Someone expressed concern in another thread about this. We have both the 7/70 and DCJ 7/100 ESP. I have always returned the rig to "stock" before visiting the dealer, which includes removing fuse #17 to disguise the presence of the Cummins lift pump.

Problem is, the rig would not start when it was time to remove it from the shop due to a leak I did not know was there. The fuel heads were on at least a 3 week backorder, so I reluctantly revealed the presence of the lift pump so we could drive it out of the shop.

3 weeks later, they installed the fuel head, new wiring harness and new clutch packs in the diff, all for a total of $100. No apparent complaints about the lift pump other than a comment about the fuse being in the cupholder because, "You won't need that anymore!"

So, still no warranty issues with a lift pump, so far.

DOC

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2005 KJ CRD Ltd Detroit TrueTrac Bilsteins G2 GDE "HOT" ECU GDE TCM "Tow Tune" "euro" TC SEGR Weeks Elbow New HG at 130K ARPs Clean CAT aFe Filter Magnaflow Exhaust EHM Cumminos In-Tank Lift Pump Hayden Fan Clutch Nylon Fan VH Enabled with GDE lower shutoff point Recalibrated Temp Gauge Tekonsha Prodigy Sears P-1 ZDDP