AC Refresh 10
by
, 21-08-2016 at 11:36 AM (3689 Views)
Bench tested each motors on the bench.
This is what’s happening when you change the temperature setting.
The CCU sends the command to the air mix motor to adjust the amount of hot coolant passing through the heater core by changing the position of the water valve.
The motor is also directly connected to the air mix door and not only it adjusts the amount of coolant but also the air passing through the heater core.
It's bit too dark but you can see the heater core fins in the background.
I just applied 12V for open/close testing but in the real world, depending on the temperature setup and sensor input,
the doors will be fully opened, closed or partially opened.
Ready to install the new evavo.
Applied small amount of sealant around the area that needs good sealing and the heater unit is now ready to go back into the cabin.
Installed the CL/pulley/field coil assy onto the new P9K compressor.
The original shim was about 1.6mm thickness but with the CL worn, the gap was well over the limit so
used 2 set of OEM shim parts to create about 1.3mm shim.
The gap is now about 0.45mm.
This will be the last time I’ll see this label.
It will be covered by the ceramic heatshield tape.
Keep flushing the a/c pipes…..
There are several things to be done and not to be done with the new compressor so I hope I can finish them soon.
Kaz