Tag Archives: 12v

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 […]

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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 […]

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Cummins 12V Fuel PreFilter Cleaning

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 […]

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Dodge Cummins 12V Dowel Repair

Several people on the TDR website showed interest in learning more about the work involved in replacing a broken timing gear housing from damage caused by the upper dowel pin working its way loose. You first remove the bumper, fan, radiator and loosen the A/C condenser. It is possible to remove the intercooler without breaking […]

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12V Engine Diagram

Here is a Dodge 12V Cummins Engine Diagram Click on the image for a larger version.

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