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5. Rotate the tool until the upper locator pin on the tool is lined up with the slot on the top of the switch. Tighten: Tighten the bolts to 25 N.m (18 lb ft). 6. Remove the J 41364-A from the switch. See Special Tools. If installing a new switch, remove the positive assurance bracket at this time. 7. Install the transmission control lever to the manual shaft with the nut. Tighten: Tighten the nut to 25 N.m (18 lb ft). Fig. 60: View Of PNP Switch Electrical Connector
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
8. Connect the PNP switch electrical connector (2). 9. If equipped with 4WD, install the front propeller shaft. Refer to Front Propeller Shaft Replacement . 10. Lower the vehicle. 11. Check the switch for proper operation. The engine must start in the park (P) or neutral (N) positions only. If proper operation of the switch can not be obtained, replace the switch. PARK/NEUTRAL POSITION SWITCH ADJUSTMENT 1. Place the transmission range selector in the neutral (N) position. 2. With an assistant in the drivers seat, raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle . 3. Loosen the park/neutral position (PNP) switch bolts. 4. With the vehicle in the neutral (N) position, rotate the switch while the assistant attempts to start the engine. 5. Following a successful start, turn the engine off. 6. Tighten the PNP switch bolts. Tighten: Tighten the bolts to 25 N.m (18 lb ft). 7. Lower the vehicle. 8. Check the PNP switch for proper operation. The engine must start in the park (P) or neutral (N) positions only. IMPORTANT: The following procedure is for vehicles that have not had the Apply the park brake. The engine must start in the park (P) or neutral (N) positions Check the PNP switch for proper operation. If adjustment is NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
9. Replace the PNP switch if proper operation can not be achieved. Refer to Park/Neutral Position Switch Replacement. AUTOMATIC TRANSMISSION FLUID AND FILTER REPLACEMENT Removal Procedure 1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle . 2. Place a drain pan under the transmission oil pan. 3. Remove the oil pan drain plug, if equipped. 4. If necessary, remove the bolts and position aside the range selector cable bracket for clearance while lowering the pan. It is not necessary to remove the cable from the lever or 5. Remove the catalytic converter. Refer to Catalytic Converter Replacement (4.3L) or Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) or Catalytic Converter 6. Remove the oil pan bolts from the front and sides of the pan only. 7. Loosen the rear oil pan bolts approximately 4 turns. 8. Lightly tap the oil pan with a rubber mallet in order to loosen the pan to allow the fluid to drain.
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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