# 2003 Ford F-150 AC trouble

**URL:** <https://community.cartalk.com/t/2003-ford-f-150-ac-trouble/133175>\
**Category:** Maintenance/Repairs\
**Tags:** ford, f150\
**Created:** [January 23, 2019, 2:01pm UTC](https://community.cartalk.com/t/2003-ford-f-150-ac-trouble/133175 "2019-01-23T14:01:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![DanielCordova](https://avatars.discourse-cdn.com/v4/letter/d/7993a0/32.png) [@DanielCordova](https://community.cartalk.com/u/DanielCordova)\
**Post date:** [January 23, 2019, 2:01pm UTC](https://community.cartalk.com/t/2003-ford-f-150-ac-trouble/133175/1 "2019-01-23T14:01:44Z")

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truck revs up and down with the AC on. the AC won’t blow cold air either

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**Author:** ![Purebred](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/purebred/32/46796_2.png) [@Purebred](https://community.cartalk.com/u/Purebred)\
**Post date:** [January 23, 2019, 3:50pm UTC](https://community.cartalk.com/t/2003-ford-f-150-ac-trouble/133175/2 "2019-01-23T15:50:45Z")

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Just guessing, the AC is low on refrigerant, what might be experiencing is the compressor clutch cycling on and off.  
Take it to a licensed HVAC shop, have it checked out.