1990 Dodge Ram Wagon B250 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Dodge Ram Wagon B250

1990 Dodge Ram Wagon B250 Problems

HVAC Air Flow Switching to Defrost When Accelerating

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.

High Blower Only Due to Failed Blower Motor Resistor

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.

Door Glass May Separate From Lift Channel

The door glass may separate from the glass lift channel. Our technicians tell us a front door glass channel kit is available to repair the door glass. The repair involves removing the door glass from the vehicle.

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1990 Dodge Ram Wagon B250 Questions

Belt connected to alternator, how do you loosen it (2 answers)

Recently, my alternator died. I'm going to replace it, but I can't get the belt that surrounds the alternator loosened. I got the main bolts and nuts off the alternator and the electrical connections. Now I just think I have to pull it out of its housing, but need to loosen belt first....

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