Idles great w/o A/C

[tberk@mindspring.com (T Berk)]

cwass99@rogers.com wrote:
> 
> Hi,
>      Since nobody else replied, I'll take a shot at this.  On my 8v, there are
> 2 valves on the passenger strut tower, one of which is supposed to open up when
> the AC compressor engages to stabilize the idle.  I would guess the 16v has
> something very similar since the compressor can take a lot out of the engine
> when it's engaged.
>      So, I would suggest start looking for whatever is supposed to stabilize
> the idle when the AC compressor is on.  Is there a valve that should open but
> isn't?  Is is opening but causing a vacuum leak?  Is the AC compressor
> partially seized?  Is the system AC overcharged (this can cause the compressor
> to work extra hard)?
> 
> Good luck!
> Colin


A2 Jetta my buddy has had a similar problem, those rubber elbows that
serve the valves were cracked, but not were you could see. Caused all
kinds of shutting off i hot weather trouble too.

TBErk