Missing vaccum line?
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Mountain Pass
Joined: Jun 2007
Posts: 117
Likes: 6
From: Fort Worth TX
Missing vaccum line?
I have a die on idle 80 F150. But that is not my immediate problem. I pulled the EGR valve so many times I lost count, but after the last time, I noticed a hissing and soon after, the brake light came on and brakes are very weak.
So I take a look and underneath the EGR valve on my 351 engine is a metal vacuum fitting. One hose goes to brake, one to AC, another to air cleaner, and one has nothing on it, no cap no hose. It is pointing at driver. I can't locate a loose hose.
I can't decipher the vacuum routing diagram hieroglyphics under the hood, if anyone can point me to the meaning of all the acronyms, that might be helpful, but also if anyone knows what is supposed to be on that bare vacuum nipple, I would be grateful.
So I take a look and underneath the EGR valve on my 351 engine is a metal vacuum fitting. One hose goes to brake, one to AC, another to air cleaner, and one has nothing on it, no cap no hose. It is pointing at driver. I can't locate a loose hose.
I can't decipher the vacuum routing diagram hieroglyphics under the hood, if anyone can point me to the meaning of all the acronyms, that might be helpful, but also if anyone knows what is supposed to be on that bare vacuum nipple, I would be grateful.
Cargo Master
Joined: Apr 2003
Posts: 2,057
Likes: 424
From: Too close to Houston
