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Old August 23rd 06, 02:57 AM posted to rec.autos.tech
Don[_1_]
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Posts: 300
Default Why would AC only work when foot is on gas?

On 22 Aug 2006 12:47:35 -0700, "John S." > wrote:

>
>David wrote:
>> Our family has two Isuzu Rodeos, a 1995 and a 1997. The AC on the 1995
>> works great. the 1997 stinks. On the '97 Rodeo when I'm sitting still,
>> it gets very hot when the car is idling. My first thought is that the
>> engine is getting so hot, I need to be moving to have the additional
>> air cooling. However, I discovered today, the AC work fine when I'm
>> sitting at a stop light if I just put the vehicle in neutral and give
>> it gas.

>
>
>I want to be sure I understand what is happening here. At an idle is
>the compressor turning?
>
>If the compressor is turning at idle it sounds like the AC system needs
>a recharge.


If so it would cycle off when reved up.

Don
www.donsautomotive.com
>
>
>
>> Strangely enough though, the 1995 doesn't do that. Sitting
>> idle in the sun it cools so well that after 5-10 minutes you have turn
>> down the AC.
>>
>> Any ideas why the '97 is having this problem? Is it an AC problem, AC
>> clutch? harmonic balancer, or just a design flaw? Works great on the
>> freeway, but in city traffic in Dallas I'm quickly getting up to 100+.
>>
>> many thanks for any suggestions!
>> David


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