View Single Post
  #3  
Old August 22nd 06, 08:47 PM posted to rec.autos.tech
John S.
external usenet poster
 
Posts: 981
Default Why would AC only work when foot is on gas?


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.



> 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


Ads