Medium and Heavy Trucks
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Just rotating the housing should not cause any issue. I move them all the time as all REMAN units are never aligned correctly.
The issue would likely be from debris in the air lines or other issues affecting oil pressure.
Also, the dealer would question if you pre-lubed the cartridge during assembly and if the oil has been changed or if debris could be in the oil.
Since they did not install it, it is difficult to prove it is a warrantable failure. It may depend on your relationship with the dealer and if they view your work as reliable.
You may want to collect an oil sample and have it tested for contamination. A looming bearing problem could also add debris to the oil.
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