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2. If necessary, clean each side of the filter plate assembly and install the filter plate assembly back on the control solenoid (w/body and TCM) valve assembly. Clean the mounting 3. Bolt the DT-47825 to the control solenoid (w/body and TCM) valve assembly mounting surface. See Special Tools. Use the bolts and washers supplied with the tool to attach the 4. Connect the test harness supplied with the DT-47825 to the vehicle harness and to the TCM. See Special Tools. Engage the connector locks. 5. Connect shop air to the DT-47825 air inlet. See Special Tools. Do not exceed the recommended air pressure of 620.5-689.4 Kpa (90-100 psi). 6. With the ignition ON and the scan tool communicating with the vehicle, command the solenoid in question On and Off. Watch the air pressure gage for a change as you command 7. The solenoid should allow air pressure to flow or prevent air pressure flow depending on the solenoid state. The test results are read on the pressure gage. 8. Command the solenoid valve On and Off several times to determine the condition of the solenoid in question. Release the test air pressure from the pressure the gage between Control Solenoid (w/Body and TCM) Valve Assembly Solenoid Performance Test Plate to Solenoid Test Plate Port Key On, Engine Off (KOEO) Normal State Commanded State *Line PC Solenoid 1 G No flow to gage Increase/Decrease Approximately 68-103 Kpa (10-15 psi) per command PC Solenoid 2 C No flow to gage On - Full flow to gage Off - No flow to gage PC Solenoid 3 A Full flow to gage On - Full flow to gage Off - No flow to gage PC Solenoid 4 B No flow to gage On - Full flow to gage Off - No flow to gage PC Solenoid 5 F No flow to gage On - Full flow to gage Off - No flow to gage
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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