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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