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What are the maintenance requirements for each type of device (DOC, DPF, and CCV)?

April 26, 2017ccv device DOC dpf maintenance requirements type

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What are the maintenance requirements for each type of device (DOC, DPF, and CCV)?

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DOCs essentially require no maintenance except for a periodic visual inspection of brackets and hangers. DPFs, due to their reliance of wall flow filters, will capture all of the lube oil ash that would normally go out the tailpipe as lube oil is consumed. As such, a periodic cleaning of the filter is necessary as the backpressure of the system increases. Visual inspections of hangers, bolts, backpressure monitors are also recommended. CCVs require periodic filter replacement.