vacum pump?
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Senior User
Joined: Feb 2010
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vacum pump?
Got a question My 92. My wife was on her way home and found she could not stop the brake pedal is very hard leaning towards vacum pump. I guess i am not sure normaly in gaser i would go straight for brake booster what do you think?
Cargo Master
Joined: Feb 2010
Posts: 3,493
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From: NY
Dunno if this helps but this is the thread when my brakes did that to me.
https://www.ford-trucks.com/forums/9...ving-help.html
https://www.ford-trucks.com/forums/9...ving-help.html
Posting Guru
Joined: Feb 2011
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From: Princeton MN
When you do check it and you have vaccum dont go for the booster right away. if you have vaccum shut the truck off and then pull tha vac line at the booster if you hear a woosh of air id say the booster if not it may just be that little check valve elbow on the booster
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Post Fiend
Joined: Feb 2009
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From: Ottawa, Ontario
How does your heater work? How quick is it to switch from Defrost to floor and back to defrost?
It should move from one to the other quickly, if not then the vacuum pump is tired.
Back some years ago in the Rockies with my camper, the vacuum pump belt blew apart (aged) and the C6 was stuck in 2nd gear, had to manual shift it and had to use both feet and all my weight on the brake pedal to get that thing to slow down going down a hill!
It should move from one to the other quickly, if not then the vacuum pump is tired.
Back some years ago in the Rockies with my camper, the vacuum pump belt blew apart (aged) and the C6 was stuck in 2nd gear, had to manual shift it and had to use both feet and all my weight on the brake pedal to get that thing to slow down going down a hill!