Vacuum Lines Diagram
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From: Hookstown
Vaccumm Lines Diagram
Can anyone help me out? I have a 1978, F-150 with a 351M motor and I think I have a vaccumm leak, but i am not sure where all to check. Does anyone have a diagram that can show me where I should be looking?
Gopher
Gopher
Last edited by gopher; Mar 12, 2004 at 08:50 PM.
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From: Comox Valley, Canada
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Welcome to FTE Gopher ...
Due to copyright laws we are not really allowed to offer a printed material.
if you go to the library they may have a book to look it up.
I can offer you the Ford emission's calibration code that you need to know about that engine in your truck.
Not all hook-ups are the same.
Anyway the diagram you need is 7-72-R11
Better check the link Sparky
Due to copyright laws we are not really allowed to offer a printed material.
if you go to the library they may have a book to look it up.
I can offer you the Ford emission's calibration code that you need to know about that engine in your truck.
Not all hook-ups are the same.
Anyway the diagram you need is 7-72-R11
Better check the link Sparky
Posting Guru
Joined: Jun 1999
Posts: 2,415
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From: Comox Valley, Canada
I tried it and it works..........but I didnt see a diagram 7-72-R11 ...but maybe there is something there that will help. Here is the link again just in case the other is screwed up.
http://www1.autozone.com/servlet/UiB...3d800ce605.jsp
http://www1.autozone.com/servlet/UiB...3d800ce605.jsp
Postmaster
Joined: Apr 2000
Posts: 2,838
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From: SD
First, plug off the line to the brake booster and see if that helps - they are a common source of vacuum leaks. Then use some carb cleaner and spray (with engine running) the vac lines, connections and around the base of the carb and intake. When the carb cleaner gets to a vacuum leak the engine will rev up.
Marty
Marty
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1961 - 1966 F-100 & Larger F-Series Trucks
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