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Resources for the Repair and Maintenance of your 1991 Dodge Ram Van B250

1991 Dodge Ram Van B250

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1991 Dodge Ram Van B250 Problems

Heating & Air Conditioning -- Verified

The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem develops.  There is also a revised vacuum check valve available to address this concern.

Heating & Air Conditioning -- Verified

The blower motor may operate erratically and the blower switch operation has a sticky or mushy feeling, the detents almost non existent. Our technicians tell us that the blower switch should be removed and inspected for overheating. This is common if the blower motor is frequently operated on high speed as the current flow through the switch tends to melt internal the components. Also carefully inspect all of the switch conne...

Heating & Air Conditioning -- Verified

The HVAC blower may operate on high speed only. This is commonly caused by a failed blower motor resistor. Chrysler has released a revised part to address this problem.

Engine -- Verified

On the 3.9L V6, 5.2L V8 and 5.9L V8 the Oil leaks commonly from the valve cover gaskets, intake manifold gaskets (front and rear), timing cover gaskets, distributor O-ring, and the rear main seal area. Using fluorescent engine oil dye can be helpful in determining the source(s) of the oil leak.

Engine -- Verified

One the 3.9L V6 and 5.9L V8 the carbon buildup on the top of the piston is common. As the buildup increases with mileage and over time, symptoms may vary from light ticking, to ticking/hammering, to hammering/knocking noises. Fuel injector cleaner often solves the problem.

1991 Dodge Ram Van B250 Questions and Answers

Noma, 1991 Dodge Ram Van B250, V8, San Francisco, CA

Started out today as a not being able to put the automatic transmission in PARK and key stuck in it. Got started in Neutral and made it home, but having trouble now also getting it into REVERSE. ...

Starrloves, 1991 Dodge Ram Van B250, V8, Hobart, IN

If it smell like it has a exaust films and I thinking of buying it for 500.oo is it worth it seems to run go started fine. but rusted bad on roof. and has a door entry problem. Air works

poetst1, 1991 Dodge Ram Van B250, 3.9L V6, Ocoee, FL

Where do I find the dyegnostic plug in my van.

Thomas Dusseljee, 1991 Dodge Ram Van B250, 5.9L V8, Casper, WY

how do i fix the park indicator and it is always in park?

Visitor, 1991 Dodge Ram Van B250, Newnan, GA

its an automatic trans

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