Cummins isx timing
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Electromechanic, Apr 16, 2021.
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Why do you figure its wrong?
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The ECM knows its in time. If not it throws a fault code.
The CM 870 and 871 are a tad more detailed than the newer commonrail engines due to the fact that they can be dialed in by valve and injection timing. But for the most part if its not within a cerain window it will do the same.Last edited: Apr 16, 2021
spsauerland and Dave_in_AZ Thank this. -
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When I insert the wedges into both cams and set timing and then rotate to A mark which valves should be adjusted first ?
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"A" will be cylinder #1 or #6. "B" will be #2 or #5 "C" will be #3 or #4. To know if you are #1 or #6 when on "A" look at the injector rocker. Whichever just started it's downstroke is the correct cylinder. The intake and exhaust valves should also be completely closed. After determining that, follow firing order 1,5,3,6,2,4
Heavyd, haycarter, spsauerland and 3 others Thank this. -
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I don't understand what you trying to do. Did you use crank pin and wedges to set timing?
Go to cummins quickserve.com for manuals. -
QUALITYTRUCK and spsauerland Thank this.
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