What causes a Garrett DMAX Turbo vane to stick?

Garrett Dmax VGT turbo vane control sticking issues. Commonly associated with DTC P2563 P2564 and P003A on LLY LBZ and LMM Duramax engines. The cause is the unison ring sticking on the pilot. This is due to corrosion from corrosive condensation.

What causes the pilot to stick on a Duramax engine?

Commonly associated with DTC P2563 P2564 and P003A on LLY LBZ and LMM Duramax engines. The cause is the unison ring sticking on the pilot. This is due to corrosion from corrosive condensation.

How can I Keep my turbo vanes from sweeping?

I use my tow brake daily just to keep the vanes sweeping. Spraying anything in the exhaust side of the turbo would be pointless I use my tow brake daily just to keep the vanes sweeping. Spraying anything in the exhaust side of the turbo would be pointless Click to expand… Maybe I should start doing this. I have sticky vanes

How do you remove a turbo from a car?

The driver side up pipe needs to be loosened. Probably easiest to remove all bolts and leave it float loose behind the head. The heat shield will need to be bent to be removed prior to removing the turbo and we trim it on the passenger side before reinstalling. The AC compressor can be unplugged and unbolted and laid off to the side to make room.

Why are the vanes on my Turbo sticking?

More than likely the vanes inside the turbo have jammed, this is due to carbon build up and its fairly common. First thing is make sure they are sticking before removing turbo. Checking if the vanes are sticking.

Commonly associated with DTC P2563 P2564 and P003A on LLY LBZ and LMM Duramax engines. The cause is the unison ring sticking on the pilot. This is due to corrosion from corrosive condensation.

How to remove Turbo and clean’sticky’vanes?

First thing is make sure they are sticking before removing turbo. Checking if the vanes are sticking. Get underneath the car with the engine running, remove any undertrays to gain access to turbo and locate the turbos actuator.