[Shotimes] High-Pressure cut-out switch questions..

[Paul Nimz]

As I understand it the low pressure and high pressure switches are removable
without evacuating the system.  They have a Schrader valve type fitting
internally.

Paul Nimz
'97 TR
'93 EG mtx


----- Original Message ----- 
From: "Jeremy" <jeremy@carrieandjeremy.com>
To: <shotimes@autox.team.net>
Sent: Wednesday, August 11, 2004 11:40 PM
Subject: [Shotimes] High-Pressure cut-out switch questions..


> Well I finally found out what was keeping my fan's on all the time and
> giving me the 539 code. I chased that pink/light blue wire all over that
> engine bay and finally ended up at the high-pressure switch at the front
of
> the car. I belive that's what this thing is anyway.
>
> If I remove the connector from it, the fans will eventually switch to low
> speed and then shut off. But as soon as I plug it back in, the fans kick
> right back on. (This is with ETAC to OFF).
>
> Now I understand this switch is supposed to cut the A/C system and keep
the
> fans on when the pressure is too high (??). But seeing as the system
itself
> is off, I'm guessing this switch is shorted internally or something.
>
> Do I have to have the system evacuated to replace this switch? There was a
> realllly nice webpage someone did that went through a whole host of
> diagnosis for the A/C system but I can't find it right now.
>
> TIA,
>
> Jeremy
>
> '94 Opal ATX 116k
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