Post Your Successful Diesel Mods At Dieseldatabase

Have you completed a successful mod on your diesel truck? and did you take pictures and discovered tips that might help others? Your post is welcome here. All you have to do is register on this site. Then contact us via the the contact form on the ABOUT page (see menu), letting us know you […]

A Recommendation for Trailer Pullers

I pull a 27 foot fifth-wheel RV trailer. I’ve had it all over the West. As you know, there is a hill or two out here. In fact just south of my town, Bend, Oregon, there is a grade that slowed my previous truck with this trailer to 45 mph top speed. I’ve always hated […]

12V Cummins Fuel System Diagram

Here is a diagram for the 12V Dodge Cummins Fuel System. [Click on image for larger version]

Dodge 24V Cummins Lift Pump Replacement

Procedures for a 1999 Ram NOTE: You may be able to improve this but this is exactly what we did and changed two pumps in less that two hours) TOOLS: 17 mm wrench & socket, 10 mm wrench & socket, 7/16 socket, 1/2 inch socket. 1. Lay a non-conducting material over the battery posts (fender […]

Two Wheel Drive Low

The important thing is the 2 port vacuum switch…you need to get one that is ‘open’ when it’s in the off position so vacuum can flow through normally. I used a Nippondenso EGR vacuum switch for a Honda Civic. They never break! The rest of the parts list is simple and small: Rocker switch (I […]

12V Cummins Governor Lever Adjustment

Here is the ins and outs of the secret governor lever adjustment This is a cut away view of the governor of a P7100 pump. Notice how the lever hit the cam plate flush at the very bottom edge. To check your adjustment the throttle lever needs to be moved until the lever just touches […]

Stewart Warner B806 Exhaust Temp Gauge Install Sheet

Click the link below for the pdf version of Stewart Warner B806 Exhaust Temp Gauge Install Sheet Stewart Warner B806 Exhaust Temp Gauge Install Sheet [thanks to Stewart Warner used with permission]

Stewart Warner B749 Gauge Install Sheet

Click the link below for the pdf version of Stewart Warner B749 Gauge Install Sheet Stewart Warner B749 Gauge Install Sheet [thanks to Stewart Warner used with permission]

Boost Gauge Installation on Dodge Cummins

1. A hole must be drilled and tapped into the intake crossover pipe for a boost source. 2. Remove the hose from the intake crossover pipe and push a rag well into the pipe past the point to be drilled and tapped. This will prevent chips from entering the engine. 3. Drill through the back […]

Clutch Replacement

TOOLS: Tranny jack 2 or 3 ratchet straps porta power (this will make removing the cross member MUCH eaiser) A bottle jack and a piece of 4×4 will work in a pinch. Drill a hole in the end of the 4×4 to allow the bottle jack shaft to go in the 4×4 a couple of […]

Cummins 12V Idle Adjustment

Adjusting the idle speed on the diesel engine is not difficult. The adjustment is located on the driver side of the injector pump near the rear of the pump. You will need a 10 mm wrench. Correct speed is: 1994-1998 with AT – in drive with AC on 750 -800 RPM 1994-1998 with manual in […]

Exhaust Stack Gallery

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Dodge 24V IAT Sensor Cleaning

This is an article for cleaning the IAT sensor on the 1998-2002 24V diesel engine. The IAT sensor measures the temperature of the intake manifold. The ECM uses this sensor reading to set injection timing and adjust the air-fuel ratio. If the fuel mileage and power output of you engine seem low, some owners have […]

Inspecting the Water Pump Weep Hole on Dodge Diesel Trucks

Use a pipe cleaner or a piece of wire to knock scale and dirt from the water pump weep hole. 1st and 2nd generation (every 12000 miles): 1: From above and just in front of the alternator pulley, look down to the water pump. 2: The weep hole is at about the 7:00 position, below […]

Dodge Towing Specifications

When Equipped with Cummins Turbo Diesel Dodge RAM 2500 RAM 2500 Reg Cab 4×2 Long Bed Quad Cab 4×2 Short Bed Quad Cab 4×2 Long Bed Trans/Axle GCWR Payload Curb Wt Tow Wt Payload Curb Wt Tow Wt Payload Curb Wt Tow Wt A4/3.55 16,000 3,120 5,679 10,150 2,820 5,981 9,850 2,700 6,096 9,750 A4/4.10 […]

Turbo Silencer Ring

A silencer ring is a metal baffle placed into the turbocharger inlet to reduce whistle from the turbocharger. It is installed in Ram truck engines at the request of Chrysler. The silencer ring has no effect on engine output, EGT, or boost levels. Removal: Remove the flex hose from the front of the turbo that […]