Silverado 1500 4WD V8-6.0L Hybrid (2009)
10. Apply20 psi (138 kPa) pressure with J 24460-01 - pressure tester (4).
11. Monitor the pressure tester gauge for 5 minutes and ensure that pressure remains at the specified value.
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If the specified pressure cannot be maintained, disassemble the drive motor generator control module assembly and replace the coolant seal.
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If pressure remains at the specified value, proceed to the next step.
12. Remove all GE-48494 - adapter kit components.
13. Remove the PIM cover retaining bolts (1).
14. Remove the PIM cover (2).
Caution: Always remove and install the High Voltage terminal fasteners with a magnet tipped socket. Never touch the exposed electronic circuit
board surface or components. Dropped fasteners or physical contact may result in electronic circuit board damage.
15. Install the HV dc APM terminal fasteners (1) utilizing a magnetic socket. Tighten the terminal fasteners to 9 Nm (80 lb in) .