Silverado 1500 2WD V8-6.0L Hybrid (2009)
Drive Motor Control Module: Service and Repair
Drive Motor Generator Power Inverter Module Removal and Installation
Drive Motor Generator Power Inverter Module Removal and Installation
Special Tools
*
GE-48494 - Power Electronics Pressure Test Adapter Kit
*
J 24460-01 - Cooling System Pressure Tester
Removal Procedure
1. Remove the drive motor generator control module from the vehicle. Refer to Drive Motor Generator Control Module Assembly Replacement (
See: Drive Motor Generator Control Module Assembly Replacement) .
2. Remove the temporary coolant pipe caps (1).
Caution: The module must be drained of all residual coolant prior to disassembly. Failure to properly drain all residual coolant may cause
electronic circuit damage to occur during disassembly.
Note
Place a container under the coolant outlet pipe to capture the escaping coolant.
3. Drain the drive motor generator control module assembly of residual coolant by applying 30 psi regulated compressed air to the coolant inlet pipe
until no coolant remains.