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NO TORQUE CONVERTER CLUTCH RELEASE NO REVERSE GEAR FLUID PRESSURE HIGH OR LOW Checks Causes Torque Converter Assembly (1) Diagnose torque converter for possible internal damage. Inspect for worn, damaged, or sticking converter feed Inspect for worn, damaged, or sticking torque Control Valve Lower Body Inspect for worn, damaged, or sticking TCC regulator Checks Causes Control Valve Upper Body Inspect for worn, damaged, or sticking 3-5 reverse Inspect for damaged or missing #5 checkball. Control Valve Lower Body Inspect for worn, damaged, or sticking clutch select Checks Causes Torque Converter Housing with Inspect for worn, sticking, or damaged pressure Inspect for worn, sticking, or damaged pressure Inspect for worn, sticking, or damaged pressure Inspect for worn, sticking, or damaged isolator valve Inspect for worn, sticking, or damaged pressure relief Inspect for worn, sticking, or damaged pressure relief
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
ON-VEHICLE REPAIR INFORMATION TRANSMISSION FLUID FILLER TUBE AND SEAL REPLACEMENT REMOVAL PROCEDURE Inspect for damaged or porous pump cover assembly Inspect for excessive fluid pump rotor (217) Inspect for damaged fluid pump slide (212). Ensure Inspect for worn, sticking, or damaged fluid pump Inspect for worn or damaged fluid pump slide seal Inspect for worn or damaged fluid pump vane rings Control Valve Upper Body Inspect for worn, sticking, or damaged actuator feed Inspect for worn, sticking, or damaged clutch boost Fluid Filter Assembly (26) Inspect for damaged or restricted fluid filter assembly Inspect for damaged fluid filter seal assembly (25). NOTE: Data below covers ON-VEHICLE repair information. For off vehicle
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 25: View Of Transmission Oil Level Indicator 1. Unlock the transmission oil level indicator. 2. Remove the transmission oil level indicator. 3. Remove the transmission. Refer to Transmission Replacement.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 26: View Of Oil Level Indicator Tube & Transmission Seal 4. Remove the oil level indicator tube (1). 5. Remove the seal (2) from the transmission. INSTALLATION PROCEDURE
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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