Heater hoses from heater control module

7173Mustangs.com

Help Support 7173Mustangs.com:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

afeng79

Well-known member
Joined
Apr 23, 2014
Messages
107
Reaction score
0
Location
Vandenberg AFB, CA
My Car
1972 Mustang Hardtop
Does anyone know where each of the small hose tubing goes to from the heater and A/C control module on the dash? I'm looking for a full complete routing description because they are all disconnected from their endpoints besides one of them.

If you're not sure what exactly I'm describing, it is the cluster of hoses that plug into the back of the heater and A/C control module on the dash. There's spots behind the glove box that have inputs for that size of tubing but there's about 6 different hoses so figuring out where they go has me stumped.

 
Does anyone know where each of the small hose tubing goes to from the heater and A/C control module on the dash? I'm looking for a full complete routing description because they are all disconnected from their endpoints besides one of them.

If you're not sure what exactly I'm describing, it is the cluster of hoses that plug into the back of the heater and A/C control module on the dash. There's spots behind the glove box that have inputs for that size of tubing but there's about 6 different hoses so figuring out where they go has me stumped.
Here you go.... http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/images/0900c152/80/27/a1/bf/large/0900c1528027a1bf.gif

I think.... no year on it but looks correct.

 
Last edited by a moderator:
Will, yea that helped me in figuring out the orientation of plugging it into the control module on the dash but unfortunately when I got the car, all of those vacuum tubes were disconnected from their endpoints so I had a bunch of loose tubing behind the dash. Being in California, the heater wasn't the biggest issue but would still be nice to have.

 
you may want to use a hand vacuum pump and just test operation of all the vacuum motors you are hooking back up. it will also show you if something is rusted frozen or broken.

if any of the motors are leaking or blown it will act as a big vacuum leak on the engine, so best to test one at a time and know they are in good condition.

inspect the vacuum canister as well, there is a reed valve inside and it should only allow air flow in one direction, you can test it with a piece of hose then blow into the canister and suck air out the reed valve will close and stop the air flow and you will know the canister is good. if bad replace it with a reproduction unit.

 
Back
Top