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ABNORMAL ACTIVITIES OR RESPONSES ON-VEHICLE REPAIR INFORMATION TRANSMISSION CONTROL MODULE REPLACEMENT to Automatic Transmission Fluid and Incorrect fluid level Correct the fluid level. Refer to Transmission Low main pressure Repair the transmission. Intermittent conditions Inspect the wiring harnesses and connectors. Loose or damaged speed gear Tighten the output flange bolt or replace the Sticking valves in the control valve body Overhaul the control valve body assembly. Leaking pressure control solenoids Repair or replace the pressure control Condition Action Excessive Creep in First and Reverse Gears Engine idle speed too high Adjust to the correct idle speed. Vehicle Moves Forward in Neutral 1-2-3-4 clutch failed or not released Rebuild the 1-2-3-4 clutch. Vehicle Moves Backward in Neutral 3rd, 5th and reverse clutch failed or not Rebuild the 3rd, 5th and reverse clutch
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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