Question about 1983 Cadillac Eldorado
The brakes get hard while driving,I will pull overand pull booster line..no vacuum! So I turn off car and wait a few mins,then when I restart car I have vacuum and brakes are normal.i replaced old vacuum pump that was tapping with another one that was bad because it free spun and did not suck or blow out the tubes.i put mine back one and this is what is happening.is the vacuum pump going bad? Is their another part that could cause these issues that I am missing? Thanks for any help.
The pump boosts engine vac so yes it could be a failing pump.
You could also have a hose that is collapsing inside.
Posted on May 10, 2013
Testimonial: "Thanks for the help.guess I'm in the market for a pump"
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Posted on Jan 02, 2017
I would definitely go after the brake light switch under the L/S dah at the brake pedal . Sounds like it might be sticking. Hope this helps
Posted on Apr 20, 2009
SOURCE: cant start 94 cadillac elderado
Check fuel pump pressure and fuel pump regulator. It sounds like you are not getting fuel into the system and if you are you are not getting enough fuel into the system
Posted on Jan 02, 2010
SOURCE: I have a 1999 Cadillac
There is a problem with the hole getting clogged right by where the engine connection is, use a piece of wire to unclog the orifice and reinstall the line. You should be OK after that.
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Posted on Jan 04, 2011
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