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Jul 25, 2010 | 10:22 AM

#31

CoastalDav

Registered User

Joined: May 2002

Posts: 1,425

Likes: 2

From: Melbourne, Florida

Quote:

Originally Posted by jsparlin74

My a/c has defaulted to defrost mode. I have a vaccum line on the passenger side under the hood by the firewall which is broke. I can not locate the other end. I assume it is in the cab on the other side of the firewall. Do you have any suggestions? Must I prepare to remove the dash?

js

Go to the back side of the power steering pump were the vacuum pump is and follow the line up to the firewall. When I had my 2000 3500 the one that would disable the selection process and default to defrost was the one with the red, could have been black, "Y" in the line on the drivers side of the firewall.

Jul 25, 2010 | 11:52 AM

#32

OUTDOORSMAN

Registered User

Joined: Nov 2004

Posts: 225

Likes: 0

From: redford michigan

Quote:

Originally Posted by Ram1999

I found it online.

Click HERE.

How did this stuff work out?

Aug 6, 2010 | 04:35 PM

#33

LanceD

Registered User

Joined: Oct 2003

Posts: 1,292

Likes: 0

From: Albuquerque, NM

I bought a new compressor, dryer and orfice thing. I also bought 8oz of the pag100 oil that it says, and some refrigerant. Where do I put the oil? do I dump it into the compressor before bolting it on or what? Also is it absolutely necessary to pull it into a vacuum before charging it?