Re: [DML] VACUUM ACTUATORS

[mike clemens <rmclemns@xxxxxxxxx>]

Okay, no one attempted to answer this one, so I tore Josh's A/C and heating unit down to parade rest so I could really see what is going on.  Without going into a whole lot of detail, here's how everything works.  The manual is fuzzy and wrong in two areas.
 
#1 vacuum line-------comes in along the left side of the console in a big black plastic line  and then reduces to a solid black line that goes to #1 on the A/C switch.  (even I figured that one out)
 
#2 vacuum line-------goes from the #2 position on the switch via a brown striped line to the lowest most actuator on the drivers side footwell.  This is the lower mode flap.
 
#3 vacuum line-------goes from the #3 position on the switch via a orange striped line to a tee.  From this tee, it goes to the recirculation actuator which is located in the top of the passenger footwell, behind the right side of the glovebox, AND, it also tees to the heater control valve which is the super small plastic line on the foward part of the drivers side consol, right next to the large intake vacuum line, which controls the heater valve located just above the slave cylinder.
 
#4 vacuum line------goes from the #4 position on the switch via a blue striped line to the screen flap actuator, which is the upper most actuator in the drivers footwell and controls the windshield defrost function.
 
#5 vacuum line------goes from the #5 position on the switch via a red striped line to a plastic tee that goes to upper mode flap actuator (located in the the drivers footwell, center position) and also goes to the face level flap acturator which is under the dash, passenger side, right next to the left side of the glove box (which you have to remove to get to the actuator).
 
If any of this is unclear, contact me offline, and I will attempt to explain.  I will try to draw everything out and submit it to the archives.
 
Oh, and for those that are curious, I was able to get all the flaps and actuators to work as advertised, now I discover that the blower motor is a substitute (turning backwards), but to fix the problem, instead of reversing the + and -, he went out and installed a new blower fan, which is physically 180 degrees out.  Yes, I am getting some air flow, but just enough to maybe cool a small group of chiggers!!!!
 
Lastly, for all of you that asked, why am I trying to fix the air flow problem before fixing the engine?  Well, today it was 103 degrees with 99.999999% humidity, and I can't get the car out of the driveway without suffering heatstroke.  More to follow on the acceleration problem.
 
Miike   TPS   1630
 


--- On Tue, 7/22/08, mike clemens <rmclemns@xxxxxxxxx> wrote:

From: mike clemens <rmclemns@xxxxxxxxx>
Subject: [DML] VACUUM ACTUATORS
To: dmcnews@xxxxxxxxxxxxxxx
Date: Tuesday, July 22, 2008, 1:16 PM






This may sound like an easy question, but I have searched the parts manual and the service manual and cannot find an definitive answer.

On page N:08:02 of the service manual is a figure of the A/C and heating unit. There are three actuators on the left side. The top one mounted horizonally is for the screen flap. There are two that are mounted vertically. They control the upper and lower mode flaps and the face level vent flap. Can someone verify the the top one controls the lower mode flap and the lower actuator controls the upper mode flap and face level vent flap. Thanks.

Mike TPS 1630

 














      

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