After replacing all AC parts AC turns off when accelerating

DAVID MOHON

MEMBER
2004 CHEVROLET TAHOE
5.3L
V8
2WD
AUTOMATIC
264,000 MILES

Replaced all AC parts and it comes on but as soon as you start to accelerate it cuts off.

Monday, July 16th, 2018 AT 10:03 AM

5 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

It sounds like the system is overcharged and the high pressure cut off switch is being activated. Here is a guide to help confirm the issue.

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Please run down this guide and report back.

Cheers, Ken

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Tuesday, July 17th, 2018 AT 1:41 PM

DAVID MOHON

MEMBER
2 POSTS

The shop I took it to supposedly pulled the vacuum and charged the system.

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Thursday, July 19th, 2018 AT 10:58 AM

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

Can you tell me what shuts off the air through the vents or the cold air?

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Thursday, July 19th, 2018 AT 11:00 AM

DAVID MOHON

MEMBER
2 POSTS

The compressor its self cuts off.

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Thursday, July 19th, 2018 AT 11:38 AM

KEN L

MASTER CERTIFIED MECHANIC
47,643 POSTS

Yes, sign of over overcharging. I would take it back and tell them what you think the problem is. Here is a guide to help you see what I am talking about:

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Please run down this guide and report back.

Cheers, Ken