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1989 Fleetwood Brougham d'Elegance|2018 Chevy Colorado Z71
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6,421 Posts
Discussion Starter #1
I have a vacuum/fuel pressure gage and wanna check for any vacuum leaks but I have no idea where to hook it up nor what the needle's supposed to be pointing at. Anyone wanna help me out please?
 

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1995 Cadillac Fleetwood Brougham
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589 Posts
Did the gauge come with an owner's manual?
If it was like mine, it should have a good How-To guide up front.
As far as the hookup on your particular vehicle, a place to start might be from the Factory Manual or - would you believe - even a Haynes or Chilton manual.
I know some of the older Chiltons used to have vacuum gauge checklists for my old AMC on a one-by-one hose, up to the A/C "tank" that modulated the vacuum for the A/C controls and which looked like a big, black, Tomato Juice can. But that was a long time ago.
 
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