More actuator questions....
05-26-2021, (Subject: More actuator questions.... ) 
Post: #1
More actuator questions....
Hello all, 2012 Volvo, CM2250, 500hp, 1850 torque, 825K.
Long story short. My actuator is sticking. When it does I have no jakes, no throttle response,...
The last instance, a few days ago, I had to smack the side of the actuator while running the turbo hysterious test on insite. Once I heard it move it passed the test and drove home perfectly with no logged faults.

Today: I took the actuator apart per Rawze’s video series. The actuator has 438k miles on it and I was surprised to see it looked pretty good inside. All the bearings still have some grease, as did the turbo sector gear. There is little to no anodizing in the coolant chamber, and both assembled and disassembled everything seems to rotate smooth. The wiring harness looks good. I have not tested the circuit board yet with a multimeter.

My question is with no “smoking gun bearings” what could be making this thing stick where I can smack it and it will break free???

Rawze, have you ever encountered an actuator with a bad motor???

Anybody have any ideas on the best place to get a replacement. I understand the bearings are hard to get right now and if it a bad spot on the motor armature that wouldn’t help anyway.

Does YTS sell actuators as well as turbos??

Thanks in advance, JMBT


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More actuator questions.... - JMBT - 05-26-2021



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