# 2013 Jeep Wrangler - AC issues

**URL:** <https://community.cartalk.com/t/2013-jeep-wrangler-ac-issues/123402>\
**Category:** Maintenance/Repairs\
**Created:** [August 21, 2018, 7:50pm UTC](https://community.cartalk.com/t/2013-jeep-wrangler-ac-issues/123402 "2018-08-21T19:50:49Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![thomaspfischer](https://avatars.discourse-cdn.com/v4/letter/t/59ef9b/32.png) [@thomaspfischer](https://community.cartalk.com/u/thomaspfischer)\
**Post date:** [August 21, 2018, 7:50pm UTC](https://community.cartalk.com/t/2013-jeep-wrangler-ac-issues/123402/1 "2018-08-21T19:50:50Z")

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ac works off and on high pressure side is 250 to 300 psi with a standard 18 oz measured charge has good air flow what else is the problem?

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**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\
**Post date:** [August 22, 2018, 12:20am UTC](https://community.cartalk.com/t/2013-jeep-wrangler-ac-issues/123402/2 "2018-08-22T00:20:35Z")

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Since the vehicle doesn’t utilize a CCOT AC system, the high/low side pressures should be constant.

The only thing that can cause a fluctuation in the high side pressure is a faulty expansion valve.

![](https://global.discourse-cdn.com/cartalk/original/2X/c/c1063a2877a5fba8517905e943c25e3d2b4d334d.jpeg)

Tester