1992 Dodge Ram Van B350 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1992 Dodge Ram Van B350

1992 Dodge Ram Van B350 Problems

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 connector terminals for discoloration due to overheating and replace as required. A poor electrical contact at the connector will also cause the switch to overheat.

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.

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.

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1992 Dodge Ram Van B350 Questions

I was wondering if anyone knows where to get door latches for the front doors?

While driving, the air conditioner blows cold air, but when I go up a hill or step on the gas the fan blows out hot air. Is there a vaccuum leak? If so, how can I find it?

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