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4. Use the scan tool to inspect for any active or stored diagnostic trouble codes. 5. Inspect the manual linkage at the transmission for proper function. 6. Turn the engine OFF. 7. Remove the pressure plug. 8. Install the J 21867 . 9. Access the Scan Tool Output Control for the PC Solenoid. 10. Start the engine. 11. Begin commanding PC Solenoid at 1.0 amp and lower the amperage in one-tenth increments (0.01) until maximum line pressure is achieved. 12. Allow the pressure to stabilize between increments. 13. Compare your pressure readings to the Line Pressure table. Refer to Line Pressure . 14. If the pressure readings vary greatly from the line pressure table, refer to Oil Pressure High or Low. 15. Turn the engine OFF. 16. Remove the J 21867 . 17. Install the pressure plug. Tighten: Tighten the pressure plug to 8-14 N.m (6-10 lb ft). IMPORTANT: It may be necessary to remove or disconnect components in order to gain access to the transmission line pressure test IMPORTANT: In order to achieve accurate line pressure readings, the following procedure must be performed at least three times 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
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