broken/cut vacuum hoses
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Cross-Country
Joined: Jan 2014
Posts: 84
Likes: 1
From: NE Washington State
broken/cut vacuum hoses
1985 F250 351W w/carb.
Hey guys, I recently discovered three vacuum hoses (pink,green, and yellow)
broken or just cut by PO. I believe these service the vapor evaporation system going to the charcoal canisters.
Should I try to reconnect these or just not worry about them? I don't have any smog testing here. Also, the smog pump was removed by PO.
Which of the color coded vacuum hoses are vital to actual performance of the engine? I have red,green, yellow, orange, pink, and the basic black. I think for sure the red and black hoses are required but not positive.
Your help would be greatly appreciated!
Thanks
Chuck M.
Hey guys, I recently discovered three vacuum hoses (pink,green, and yellow)
broken or just cut by PO. I believe these service the vapor evaporation system going to the charcoal canisters.
Should I try to reconnect these or just not worry about them? I don't have any smog testing here. Also, the smog pump was removed by PO.
Which of the color coded vacuum hoses are vital to actual performance of the engine? I have red,green, yellow, orange, pink, and the basic black. I think for sure the red and black hoses are required but not positive.
Your help would be greatly appreciated!
Thanks
Chuck M.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
There should be a vacuum routing diagram on your radiator support.
This will also have a calibration code.
Plastic hoses get brittle and snap all by themselves, but if the P.O. has gutted the emissions you should (at the least) cap any lines that have vacuum present.
Here's a thread that might help you identify what lines and components are missing.
https://www.ford-trucks.com/forums/7...ml#post6602805
This will also have a calibration code.
Plastic hoses get brittle and snap all by themselves, but if the P.O. has gutted the emissions you should (at the least) cap any lines that have vacuum present.
Here's a thread that might help you identify what lines and components are missing.
https://www.ford-trucks.com/forums/7...ml#post6602805
Thread Starter
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Cross-Country
Joined: Jan 2014
Posts: 84
Likes: 1
From: NE Washington State
Thanks for the link
Jim - Thanks for the link, it really answers a lot of the questions I have about what those pesky acronyms mean. Although I am a senior citizen by age, I am a newby as far as automotive mechancs go.
Was not aware there was a calibration number - If I have the right number, it is e5ae-9c485-CRF . The first two sections of this code say it is for a 1985 mustang emissions vacuum diagram - boy I wish this truck had that simple layout - very clean!
Is the CRF significant? haven't been able to find a site that will decode the code.
I believe this truck was made for Calif. but has spent it's entire life in Wash. state - Eastern side so no emissions testing required.
Again, thanks for your help!
Chuck M.
Was not aware there was a calibration number - If I have the right number, it is e5ae-9c485-CRF . The first two sections of this code say it is for a 1985 mustang emissions vacuum diagram - boy I wish this truck had that simple layout - very clean!
Is the CRF significant? haven't been able to find a site that will decode the code.
I believe this truck was made for Calif. but has spent it's entire life in Wash. state - Eastern side so no emissions testing required.
Again, thanks for your help!
Chuck M.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
CRF is the calibration code.
And it is for your truck, not anything about a Mustang.
E= '80's
5= '85
A=Ford division
E=Engine part
9C485 is a basic part number for all of these stickers!
Even mine;
And it is for your truck, not anything about a Mustang.
E= '80's
5= '85
A=Ford division
E=Engine part
9C485 is a basic part number for all of these stickers!
Even mine;
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 39
From: EXTREME southwest CT
26x26x26 letters can add up to a LOT of possibilities.
Gary Lewis has elaborated on how many calibrations there really are, but I doubt anyone outside of Ford knows what each one is (means).
Gary Lewis has elaborated on how many calibrations there really are, but I doubt anyone outside of Ford knows what each one is (means).
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