a/c question
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5th Wheeling
Joined: Sep 2006
Posts: 26
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a/c question
hello everyone , I need a little help with a/c. I had added some refrigerant a couple weeks ago because it wasn't cooling very well . now it blows colder at idle vs. driving at highway speeds.
I was going to evacuate the system and vaccum it down then recharge it. . my question is once I vacuum it down and recharge the system , will I need to add oil to the system .
placard on fan shroud says it take 2.83 lb of refrigerant and 9oz oil. btw the truck is a 07 f-250 lariat cc with 6.0 .
thanks .
I was going to evacuate the system and vaccum it down then recharge it. . my question is once I vacuum it down and recharge the system , will I need to add oil to the system .
placard on fan shroud says it take 2.83 lb of refrigerant and 9oz oil. btw the truck is a 07 f-250 lariat cc with 6.0 .
thanks .
Lead Driver
Joined: Dec 2006
Posts: 6,496
Likes: 94
From: So. Jersey
I'd put gauges on it and see what the pressures are doing. If at high idle it is short cycling then you may just need a little more if the low pressure is dropping out, OR you're a little over filled and it is over pressurizing on the high side and cutting out.
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