Degrees F).
2. Idle at normal idle speed in Park for 3 minutes.
3. With vehicle level, accessories turned off, and engine idling in Park, check fluid level.
4. Fluid level should be within the cross-hatched area. (Read front and back, use the lowest level.)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.