Need to replace climate controls

[treed2@u.washington.edu (T. Reed)]

> My climate controls are getting hard to move around.  Last winter I popped

Clean gunk off and spray 'em down with a can of silicone spray lube to
get silky smooth engagement..

> the top selector out because it was so stiff.  I had to take apart the
> center console and reconnect the lever to what appeared to be some sort of
> doomsday device with many vacuum hoses running into it ;oP   Now the
> temerature lever has become disconnected due to stiffness so its time I
> think to replace the climate control unit.  I'll look in my bentley later to
> see what the proper terminology for this stuff is.
>
> First the problem with mine is it has gotten stiff, also mine is for an AC
> car and we took the AC out when rebuilding the engine (AC was seized up
> anyway) so I'd like to see if there is a non ac one I should get.  Lastly, I

Don't recommend it. I believe it mounts differently and it uses cables
instead of vacuum lines to control the flaps so you'll either need to pull
your dash and swap out the heater box for the non-a/c one or you'll have
to fabricate something.

Also the non-a/c models only had 3 fan speeds. The wiring to the blower
motor and resistor pack is different.

Basically, it's a huge PITA. Much easier to just repair the control head
you have now. Lube it and re-attach detacted linkage.

> think replacing this may solve my problem of warm air comming out the center
> vents cause no matter what setting you have the climate on its always
> blowing hot air.  It use to put out cold air when I had it on vent but now
> it always puts out warm air, however, my foot heaters and defroster vents
> put out the right kind of air (cool, warm, or hot) that I want.  Where do I
> get these things cause I haven't seen them on anybodies site?

It's not your climate control unit that is causing that to happen.

It is either the heater valve or the control cable for the heater valve.
The hot-cold lever on the control unit pushes and pulls a solid cable
through a plastic sheath that runs through the dash and out the firewall
where it is clipped on to the heater valve. When it's on cold, it closes
the heater valve, blocking coolant flow to the heater core. When it's on
hot, it opens the heater valve to let hot coolant get to the heater core.
The cable could be broken (more likely one of the clips has slipped or
come off on either end of it) or the valve itself could be rotted out. The
good news it the new valves are only like $8 and all you have to do to
replace it is drain the coolant, unclamp both ends of the old valve and
clamp the hoses on to the new one.

Easy fix.

HTH,

-Toby

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