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3. Disconnect the supply and waste hoses and the 12-volt power source from the vehicle. Fig. 22: Applying Shop Air Supply Hose To Quick-Disconnect 4. Disconnect the air supply hose from J 45096 . See Special Tools. 5. Dispose of the waste oil in accordance with all applicable federal, state, and local requirements. TRANSMISSION FLUID COOLER FLUSHING AND FLOW TEST (J 35944-A) GM studies indicate that plugged or restricted transmission oil coolers and pipes cause unit when the air supply is disconnected. This is a normal
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
insufficient transmission lubrication and elevated operating temperatures which can lead to 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. Tools Required 2. Preparation IMPORTANT: Use the J 35944-A or equivalent to flush the transmission oil cooler and the oil cooler pipes whenever the transaxle is Torque converter Oil pump Oil pump drive shaft Drive sprocket support Transaxle overhaul complete Transaxle assembly replacement IMPORTANT: Use the J 35944-A or equivalent to flush the transmission oil cooler and the oil cooler pipes whenever the transmission is Torque converter Oil pump Turbine shaft Transmission overhaul complete Transmission assembly replacement
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
3. Back Flush 4. Forward Flush 5. Flow Check 6. Clean-up Tools Required J 35944-A Transmission Oil Cooler Flusher. See Special Tools. J 35944-22 Transmission Oil Cooler Flushing Fluid. See Special Tools. J 35944-200 Cooler Flushing Adapter. See Special Tools. Measuring cup Funnel Water supply, hot water recommended Water hose, at least 16 mm (5/8 in) ID Shop air supply, with water/oil filters, regulator and pressure gage Air chuck, with clip if available Oil drain container Pail with lid 19 L (5 gallon) Eye protection Rubber gloves PREPARATION 1. During the installation of the repaired or replacement transmission, do not connect the oil cooler pipes.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 23: Identifying Flusher Tank & Components NOTE: Do not use solutions that contain alcohol or glycol. Use of IMPORTANT: The J 35944-22 is environmentally safe, yet powerful enough to cut through transmission fluid to dislodge any
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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