Silverado 1500 4WD V8-6.0L Hybrid (2009)
1. Install new APM coolant seal (3).
2. Position the APM (2) onto the PIM ensuring the seals remain in place.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution) .
3. Install the APM mounting fasteners (1). Tighten the mounting fasteners to 10 Nm (89 lb in) .
4. Rotate the drive motor generator control module assembly onto the APM.
5. Clamp GE-48494 - adapter kit components (2, 3) to a coolant pipe.
6. Plug the remaining coolant pipe with GE-48494 - adapter kit plug and clamp (1).
7. Apply20 psi (138 kPa) pressure with J 24460-01 - pressure tester (4).
8. Monitor the pressure tester gauge for 5 minutes and ensure that pressure remains at the specified value.
*
If the specified pressure cannot be maintained, disassemble the drive motor generator control module assembly and replace the coolant seals.
*
If pressure remains at the specified value, proceed to the next step.
9. Remove all GE-48494 - adapter kit components.