AC Problem at Idle - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-02-2007, 12:07 PM   #1
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Default AC Problem at Idle

My A/C is not cooling well at idle. While at cruising speed it feels fine and blows down to 40 degrees......then when I come to a stop (ie...traffic light) it does not cool well and the temprature only blows at 65-70 degrees... What'* up?

'91 Olds 98
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Old 06-05-2007, 02:39 PM   #2
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Default ac

Sounds like you need a re-charge. Check the two lines going into the dash. One should be cold and the other cooler. If they are both the same your low on freon.
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Old 06-05-2007, 05:57 PM   #3
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I hooked the manifold guages up and the levels were pretty close....a little off.....and feeling the lines it appears I may have a bit of a clogged orifice tube...just not quite up to snuff.
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