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Username Post: 1972 350 w factory air vacuum lay out        (Topic#358968)
Damskippyyy 
Newbie
Posts: 14

Age: 56
Loc: SO CAL
Reg: 11-22-19
11-27-19 04:03 PM - Post#2781100    

I’m New to this sight. In fact this is my first post. I was just reaching out to see if anybody has access to the correct vacuum line schematic for my 72. I’m trying to get the factory air sorted out. I appreciate any help anybody can give me. My fan only works on two positions is the first problem. The second problem is is that it will not divert to the defroster

Damskippyyy
1966 Malibu convertible
1972 el camino ss
1989 Chevy Silverado long bed
2016 camaro convertible 2 ss


Edited by Damskippyyy on 11-27-19 04:06 PM. Reason for edit: No reason given.

 


62chevy427 
"13th Year" Silver Supporting Member
Posts: 2188
62chevy427
Loc: laurens sc
Reg: 04-13-06
12-13-19 05:16 PM - Post#2782097    
    In response to Damskippyyy

the fan not working except on 2 positions is either the switch, the high speed fuse, the relay or the resistors. i would check the fuse first. it is located on the firewall below the windshield. it is a inline fuse. i always use a 30 amp.
i included a vacuum and electrical diagram

Attachment: 1.jpg (433.84 KB) 10 View(s)




Attachment: ac1.jpg (350.58 KB) 11 View(s)




56 bel air ((since 2002)
62 impala ss (since 1965)
65 el camino (since 1969)
66 nova (since 1987)
67 malibu convertible (since 1981)
72 el camino ss454 (since 1985)
83 gmc 4wd (since 1991)
95 impala (new)
15 chevy equinox



 
Damskippyyy 
Newbie
Posts: 14

Age: 56
Loc: SO CAL
Reg: 11-22-19
12-18-19 08:24 AM - Post#2782386    
    In response to 62chevy427

thank you so much my friend



Damskippyyy
1966 Malibu convertible
1972 el camino ss
1989 Chevy Silverado long bed
2016 camaro convertible 2 ss


 
Damskippyyy 
Newbie
Posts: 14

Age: 56
Loc: SO CAL
Reg: 11-22-19
12-18-19 08:27 AM - Post#2782387    
    In response to Damskippyyy

67 malibu eh one of my favs

Damskippyyy
1966 Malibu convertible
1972 el camino ss
1989 Chevy Silverado long bed
2016 camaro convertible 2 ss


 
Damskippyyy 
Newbie
Posts: 14

Age: 56
Loc: SO CAL
Reg: 11-22-19
02-07-20 08:04 PM - Post#2786093    
    In response to 62chevy427

Thank you
got vacuum figured out mostly accept for defrosters
i have a question now on brakes. i have stock power brakes disc in front drum in back i have to replace master cylinder what would be my best bet in terms of bore? also is there anything that i can do to make my brakes better without re doing everything. or converting to disc ?

Damskippyyy
1966 Malibu convertible
1972 el camino ss
1989 Chevy Silverado long bed
2016 camaro convertible 2 ss


 
Damskippyyy 
Newbie
Posts: 14

Age: 56
Loc: SO CAL
Reg: 11-22-19
02-07-20 08:04 PM - Post#2786094    
    In response to 62chevy427

Thank you as well got vacuum figured out accept defroster connection
i have a question now on brakes. i have stock power brakes disc in front drum in back i have to replace master cylinder what would be my best bet in terms of bore? also is there anything that i can do to make my brakes better without re doing everything. or converting to disc ?

Damskippyyy
1966 Malibu convertible
1972 el camino ss
1989 Chevy Silverado long bed
2016 camaro convertible 2 ss


 


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