Date: 03 Jun 97 06:05:24 PDT
Sender: Vanagon Mailing List <vanagon@vanagon.com>
From: CARVER_JEFFREY@aphub.aerojetpd.com (Jeff Carver)
Subject: Heater Controls '80, was VW Cooling
Edward -
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When I turn off the heat into the cabin of my '81, I still get heat
(but only in the summer, of course). I checked the cable and the 'top hat'
and the little 'door" seems to be closing. If I can't get it to close
correctly, what if I disconnect the tube at the control in back
and let it vent the full diameter out.
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I, too, have this problem. I checked into it last weekend while my
dash was disassembled to replace speedo cable and install oil temp
guage.
Here's what I found. Although the door at the valve at the rear had
room to travel, it wasn't closing fully. I checked at the other end.
On my '80 (probably same on '81) the left side control has a rigid
and reinforced 90 degree bend at the end to go into the level arm.
the right side has an end much like a safety pin, with a couple of
windings that go around the bend on the left control and a hook to
fasten back on itself. This cable end is NOT stiffened, and not
reinforced. Mine was bending and not pushing the cable through the
sleeve, thus not actuating the door.
My parts bus had a throttle spring attached between the rear of the
metal and the nut on the clamp at the end of the cable, to assist in
closing the door. I tranferred them to my running bus. Seemed to
help in closing door without kinking the cable.
I was able to force lube fluid through the right side, but not the
left. I adjusted the best I could, and left it so that the travel on
the right door is less that ideal, but still would close.
BTW, I used a motorcycle gizmo that clamps on both the sleeve and the
cable and has a hole for a plastic nozzle extension for a spray can
of cable lube that I also found at a motorcycle shop.
Disconnecting the tube at the back could lead to the vent system
bringing in exhaust fumes, ack, cough, die, type of thing, so caution
is in order here.
- Jeff
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