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Another A/C overheat

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Old 02 Jul 2014, 08:49 pm
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Default Another A/C overheat

Wifes 04 turbo light started getting hot when the A/C is on. Its recently had a thermostat and doesn't over heat when a/c is off. On cold start, the fan is off with a/c off and kicks on right away when you turn on the a/c. I disconnected the fan and was able to get both speeds to kick on with jumpers. I replaced the high speed relay also. Whats left to check or replace?
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Old 02 Jul 2014, 09:17 pm
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Default Re: Another A/C overheat

Radiator Pressure cap - its 10 years old
electrical connectors- examine where they go together and make contact
fluid level
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Old 04 Jul 2014, 08:25 am
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Default Re: Another A/C overheat

Originally Posted by JoeX View Post
Radiator Pressure cap - its 10 years old
electrical connectors- examine where they go together and make contact
fluid level
Also a radiator flush - might be crud in radiator. This is particularly likely if temp rises even at highway speeds.
Remember, when A/C is put on, it's because it's hot out, so it's an extra load on cooling system...
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