Question about 1998 Jeep Grand Cherokee

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Hard braking brakes need to be pressed harder (than my other vehicle) to work

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  • Jeep Master
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Veh, comparisons. that be bad idea.
power assisted brakes very greatly in that word POWER.
first off, the brakes need to great.
then the assist active
try driving with the booster (safely) defeated. (pull hose and plug it)
is that 6 times harder to brake, that is normal.
if the same, then the booster is failing, they can.

Posted on Apr 21, 2014

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Posted on Jan 02, 2017

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SOURCE: 02 jeep grand Cherokee 6 cyl seems to idle too

check for vacum leaks using a spray bottle of water  when the idle frops you found it  if water wont work try starting fluid or carb cleaner  if useing these the idle may increase  when you find it  replace/repair the hose and see if its still happending  could also be a combination of things  idle speed control motor idle air control motor  mass air flow sensor  good luck    

Posted on Mar 28, 2009

  • 2 Answers

SOURCE: i hear a grinding noise when i hit the brakes...replaced the brakes and its still there

check you brake pads, there might be no pad left so you stopping metal to metal if this is the case you will need brake pads and rotors

Posted on Apr 18, 2012

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There is a running pump sound when I put on brakes and sometimes when I don't hit brakes and a grind sound


Shelly, in most cases, these can be cured by replacing your brake pads/shoes. However, you stated that you are hearing a "pump" sound when you depress the brake peddle. So this is telling me that you may have either a vacuum issue, or having an issue with your "Brake Booster". That also runs off a vacuum. A little info for you. ^^ When your engine is running, the entire system is put under a negative vacuum. This controls things like cruise control, and vacuum assisted brakes. Older vehicle did NOT have a vacuum assist, and were called "Manuel Brake" systems. While these were more reliable, the were harder to push the peddle until the brakes worked. As an example, with your car turned off, depress your brake peddle about 3 times and then try to press it as if you were stopping. You will find that the peddle is much harder to press than if the engine were running under the vacuum. The reason I asked that you depress the peddle 3 times, is when the engine is off, you are no longer building pressure, so this pressure is naturally bled off when you use the brakes. If this does not happen, and your brakes are always hard to depress, then for sure your having a problem with your brake booster. I hope this helps, and good luck. ^^

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Mar 09, 2016 | Cars & Trucks

2 Answers

My 2007 ford edge brakes are so hard that the car want hardily stop unless I press ******* brakes. I bleed the brakes and still doing it. What is this?


have the brake pads and disks checked immediately

also have the servo looked atm you need to do this before driving the vehicle ....it is a hazard to yourself / family and other road users.



You say you have bled the brakes why?
Have you checked the wheel cylinders are not leaking brake fluid on the pads which might be why the vehicle is not stopping

Jun 24, 2015 | 2007 Ford Edge

1 Answer

What does the proportioning valve do?


Assuming you're talking about the brake system...
The proportioning valve is on the rear brakes only when the vehicle has rear Drum Brakes.
What it does is limits the brake line pressure to the rear brakes during normal stopping. This way the rear brakes don't lock up and cause the vehicle to fish tail or spin.
When you press the brakes harder than normal, the proportioning valve opens more to allow more line pressure so you're able to stop faster.

Jul 10, 2014 | 1983 Jeep CJ7

2 Answers

How do you know that a brake booster is bad?


Booster problems are rare but they do go bad sometimes.
A bad booster generally causes the brake pedal to feel hard to push down, and a lot of pressure on the brake pedal is required to make the car stop.
Rarely, a vacuum brake booster will develop a vacuum leak, which can cause engine performance problems, hissing or whistling noise, as well as requiring increased pressure on the brake pedal to stop.

The first test:
With the vehicle parked, turned OFF, and the parking brake set, pump the brake pedal 5 to 6 times. If the pedal gets harder to push after several times, your booster is probably good.

The second test (To make sure):
After the test above, without making any changes, press and hold the brake pedal with light to moderate pressure.
Now with your foot still on the brake pedal, start the vehicle.
If the booster is good, you will feel the pedal go down when the engine starts.

Hope this helps!

Jun 21, 2014 | 1993 Cadillac DeVille

1 Answer

97 chevy suburban k1500 brake lights work when barely touched then go off when pressed harder


Check your Brake Switch on the Back of your Brake Pedal, you have loose wires or your switch is not working properly

Apr 09, 2013 | 1997 Chevrolet K1500

1 Answer

Brakes work but have to press down harder to get them to stop completely. My son put the brake shoes on and tried to bleed them, but he said he needs to find out the right calibration for this vehicle.


right calibration ??? no you need a proper mechanic here as what is wrong is the brakes need adjusting up on the automatic adjusters so the clearance between the shoe and the drum is minimised and this is a very skilled job so i would ask a local mechanic to do this for you .

Aug 18, 2011 | Chrysler Voyager Cars & Trucks

2 Answers

I have a 2001 ford taurus and every time i push the brake pedal my brakes dont brake right and sounds like air is leaking


Is the brake pedal getting harder to depress? Also have you had any work done on the vehicle immediately prior to this problem? If the pedal is getting harder to depress it could be a failing power brake booster if your car has one. Some ABS systems are different than others

Feb 17, 2011 | 2001 Ford Taurus

2 Answers

Brake lamp came on


The Brake System Indicator normally comes on when you turn the ignition switch ON (II). It is a reminder to check the parking brake. It comes on and stays lit if you do not fully release the parking brake. If it comes on at any other time, it indicates a problem with the vehicle's brake system. In most cases, the problem is a low fluid level in the brake fluid reservoir. Press lightly on the brake pedal to see if it feels normal. If it does, check the brake fluid level the next time you stop at a service station.
However, if the brake pedal does not feel normal, you should take immediate action. Because of the brake system's dual-circuit design, a problem in one part of the system will still give you braking at two wheels. You will feel the brake pedal go down much farther before the vehicle begins to slow down, and you will have to press harder on the pedal. The distance needed to stop will be much longer.
Hope this helps you.

Nov 16, 2009 | 2001 Honda Odyssey

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