sd ac not cooling correctly

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Jun 18, 2009 | 07:59 PM

gbishop

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sd ac not cooling correctly

"03" f250 cooling to 70f at best checked pressure low side was 55psi highside was 225psi started to charge today low side was 75psi and high is 350psi system was equaling yesterday when ac was shut off truck has 162,000 thanks for any help

Jun 18, 2009 | 08:23 PM

projectSHO89

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From: St Louis

Seriously, take it to someone who knows what they are doing before you hurt yourself.

Your system is now way overcharged. You'll be lucky if something doesn't blow.

Jun 19, 2009 | 01:04 PM

gbishop

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never hooked up charge can just the guages,and i know not to charge on high side!

Jun 19, 2009 | 03:12 PM

lsrx101

Fleet Mechanic

Joined: Feb 2006

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From: Lorain County, Ohio

Mist water from your garden hose over the condenser, If the high side drops like a rock, replace the clutch fan and clean the radiator/condenser.
Both pressures are way too high. This usually indicates a condenser airflow issue.