Post Your Successful Diesel Mods At Dieseldatabase

dieselMod

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 […]

12V Cummins Thermostat Replacement

thermo_01

Symptom/Condition: The vehicle may not warm completely, especially in cold ambient temperatures. This condition may be due to a thermostat that is stuck in the partial open position by debris in the cooling system. NOTE: THE COOLING SYSTEM USED ON THE CUMMINS DIESEL ENGINE EQUIPPED VEHICLES PROVIDES THE CAPACITY AND PROTECTION OF THE HIGHER GVWR […]

The Infamous Cummins 53 Block

53block001

Special Thanks to Stamey’s Website for this FAQ about the 53 Block What is the “53” block? The “53” comes from a casting number on the side of the block and is used to identify the problem blocks. Supposedly it affects about 100,000 blocks, but not only in Dodge Rams. Here is information regarding the […]

Cummins 12V Fuel PreFilter Cleaning

pre_filter04

The maintenance schedule in the owners manual indicates the “strainer” should be cleaned at 12000 mile intervals at the same time the fuel filter is replaced. This is for both the “A” and “B” maintenance schedules. In the instructions in the service manual for replacing the fuel filter it states “Whenever the fuel filter is […]

Gear Ratio Spreadsheet

icon_excel

Click the link below for the excel version of Gear Ratio Spreadsheet Gear Ratio Spreadsheet

APPS Repair

apps_r01

This guide addresses the construction, possible disassembly, and possible repair of erratic or failed APPS units. These throttle control units, APPS (Accellerator Pedal Position Sensor), most frequently seem to fail or become erratic in operation due to deteriorating contact between internal rotating fingers and the resistance track they ride on inside the APPS unit, causing […]

Dodge 12V Cummins Throttle Cable Replacement

throttle_02

Throttle cable failure has been common on 1994 – 1998 12 valve diesel engines, usually after about 30,000 miles on the cable. I am now on my third cable, and am curious to see if the new design will be more reliable. Twice I have managed to replace my cable in the nick of time […]

Dodge Cummins HTT Manifold

htt_manifold01

After much reading of folks having troubles with the OEM manifold cracking and the bolts coming loose from expansion and contraction I decided it was time for me to go to a 3 piece manifold, I opted for the unit from High Tech Turbo and purchased one from my friend Lazer Bob in Colorado, The […]

Crankshaft Position Sensor Replacement

crank_sens01

(1) you need to disconnect both negative battery cables at both batteries. I used a 1/2 inch deep socket to remove the cables from the battery terminals. (2) Remove starter motor to get to CKP. The sensor is located on the driver’s side of the engine with the starter motor placed in front of it. […]

P Pump Cutaway

p_pump01

I snapped these Photos at SDX Aneroid Fuel Plate Governor Arm Governor Spring Cover and Throttle Cable Connection Point Governor Springs Pump Cam Delivery Valves Together

Tips & Tricks for Better Fuel Economy

1. Air up your tires.Keeping your tires aired up to manufacturers specs can help your fuel economy up. 2. Leave your tailgate up!The tailgate up creates a vortex behind the cab which pushes air up over the tailgate. The tailgate down allows the air to push down on the bed creating drag. 3. Be easy […]

Another 24V Lift Pump Replacement Procedure

This is how I replaced the lift pump on my ’99 QC, 4×4. Not sure what variations may or may not accure on other models. Parts list…………..New lift pump, lift pump wire pig tail, banjo bolts washers (8), dielectric grease and approx 1/2 gallon of clean diesel. Tools ………. 3/8″ drive ratchet, 3 or 4 […]

How to adjust the idle speed on a Dodge Diesel

How do I adjust the idle speed on my Ram diesel? The idle speed seems too high. First, trace the accelerator linkage to the connection on the fuel pump. With the ENGINE OFF have someone floor the accelerator and watch the fuel arm move. The best position I can describe is that it is under […]

P7100 Injection Pump Timing

p7100_time05

THIS BULLETIN SUPERSEDES TSB. 18-10-94 DATED JUL.. 22, 1994. THE PART NUMBER FOR THE ENGINE TIMING TOOL PACKAGE HAS BEEN CHANGED TO SPX MILLER #6860. Models: 1994 (BR) Ram Truck Symptoms: Excessive white exhaust sake or lack of power. Diagnosis: Using the Mopar Diagnostic System (MDS) or the Scan Tool (DRB II or III) with […]

Rotary Axis Supply Pump Installation 24V CTD

icon_pdf

[thanks to K-O Engineering] Click the link for the pdf version of the RASP installation manual for the 24V CTD motor. RASP installation manual

Charger HP

charge1

The horsepower is calculated as a rough estimate using approx. 0.7*CFM=Race HP and 0.55*CFM=Daily HP. Turbo CFM Racing HP Daily HP HX35 600 420 330 HX40 800 560 440 T66 800 560 440 B1 900 630 495 H2E 1000 700 550 HX50 1000 700 550 HX55 1050 735 578 HT3B 1100 770 605 T76 1350 […]