Yup...'97 they switched over to Orifice tube...Durangos still use the
expansion valve though.
- Bernd
-----Original Message-----
From: Hop * [mailto:hopsdak@hotmail.com]
Sent: Tuesday, June 12, 2007 2:10 PM
To: dakota-truck@dakota-truck.net
Subject: RE: DML: RE: RE: Expansion Block - Orifice Tube
That's an expansion valve. I'm not sure about the Gen II daks but, my '97
has one of these.
http://info.rockauto.com/FourSeasons/FourSeasonsDetail.html?38905.jpg
They both serve the same function. You'll either have one or the other. As
far as the expansion valves go i dunno much about them.. My dak is the
first car i've owned with a/c lol
--Hop
>From: "Jamie Calder" <jcalder3@cfl.rr.com>
>Reply-To: dakota-truck@dakota-truck.net
>To: <dakota-truck@dakota-truck.net>
>Subject: DML: RE: RE: Expansion Block - Orifice Tube
>Date: Tue, 12 Jun 2007 14:56:41 -0400
>
>
>I may be looking at this wrong then. At the passenger firewall the is what
>I think is an expansion valve (rectangular block that the hoses connect
>to).
>I also believe this contains the orifice tube that extends into the valve
>and has a large diameter flat piece on the top of the valve.
>
>http://www.rockauto.com/catalog/x,carcode,1087556,parttype,6788 click on
>"more info" for a picture.
>
>
>-----Original Message-----
>From: owner-dakota-truck@bent.twistedbits.net
>[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Bernd D.
>Ratsch
>Sent: Tuesday, June 12, 2007 2:29 PM
>To: dakota-truck@dakota-truck.net
>Subject: DML: RE: Expansion Block - Orifice Tube
>
>
>You can't run both expansion valve/block and orifice tube...they're two
>different systems that do the same thing. As for the auto-adjusting
>orifice
>tube...i'd like to see that. The newer models ('05+) do have something
>like
>this, but on your model, it's just a metal/plastic tube with a screen.
>
>Just replace the orifice tube.
>
>- Bernd
>
>-----Original Message-----
>From: Jamie Calder [mailto:jcalder3@cfl.rr.com]
>Sent: Tuesday, June 12, 2007 1:06 PM
>To: dakota-truck@dakota-truck.net
>Subject: DML: Expansion Block - Orifice Tube
>
>
>
>For a '93 318 there are 2 options for an orifice tube. One is $3.88 and
>the
>other is an "automatic adjusting orifice tube for normal climates (105
>degrees)" for $24.94.
>
>What is an auto adjusting orifice tube?
>
>These can be replaced without replacing the entire expansion block? My
>friends '97 Caravan was a one piece block/tube.
>
>In what case would I need to replace the expansion block too?
>
>Thanks,
>James
>
>
>
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