Question about 1997 Ford Taurus

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No power brakes ' - 1997 Ford Taurus

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Your brake booster went out, or you have a major vacuum leak, provided the pedal is still firm when you press it. It'll usually feel like stepping on a rock, but the brakes will still work to a small degree. The booster is more likely. If the pedal goes to the floor, you have air in the system, a blown brake hose, wheel cylinder, or caliper.

Posted on Nov 19, 2009

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Posted on Jan 02, 2017

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Have 1993 Chevrolet P30 with 454 engine.Lacks power on hills and for unknown reason right rear brake caliphers pick-up. Shut off engine, wait 5 min. and restart, brakes release and able to...


Hello..I'm not sure what you mean when you say
"right rear brake calipers pick-up."

If you have power brakes with a brake booster, vacuum decreases in the power booster as the throttle opens. If you have a hydra boost system, the power steering pump provides the power assist. All system components (master cylinder, power steering pump or booster, power brakes proportioning valve, lines and fittings, calipers and pads and emergency brake) all need to be in good condition with no leakage or out of spec adjustments... to perform properly.

As you are loosing power while under heavy load uphill I would first check to confirm none of the brake calipers are hanging up (lift each wheel and check for free travel..no drag with brakes and emergency brake off)

The exhaust systems ability to flow freely is also critical. A plugged up exhaust system will not allow the free flow of exhaust gasses and severely limit the available power output of the engine...like driving with the choke plate closed.

Check here for more information about brake bleeding:


RV Net Open Roads Forum info Chevy P30 hydro boost brake power sterring...

Aug 11, 2017 | Chevrolet Cars & Trucks

1 Answer

1998 monte carlo brake lights dont come on


This is fairly easy to diagnose. Down by the brake pedal there is a switch. You may have to remove some trim panels to access it. There should be one wire with power all the time. There should be another wire that has power only when the brake pedal is depressed. If there is no power on any of the other wires with the brake pedal depressed than the switch is bad.

If there is power than the more common problem is the turn signal switch. I know it doesn't sound like it could be the problem but let me explain how it works. the turn signal and the brake use the same bulb. In order for the correct power source, brake lights or turn signals, to get to the correct bulb the turn signal switch is used. If you are not turning the power from the brake switch is routed through the turn signal switch and then sent to the two brake brake bulbs. If you are turning to the right power from the brake switch is cancelled to the right bulb and replaced by power from the turn signal flasher.

One quick way is to see if the third brake light is working. If it is you know the brake switch is working since power to the third brake light bypasses the turn signal switch.

Good Luck and let me know how it goes!

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Aug 14, 2015 | Cars & Trucks

1 Answer

Occasionally when you first start the car the brake pedal will barely move and it is hard to stop the vehicle when rolling in the driveway, like the power brakes aren't working.


Power brakes are operated by engine vacuum. It sounds like you may have a leak in the power brake vacuum system, so when the engine isn't running, the vacuum leaks away, and you have no "power" in your power brakes. Once the engine is running, the vacuum is built up over several seconds, and you have power for braking again.

I would check the vacuum lines for cracking and the power brake module for vacuum leaks.

Jun 08, 2015 | 2006 Saab 9-3 Aero

1 Answer

HArd brake pedal and low stopping power after changing brake booster


I had my power brake booster go bad and I replaced mine as well as bleed the brakes that when I went and tried them out 'I slammed on my breaks early before getting to close to the light' that my car left skid marks all over that road because the brakes worked like power brakes should and yours sound like your booster was installed wrong or the pads are bad or you didn't bleed all the air out of the line. Your problem you described was like it felt before I replace brake booster ie lousy non power brakes when I had power brakes.

Mar 23, 2014 | 1999 Buick Century

1 Answer

Adjust brake light switch


The brake light wire leaves the brake switch and goes into the turn signal switch. They often share the same wire: the rear turn signals and the brake lights. When turning, that side is routed through the turn flasher, but you get a steady brake light on the other side.
So you have power to the brake switch. Pull apart the connector for the turn signal switch, and see if you have power in on the brake wire (with brake depressed of course) going into the turn switch. If you have power in, plug the connector together, and see if you can backprobe the connector with test light or voltmeter, looking for power out to the rear brake lights. If power in, but no power out, the turn switch is probably bad.

Dec 31, 2013 | Ford E-150 Cars & Trucks

1 Answer

2002 jaguar x type how do remover brake booster hoes connector from the manifold


Check the help link below and follow the procedure:----

How to replace Brake Power Booster?

http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-brake-power-booster.html

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Where is Power Brake Booster located on Car?

http://howtobyme.blogspot.com/2011/12/where-is-power-brake-booster-located-on.html

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How to Replace Power Brake Booster on 1996 GMC Jimmy?

http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-power-brake-booster-on.html

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These will help.
Thanks.

Nov 28, 2012 | Cars & Trucks

1 Answer

No Brake lights-- Bulbs & Fuses ok, also no cyclops at all


Hi my name is mike ! make sure with a test light that you have 0 power to the light back ther ,and if not then take a test light and check down by the brake pedal at the wires that go to the brake light switch ,check all of the wires for power and there may be more than one that has power to it ,do this without hitting the brake ,remember which wire or wires had power to them ,then hold the brake and one of the wires that didnt have power before holding the brake ,should have power to it now because when you hold the brake on it should close the brake light switch and send power to the lights ,if you dont have power coming through that switch when holding the brake pedal down ,then replace the switch .

Jul 28, 2009 | 2000 Dodge Grand Caravan

2 Answers

No brake lights on 95 Suburban


Bad or borken wire harness in the steering coloum. check power to brake switch, should have power on one side, if not check the fuse if fuse is good and you have no power then your turn signal switch or harness is bad.

Jun 13, 2009 | 1995 GMC Suburban

1 Answer

2001 chevy sylverado 2500hd power steering and power brakes quit


check power steering fluid. first. if all good . power steering is going. your hydro boost brake system depends on the power steering pump if it goes out your brake go out.

Jan 12, 2009 | 2001 Chevrolet Silverado 1500

2 Answers

Hard pedal low stopping power


First you need to check the brakes lines and the brake pads must be replaced on your car they may be worn out........ Get it checked from the local service center........

May 30, 2008 | 1991 Buick Regal

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