this is the "Clicking" component. it is the "Max" or recycle door motor. this is real hard to get to, it is the center of the heaterbox and the firewall.

here is another view of the bad part installed.

here is the back of a newer motor pac for the door. the ac/heat and the rear ac/heater is the same motor.

here is the front of the motor.

here is the motor pac without the wire harness connected.

ok this is the electric motor it controls the recycle/air diverter and it is the same in the rear air unit as well.

here is the insides. it is very simple.

hereis what goes wrong. you can see the 3rd gear down fromthe top. it lots 3 teeth and will not power the next gear. the motor keeps running and will turn off after 30 seconds.

i got a few questions on this line it full of cracks but now leaks (i think)

another view.

view 3

here is the last shot.

the AC stopped blowing cold air. i did not see the compressor cycle on and off. i pulled the low pressure switch and ran a jumper and the compressor started to run. i looked at each fitting for leaks. i did not find any so off to the AC shop and get a recharge. The PO did a swap to R-134A and the new valve leaked so he put some silicon in the fitting and screwed the cap back on. well it leaked. we found the low pressure switch connector was bad. we could wiggle the connector and get the compressor to run. Time to replace.

well the only place that had one was the dealer ($30) here is the new connector.

A fast clip and solder and heat shrink the new connector in place and recove the wires with the plastic sprial wrap and i got cold air once again.