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Removing rear AC lines at evaporator
Epilog... The heat apparently melted the factory seal in the evaporator at the junction of the high side tube and the connecting block. Evaporator was slowly leaking and 134A/oil stinks. Held vacuum OK but lost charge in a few days. New GM evaporator comes with a new expansion valve too, so I...- KVacek
- Post #5
- Forum: Engine & Drivetrain
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Removing rear AC lines at evaporator
They weren't seized on the studs as much as the seals having welded themselves onto both parts. If you need to do this job, it's probably not as hard as it seems. After lots of heat and dry ice (thermal cycling), and a trip to an A/C shop that couldn't get the lines off either, I persisted and...- KVacek
- Post #4
- Forum: Engine & Drivetrain
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Tighten gas cap
On my 2005 Yukon Denali XL I changed the vapor canister vent solenoid first based on a recommendation. Under the car, hard to get the hose off. When that didn't change anything I replaced the vapor canister vent purge valve under the hood. Easy to do, still didn't fix it. Finally replaced...- KVacek
- Post #14
- Forum: Engine & Drivetrain
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Removing rear AC lines at evaporator
Ummmm, thanks for the bad news ;-) As I figured... To get the old connectors off the evaporator I was just going to slice across the aluminum along the stud. Gotta come off then, doesn't it?- KVacek
- Post #3
- Forum: Engine & Drivetrain
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Removing rear AC lines at evaporator
2005 Yukon Denali XL Need to replace the seals at the rear evaporator connection, under the vehicle, but cannot get the connections free. Nuts came off fine and I've tried heat and penetrant, but the connection aluminum blocks are seized on their studs. Asked a great independent shop, he said...- KVacek
- Thread
- Replies: 4
- Forum: Engine & Drivetrain
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NNBS Stuff
Anyone know if the nav unit will fit an 05 Yukon Denali XL? If so is it plug compatible and does it have an aux audio input or Bluetooth, etc?- KVacek
- Post #11
- Forum: Parts & Accessories For Sale
