Yukon Denali 2WD V8-6.0L Hybrid (2010)
3. 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.
4. 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.
5. Remove the drive motor generator power inverter control module (PIM) cover fasteners (1).
6. Remove the PIM cover (2). Discard the cover seal (3).
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.