Share
-
Google+
-
Facebook
-
Twitter
-
Email
» HVAC Air Flow Switching to Defrost When Accelerating
Dodge D150
Report: HVAC Air Flow Switching to Defrost When Accelerating
Dodge D150 Problem
Model Years Affected: 1990, 1991, 1992, 1993
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.
-
The fuse may blow repeatedly for the HVAC blower motor or the motor may stop working all togeth...
Common Problems > Dodge D150
-
The blower motor may operate erratically and the blower switch operation has a sticky or mushy...
Common Problems > Dodge D150
-
The powertrain control module (PCM) may fail resulting in a lack of AC cooling. The lack of coo...
Common Problems > Dodge D150
-
The ignation switch in my 1990 Dodge D150 needs to be changed out, how hard is it to do? Shoul...
Q&A > Dodge > 1990 Dodge D150
-
warm to proper running temp floods out about 2100 rpms when running down the street. you can fe...
Q&A > Dodge > 1990 Dodge D150