Overview
The transcript details the step-by-step process of removing and replacing the AC compressor on a Yukon Denali 1500, highlighting challenges, tool use, and reassembly steps.
Preparation and Disassembly
- Removed the passenger side tire and moved the splash guard to improve access to the compressor.
- Noted that space for bottom bolts was very limited, requiring specific wrenches and extensions.
- Approached the compressor removal from both the wheel well and the engine bay for better reach.
- Spun the compressor before removal to check for abnormal noise.
Removing the Old Compressor
- Disconnected the two lines and electrical connector from the compressor.
- Used a half-inch extension with a swivel to access and remove the stubborn rear bottom bolt.
- Found that taking off the lower fan shroud improved clearance to maneuver the compressor out.
Installing the New Compressor
- Added pre-measured oil (three ounces) to the new compressor before installation.
- Kept protective caps on the new compressor until it was ready to be installed.
- Installed new O-rings on both refrigerant lines before reconnecting.
- Slid the new compressor into place, first past the fan, then backward through the opening.
Reassembly and Final Steps
- Secured both bottom and top bolts to mount the new compressor firmly.
- Reconnected the wiring harness and refrigerant lines, ensuring new O-rings were used.
- Reinstalled the AC belt, serpentine belt, fan shroud, and intake components.
- Began evacuating the AC system to remove air before recharging.
Tools and Tips
- Extensions and swivel sockets were essential due to the tight space, especially for bottom bolts.
- Removal of select covers and the fan shroud was necessary for sufficient clearance.
- Double-check all bolts, lines, and electrical connections during reassembly to ensure proper operation.
Action Items
- TBD – Owner: Complete the evacuation and recharge of the AC system to finalize the repair process.