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2. Install the TCC solenoid valve, the 1-2 shift solenoid valve or the 2-3 shift solenoid valve into bore number 2 of the J 44246 and install the factory retainer clip to retain the solenoid. Fig. 6: View Of Solenoid Testing Harness And Solenoid IMPORTANT: The supplied solenoid testing harness will not power the 4L60-E TCC On/Off solenoid. To energize this solenoid, apply
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
3. Connect the solenoid testing harness supplied with the J 44246 to the solenoid. See Special Tools. 4. Apply compressed air to the J 44246 . See Special Tools. 5. Air should flow through the solenoid. If air does not flow through the solenoid, replace the solenoid. Refer to Control and Shift Solenoids Replacement. 6. Connect the solenoid testing harness to the 12-volt positive (+) and negative (-) battery terminals. 7. Observe if the solenoid is operating electrically. An audible clicking noise can be heard when connecting or disconnecting power. 8. Observe the air flow through the solenoid. The flow will completely or nearly completely stop. Replace the solenoid if there continues to be an obvious air leak when the solenoid is 9. Install the shift solenoid valve into the control valve body or the TCC solenoid valve into the transmission case. Refer to Control and Shift Solenoids Replacement or Torque Converter Clutch Pulse Width Modulation Solenoid, Torque Converter Clutch . TRANSMISSION FLUID COOLER FLUSHING AND FLOW TEST (J 45096) kit J 35616 . Use terminal E, Red, Power, and terminal T, IMPORTANT: Do not use air pressure in excess of 827.4 kPa (120 psi). Excessive pressure will not allow the solenoid ball check IMPORTANT: All solenoids need to be energized to seal. A small amount of air leakage is normal +/- 21 kPa (+/- 3 IMPORTANT: Inspect the O-rings after the test to be sure that they are not cut or damaged.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
GM studies indicate that plugged or restricted transmission oil coolers and pipes cause Only GM Goodwrench DEXRON®VI automatic transmission fluid should be used when doing a Time allowance for performing the cooler flow checking and flushing procedure has been COOLER FLOW CHECK AND FLUSHING STEPS 1. Machine Set-up 2. Determine Minimum Flow Rate 3. Back Flush 4. Forward Flush 5. Flow Test 6. Code Recording Procedure 7. Clean-up Tools Required J 35944-200 Cooler Flushing Adapter. See Special Tools. J 45096 Transmission Oil Cooling System Flush and Flow Test Tool. See Special Tools. Shop air supply with water/oil filters, regulator and pressure gage-minimum 90 psi Eye protection Rubber gloves MACHINE SET-UP IMPORTANT: Use the J 45096 or equivalent to flush and flow test the transmission oil cooler and the oil cooler pipes after the
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 7: View Of Main Power Switch & Main Function Switch 1. Verify that the main power switch (1) is in the OFF position. 2. Place the main function switch (2) in the IDLE position.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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