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Ram 3500

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Question
Truck died after running for 1 min or so and now wont even turn over batt and starter are good
The batteries must actually be tested as good. The cables and connections at the batteries and starter should be clean and tight. Voltage must be present at the small wire at the starter solenoid when the ignition switch is in...
Question
Timing gear cover leaking
It is more common for the valve cover to leak rather than the timing cover. The timing cover may be saturated from the leaking valve cover. When diagnosing an oil leak, it is important to start from the highest point...
Question
no power to fuel sending unit in tank
The fuel pump relay in the engine relay box powers the fuel pump to run, but the fuel pump relay is turned on and off by the engine control module on pin 19 brn/wt wire grounding the circuit. You will...
Question
Satellite Uconnect
Hello. Yes the new version of Uconnect is much better. The update patches up inconsistent bluetooth and satellite signal communications. Updating the radio with the new firmware should greatly improve if not resolve your issue. If you still run into...
Question
Dashboard lights not working
Hello, you can turn the service lights off by disconnecting the negative battery cable for a few hours. To help find the pulled wire, have the dealership or technician use a scan tool capable of diagnosing canbus lines. The test will...
Question
Headlights won't stay on
Hi. Usually when this happens it is due to the output of the ballast being unsteady. The new ballast may be defective which is causing your issue, which is somewhat common. Also, the ballast may not be receiving the proper...
Question
A/C system failure
Hello. The clutch engaged with the heat on may cause your problem. Doing this may cause your HVAC control module to become out of sequence. It also could be low on refrigerant but I suggest to recalibrate the HVAC control module first. I'd...
Question
No trailer running lights
Hello. The trailer could be wired wrong. It also could be a blown fuse or relay. There is a running light fuse under the hood and a relay behind the rear bumper. Either one being blown will cause your issue....
Question
Van overheats
Hello. Yes there are two key things that I recommend you or your technician check. Check the hoses, radiator, and engine block for clogging. A clog in those components will restrict the coolant system from being able to circulate. Also,...
Question
At 60 to 70 there is a very good vibration if I turn the over drive off I don't fell it
I would recommend starting with the simpler things first such as checking the drive shaft U-joints. Also, check to be sure the tires and wheels are properly balanced and rotated. I have seen this happen quite commonly when the drive...
Question
Overcharging 18volts +
The shop was correct about how the ECU controls the field current of the alternator which will cause the alternator to charge the batteries. If the wire on pin 57, the dark green with orange stripe wire at the ECU,...
Question
Check engine light came on and it sounds like one or two cylinders are not running.
Hello. If the Check Engine Light is on, then the first thing I would do is retrieve the trouble codes. The Check Engine Light is likely related to your performance issues and retrieving the trouble codes may reveal some information...
Question
AC Compressor Runs All the Time With No cooling in Cab
If you are measuring no pressure in the system, then you have a leak and will have to find where the leak is. If you don't have a leak detector, then you should obtain one or get a professional with...
Question
Brake dust
Asbestos was, and in some cases is still, used in the brake lining and clutch materials on many modern vehicles. It offers good strength, temperature, and chemical resistance and is cheap compared to other materials that are used for the...
Question
Rear tires on passenger side locked up
I would not drive the vehicle until it is looked at, as it is possible for the fault to cause an unsafe driving condition. When a brake locks up without any reason, it is most likely caused by a failure...
Question
I have 137,000 miles just bought truck warning light came on PDF 100 blocked what do I do
The diesel particulate filter (DPF) is used to trap particulate matter and keep it from being released into the atmosphere. Every so often, the DPF must go through a regeneration process in which the particulate matter is burned. Pressure sensors...
Question
When replacing the oil cooler do i need to put O rings on it as well? 2002 Dodge 3500 CummingsDiesel
Hi - yes, absolutely change the o-rings. They get brittle with heat and age, lose their resilience, and you have oil leaks. If you would like assistance with this task, I would recommend having the oil cooler replaced by a...
Question
knocking in my engine
I'm assuming the truck has the 5.9ltr Cummins engine. While I cannot say if the engine is "shot" without looking it over myself, this engine has a 12 quart capacity. Being low 5 quarts is nearly 50% low on oil....
Question
Oil is green in color.
Hi there. Diesel fuel has a green tint to it. It is possible that the fuel has gotten into the oil, but most likely the diesel will just thin out the oil. If the oil if light bright green in...
Question
What is causing my truck to make a grinding noise when I shift it into drive or when I come to a stop
Hi there. If the gears are not engaging and there is a grinding noise, it is commonly due to a front pump failure or main shaft damage inside the transmission. I recommend having a certified technician, such as one from...

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