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-   -   Heater/AC issue - 84 300TDT (http://www.peachparts.com/shopforum/diesel-discussion/278568-heater-ac-issue-84-300tdt.html)

mobenz 06-01-2010 09:25 PM

Heater/AC issue - 84 300TDT
 
Just got the A/C charged. The air is coming out the side vents and the defrost, but not the center vents. I had the switch panel off above the A/C controls a few weeks ago. Could this be a vacuum issue related to the lines behind the dash? Any help would be greatly appreciated. Summer is here. :)

Aquaticedge 06-01-2010 09:35 PM

sounds like a vac pod issue

JimmyL 06-02-2010 01:08 AM

Quote:

Originally Posted by mobenz (Post 2478413)
Heater/AC issue - 84 300TDT

http://i29.photobucket.com/albums/c2...hics/NoTDT.gif

Most likely the center vent vac pod. It usually bakes first.....

Aquaticedge 06-02-2010 02:07 AM

thats the one right up near the windshield right? thats the one that busted on mine... buggered the whole system

mobenz 06-05-2010 10:08 AM

How hard is it to get to that pod? Is there some sort of vacuum system "smoker" that a non-professional can use to track down a vacuum leak?

Aquaticedge 06-05-2010 10:22 AM

Mighty vac is your best bet, you will be able to test your pods individually. if it's the pod I'm thinking you will need to pull the dash and while your there you may want to replace ALL the pods, that way you wont have to do it again if another old one breaks.

69shovlhed 06-05-2010 09:17 PM

i have to push the button w/ arrows up and down first to get it going. then when i hit the down arrow button it blows good out the center vents. i don't really want to pull the dash so i'll live with it.

mobenz 06-11-2010 09:23 AM

When you say "remove the dash", are you referring to the instrument cluster, or the entire dash?

69shovlhed 06-11-2010 09:31 AM

entire dash. you can't see much w/ just pulling the cluster.

mobenz 06-17-2010 10:38 AM

Solved. Vacuum line behind the A/C controls had been pulled loose. Car now stops correctly and the vacuum locks work properly as well.

Vacuum sucks.


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