I have a 95 175hp p pump that is going on an older engine in place of a ve pump that is giving out on me. The engine (including the pump) was 100% stock, and was set at 12.5 degrees timing. I am thinking of setting it to about 17 degrees. The 12v Cummins engine (this one is getting the p pump)...
So I have the standard Question. I wanna put a RPM spring in my trucks and i dont want to pay someone to do it. I want to learn how to rebuild my injection pump my self so i can do all of my own work. Make sure it is done right.:banana: so i figure anyone can take it apart and put it back...
EDIT, this post is a how to tare the pump apart, and some of the inner workings. Post #3 Is how to modify the pump. Maybe not explained, but I decided to grab some pics of my spare PS pump. Take out the outlet fitting on the pump, and the (2) 18mm bolts and the resivior should come off with...
A common issue is a wire getting tugged loose or chafed during the starter removal. 2. ECM to Lift Pump Wiring: The lift pump is controlled directly by the ECM (no relay in some cases, despite the one you checked). The ECM sends power to the lift pump via a transistor, and a damagedwire here could cause your issue.
The vacuum pump can leak however, as it is lubricated by pressurized oil from the engine's oiling system. A vacuum pump seal kit can be had at your local cummins dealership for less than $10 (I think I paid $8).