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  1. Medium Duty Trucks
    There are tons of threads about air ride seats, but I didn't see one that covered my issue. I have a 2009 C5500 Topkick with a drivers air ride seat. The compressor comes on and does inflate the bag. Not sure if it's filling to the pressure required, but the seat does rise up. However, when I...
  2. Medium Duty Trucks
    Hey guys new to the forum . I have a crazy question . Just purchased a 2003 c5500 duramax .. pull the hood forward and discovered the Motor has to oil filler caps . one on top and one right center side .. Can anyone explain this ?
  3. Duramax Second Generation: 2004.5-2005 (LLY)
    So long story short I bought an 05 2500 with a screwed motor and bought an 04.5 LLY that was out of a C5500, swapped all necessary items and opted to stick with the 2500s injectors (new reman), wiring harness and other modules to ensure there wouldn’t be any issues. Now trying to get it to fire...
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