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Fig. 59: View Of Magnet, Filter & Adapter, Drain Plug & Seal 1. Remove the drain plug (6) and drain plug seal (5). Drain the transmission fluid into a suitable container. 2. Inspect the drained fluid. Refer to Transmission Fluid Check. IMPORTANT: DO NOT drain the fluid if only the transmission external oil filter is being replaced.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
3. Remove the filter (4) by rotating in the counterclockwise direction. 4. Remove the magnet (2) from the filter adapter (1) in the converter housing or from the top of the transmission external oil filter (3). 5. Clean any metal debris from the magnet. Presence of any metal pieces larger than dust may indicate that transmission replacement or overhaul is required. Installation Procedure IMPORTANT: Use a standard strap-type filter wrench to remove the transmission external oil filter.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 60: View Of Magnet, Filter & Adapter, Drain Plug & Seal 1. Install the magnet (2) onto the filter adapter (1) which is in the converter housing. 2. Lubricate the gasket (3) on the transmission external oil filter with transmission fluid. 3. Install, by hand, the transmission external oil filter (4) until the gasket on the filter touches the converter housing. 4. Turn the filter ONE FULL TURN ONLY after gasket contact. 5. Install the drain plug (6) and drain plug seal (5). Tighten: Tighten the drain plug to 35 N.m (26 lb ft). 6. Refill Transmission with DEXRON®VI Automatic Transmission Fluid. Refer to Fluid Capacity Specifications . 7. Cycle the ignition until Drive or Reverse range is attained. 8. Check the transmission fluid level. Refer to Transmission Fluid Check. OIL PAN REPLACEMENT Removal Procedure NOTE: Turning the transmission external oil filter more than ONE NOTE: Refer to Fastener Notice . IMPORTANT: DTC P0701 may often set following fluid service. Cycling the ignition clears the code and allows Drive or Reverse range to IMPORTANT: Fluid remains in the external circuits and transmission cavities after draining the transmission.
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 61: Drain Plug, Drain Plug Seal, Filter & Oil Pan 1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle . IMPORTANT: It would be helpful to record the amount of transmission fluid lost during this procedure. Fluid in good condition, drained
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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