Cm870 tick

[Chamberpains]

I don't know if you'll actually "fix" it. My cm870 made the same noise's on the million mile engine and still makes the exact same ticking when letting off the accelerator and Jake rocker slapping on the new Cummins Cert. Reman'ed Long Block I had put in. I don't know if it's the nature of the cm870 or there is an actual problem. I've checked and adjusted everything on the overheads on both engines. Had the solenoids and detent springs replaced on the old engine. The new engine came with all brand new overhead parts and still the same noise's. If you get your's to stop please post what it took. I'd love to know.

The Jake rocker slapping, I can get to do it when the Jake switch is on and my foot very light on the accelerator pedal. It's almost like the Jake solenoid is getting commanded to engage slightly but not fully causing the slapping around. It stops and doesn't do it under idle and acceleration. Only coast and deceleration and stops after about 5-7 seconds of either happening.