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.
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HOMESERVICE MANUALSCHEVROLET2002EXPRESS 1/2 TON VAN V8-5.7L VIN RREPAIR AND DIAGNOSISSPECIFICATIONSELECTRICAL SPECIFICATIONSAUTOMATIC TRANSMISSION/TRANSAXLE
2002 Chevrolet Express 1/2 Ton Van V8-5.7L VIN R
Automatic Transmission/Transaxle
2002 Chevrolet Express 1/2 Ton Van V8-5.7L VIN RSECTION Automatic Transmission/Transaxle
Automatic Transmission - 4L60-E

Transmission Fluid Temperature (TFT) Sensor Specifications

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic

Transmission Range Switch Logic

Component Resistance
Automatic Transmission - 4L80-E

Transmission Fluid Temperature (TFT) Sensor Specifications

Transmission Range Switch Logic

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic (Gas)

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic (Diesel)

Component Resistance
Transmission Fluid Temperature (TFT) Sensor Specifications
Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic
Transmission Range Switch Logic
Component Resistance
Automatic Transmission - 4L80-E
Transmission Fluid Temperature (TFT) Sensor Specifications
Transmission Range Switch Logic
Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic (Gas)
Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic (Diesel)
Component Resistance
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.