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Old 12-10-2009, 12:48 PM
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brainlair brainlair is offline
Armchair Mechanic
 
Join Date: Sep 2008
Location: College Park, MD
Posts: 120
Quote:
Originally Posted by dhjenkins View Post
Ding ding.

Check to make sure that vacuum switch is recieving vacuum, that the pod holds vacuum, and that the vacuum switch works before tearing out your dash.

Also, I think the procedure for troubleshooting the automatic climate control & replacing pods are on the FSM CD.

Yep, FSM procedure 83-665 describes replacement of the vacuum pods. 83-600 tells you the locations of all 6 pods, and which switchover valves are connected to each pod.

Luckily, your center vents are working. That pod is the worst to replace, and is the only one that requires removal of the dash. Just last week I replaced my defroster pod and the two pods that control the main flap (for air recirculation). I had to take out my glove box, but that was it.

I'm about to do the leg flap pod, since it's been broken the whole time i've owned the car. That one is located directly behind the climate control unit on the center console. The FSM says you just need to pull the climate control unit (and wood above it) to get to it, but i'm preparing myself to remove the center console if my fat fingers can't do it.


**EDIT** But I just realized that you're talking about a Gen II, so it could be completely different. I know those have 7 switchover valves instead of 6, and I don't know the ways in which the layouts are different.
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1984 300SD, 375XXX miles, Light Ivory w/ Palomino TEX

Last edited by brainlair; 12-10-2009 at 01:06 PM.
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