D13 and with i shift, vibration using stage 3 engine brake.
Discussion in 'Volvo Forum' started by 05vnl670, Jul 21, 2018.
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I had that issue. Checked all engine brake pistons and one of them was loose .50k miles later works perfect.
KB3MMX and Newto Trucking Thank this. -
I usually redline my Kitty Jacobs stage three. No worries luckily.
I bet KMX's thought is the key.KB3MMX Thanks this. -
Its the engine brake plungers
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What others have said, engine break plungers, engine break pistons, whatever you want to call them works. What Volvo calls them is the VEB system or Volvo exhaust brake, the nuts back off and you can either have them re-torqued with red loctite, (disclaimer typically not a permanent fix per mechanic). Or can replace them with the new Volvo design that is suppose to fix this known problem. From my understanding if you are under 500k this is a warranty replacement, if not, parts are going to cost about 4k with another 1k labor. It is not typically performed during a valve adjustment, why? Who knows. It shouldn't cost more than about an hour of labor to add that to the valve adjustment since you are already there with everything all opened up. Mine is getting done today at a lot much much lower cost than replacement and I figure 5k = a lot of adjustments in the future prior to inframe or rebuild.
I'll try to remember to come back and provide some feedback after getting back out there.
2015 780 with 830k
Early is on time and on time is late................... -
Update on above: Overhead was $450 and the worked the VEB adjustment in at $155. It did help however there still is a vibration so I have a few other things to check. Now, not sure if anyone has had to buy valve cover gaskets...apparently Volvo came up with the smart idea to use two, ok no big deal except they cost $300 each. Really Volvo!?! Feel like I took it in the ##* ridiculous!
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