A/C not working properly?

130,000 MILES • 5.4L • V8 • 2WD • AUTOMATIC
Avatar
MISSC107
  • MEMBER
  • 1 POST
I have the truck listed above King Ranch with a screen. I am having a problem with the A/C. At first I was having problems with the fan speed it just kept getting lower fan speeds but was no cold air. I changed out the resistor now I have all the fan speeds but no cold air? The compressor isn't kicking on. I put the old one back on and the compressor kicks on but only have the lowest fan speed. I checked the blower motor works fine. Anyone have any other ideas what could be wrong?
Oct 20, 2019 at 7:36 AM
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,548 POSTS
Hello,

For the air conditioner this guide will help us fix it.

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

There are two kinds for blower motor speed controls one is a resistor and the other is a controller. here are both in the diagrams below so you can tell me which one you have also did you use an OEM part when replacing the speed control? Check out the diagrams (below). Please let us know what you find.

Apr 15, 2021 at 7:32 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle