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  • October 24, 2018, 01:48:50 AM

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Author Topic: red and black vac lines back of intake  (Read 1691 times)

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Offline 2xEaglewagons

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red and black vac lines back of intake
« on: January 26, 2017, 10:48:07 PM »
Hello
Previous owner has tape on the vac fitting rear of intake going into dash.
90 degree fitting,,two lines,black and red.
The car is a 1987 A.C.
I am guessing the red line is for heater A.C. controls?
Black is for the switch on the fly 4x4 switch?
I would like to make this a single fitting just for the 4x4 switch.
Thanks for the help,,,my head doesnt fit inside the dash,lol!
Randy H.
Mission B.C.

Online amcfool1

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Re: red and black vac lines back of intake
« Reply #1 on: January 27, 2017, 08:16:45 AM »
hi, the vac switch for the 4x4 system has 3 hard vac lines to it, green/yellow/red. the hard black vac line is the feed for the axle disconnect motors. gz

Online rmick

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« Last Edit: January 27, 2017, 11:21:17 PM by rmick »
72 Javelin AMX
72 Javelin SST
72 Gremlin with 4.0
81 SX 4

Offline 2xEaglewagons

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Re: red and black vac lines back of intake
« Reply #3 on: January 27, 2017, 11:28:16 PM »
gz
The fitting with the two vac lines rear of intake maybe leaking.
I will unwrap the tape from p.o. and see what i find.
Probably replace them after they crumble in my fingers.
I only see a red and black line,no yellow,maybe i am missing something?
Where does the vac come from on engine for dash controls/a.c.?
The only vac lines i see going threw cowl is the two mentioned above.
I did have the dash apart yrs ago but dont remember if there was vac lines in there?
Thanks for the help!!!
Randy H.
Mission B.C.

hi, the vac switch for the 4x4 system has 3 hard vac lines to it, green/yellow/red. the hard black vac line is the feed for the axle disconnect motors. gz

Offline 2xEaglewagons

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Re: red and black vac lines back of intake
« Reply #4 on: January 27, 2017, 11:46:30 PM »
Thanks for the vac pics!
I see the storage tank,dont know where it is on car?
Inside dash?
The line to storage tank must be the red line on back of intake?
I am only going to fix a taped up fitting,no problems with 4x4.
Just curious where the vac for dash/A.C. is coming from if there is any?
Will be taking off the A.C. when i find a dual fan pulley and bracket for Alt.
http://forums.amceaglesden.com/index.php?topic=35824.0
Ok,,,,i think i found it ..

Thanks again!!
Randy H.


http://amceaglesden.com/guide/images/b/b4/81tsmwik06.jpg
Vacuum lines for select drive
http://amceaglesden.com/guide/images/4/49/81tsmwik08.jpg
« Last Edit: January 27, 2017, 11:59:52 PM by 2xEaglewagons »

Online rmick

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Re: red and black vac lines back of intake
« Reply #5 on: January 28, 2017, 02:42:02 PM »
72 Javelin AMX
72 Javelin SST
72 Gremlin with 4.0
81 SX 4