Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET1990SUBURBAN 1/2 TON 4WD V8-350 5.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSVEHICLE SPEED SENSORSERVICE AND REPAIRAUTOMATIC TRANSMISSION
1990 Chevrolet Suburban 1/2 Ton 4WD V8-350 5.7L
Automatic Transmission
1990 Chevrolet Suburban 1/2 Ton 4WD V8-350 5.7LSECTION Automatic Transmission
REMOVAL
1. Apply the parking brake.
2. Raise the vehicle and support it with suitable safety stands.
3. Remove harness connector.
4. Remove screw.
5. Remove [1][2]speed sensor.
- Have a suitable container to catch fluid.
6. Remove O-ring seal.
- Inspect all parts for wear or damage
INSTALLATION
1. Install new O-ring seal.
- Coat the seal with a thin film of transmission fluid.
2. Install [1][2]Speed Sensor.
- Rotate the cover into place.
3. Install screw.
- Torque to 11 Nm (8 lbs ft).
4. Install harness connector.
- Lower the vehicle.
- Release the parking brake.
5. Add transmission fluid if needed.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.