1990 Dodge Ram Wagon B150 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Dodge Ram Wagon B150

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1990 Dodge Ram Wagon B150 Problems

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.

Failed transmission due to a restricted cooler
Automatic Transmission
A clogged or restricted transmission fluid cooler system can be the cause of reoccurring transmission failures. Our technicians tell us that if your transmission has failed due to lack of lubrication the transmission fluid cooler and lines should be thoroughly inspected for restrictions.
HVAC blower motor fuse may blow
The fuse may blow repeatedly for the HVAC blower motor or the motor may stop working all together. Our technicians tell us that can often be repaired by replacing the blower motor switch with a revised switch and installing a wiring harness with a relay assembly.

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1990 Dodge Ram Wagon B150 Questions

Pressure build up in cooling system (1 answer)

From a cold start the truck begins to build temperature almost immediately. I have changed the thermostat and in the process i hooked it up without the thermostat to make sure the water pump was working (it was). The return line that comes from thermostat back to top of radiator is building a lot...

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