Question about 2001 Nissan Quest

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Hissing brakes, low idle when brakes are pushed, hard to push down brake

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  • 15,645 Answers

Hissing under the hood?

Posted on Feb 17, 2014


4 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Brake Light

The hole in the pedal arm is for the cruise control. There is a plastic plug that needs to be in place to turn off the brake lights. They should be available at any dealer - there is also one for the clutch pedal arm in manual trans. These are required for the cruise as well as to turn off the brake lights. I bet that several will now be able to have their cruise back.

Posted on Nov 09, 2008

  • 66 Answers

SOURCE: brake fluid leaking out the back left tire area

you a have blown wheel cylinder replace it and the brake shoes bleed the system and your good to go

Posted on Jun 29, 2009

SOURCE: 2006 Nissan Pathfinder - VDC

While it is possible the brake cylinder needs replacing
I would be suspect of what a dealer tells you

If your bold enough to walk into the dealer service
bay from outside and talk to the tech that worked on
it,that would be where to start.

The VDC etc should be diagnosed with the proper
test equipment,scan tool etc.

I would talk to the tech,then go to a local repair
shop and spend some time explaining all the
issues,& make it clear your there only to work on
the Braking Electronics,no other checks or service
of any kind.

Posted on Apr 25, 2011

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92 4runner everything been changed. Brakes, booster, line to booster. Still the same brakes are every hard to push. Can't figure it out any idea. .

Usually theres a plastic valve mounted on the booster thats connected to a vacuum source. Remove it from booster(they usually just pull out) & hose, then suck& blow on one end. Air should pass only one way. If it passes both ways the valve should be replaced. Check to c if hose holds vacuum by placing thumb on hose end to feel for suction (motor running) & to listen for hissing. Replace hose if suction is low &or hisses. Could be a vacuum leak elsewhere in wich case performance would suffer & idle would be eradical.

Mar 28, 2016 | Cars & Trucks

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When I hold down my brake pedal on my au xr6 ford I hear a hissing sound and when I pump my pedal up with the ignition off then start the car my pedal doesn't move the pedal is very hard when I do eme

Sounds like you have a defective vacuum assist brake booster... Make sure you have a good vacuum supply with the engine running before condemning booster. If vacuum supply is between 17-20" of vacuum at idle and it is properly concreted to booster then the booster is defective

Jul 15, 2014 | 1999 Ford Falcon

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1996 Buick Park Avenue Ultra making a hissing noise when I press Brake Pedal. Have to Press super hard to stop or slow down.

Sounds like a possible air pocket in the braking system. Do you know how the bleed the brakes? They may need to be bled. Also, if you've added brake fluid recently, and didn't put the cap back on, it could create a suction. Another note is to check the cap to the brake fluid reservoir. It's rare, but, it could be bad.

Jul 10, 2013 | Cars & Trucks

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How can i know when brake booster is not working

In most cases if the power brake booster is bad, The brake pedal is very hard to push down. You may know it is starting to go bad if you hear a hissing/sucking noise when pushing the brake pedal. Hope this helps

Jan 09, 2013 | 1994 Honda Accord

1 Answer

Why would my brakes hiss when I step on them and cause the engine to rev up when I do this? It also makes the vehicle very hard to stop.

It sounds like your brake booster is leaking. The air hissing is the air going into the leak. This extra air goes into the engine and causes the engine to rev up. The booster is what makes it easy to push the brake, (when it is working correctly) which is why the pedal is hard to push.

May 31, 2012 | Chevrolet Blazer Cars & Trucks

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1993 Jeep Cherokee: hissing/weak brakes

If you are talking about when you push the pedal you hear an air noise and the pedal is real hard to push then you most likely have a bad power booster. If your pedal is weak and goes low to the ground you most likely have a bad master cylider as well. Best to just change both. For that year model shouldnt cost much and not hard to install.

Jul 11, 2009 | 1993 Jeep Cherokee Country

1 Answer

Idle goes up and down, check engine light on, brakes hard to push

Check engine for vacuum leaks at all hoses, hose connections, intake gasket etc. I have also seen retarded engine timing produce low vacuum. If no leaks, check anything in control system that controls timing...however, I believe you will find a leak before you need to go there. Also check Idle control valve and egr valve for malfunction or blockages.

May 28, 2009 | 2001 Chrysler PT Cruiser

1 Answer

Trouble Accelerating and brakes are a little loose

Does it make a hissing noise when you push on the break peddel? or do you hear what sounds like a whiseling noise when its at idle? thats all signs of a vacume leak, it sounds me to be a bad vacume booster Witch will acount for you having to push hard on the break peddel, and it running bad when you step on the gas.

Mar 20, 2009 | 1991 Cadillac DeVille

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