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.
Resources for the Repair and Maintenance of your 1992 Dodge Ram Wagon B350
1992 Dodge Ram Wagon B350
1992 Dodge Ram Wagon 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 conne...
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.
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.
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.
1992 Dodge Ram Wagon B350 Questions and Answers
I need to know where the crank position sensor is located; this is a hopeful fix to this issue no one has been able to resolve; guy who sold it to me put a brand new alternator in and still had the...
my mechanic has replaced computer 3xs, new distributor, replaced ASD twice. when it runs its the best its been in years, but dies. 70,000miles on van, very low mileage. he is at his wits end and su...
Have no tail lights now at all, no turn signals, or brake or backup lights.Fuses are all ok, cant figure this one out!