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Total loss of power,brakes,possible reasons please.

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  • Cars & Trucks Master
  • 2,039 Answers

Mr a what model your brake pedal is hard does it go to the floor tell me

Posted on Mar 29, 2015

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Posted on Jan 02, 2017

  • 593 Answers

SOURCE: Total loss of power steering on Ford EL futura.

The first thing to do is, isolate the problem. Crack the
the pressure line loose at the back of the power steering pump. If you can get at it, if not, jack it up put a stand under it and try to loosen it from the bottom.Or you can loosen the pressure line into the
rack.(or steering box as I don't know the year of the car) Snug up the line, and put on safty goggles.
Have somone get behind the wheel. Make sure the
ps fluid is full. Start the car and slowly loosen the line
a bit so the fluid shoots out have your helper turn
slightly to the right and back to center, then slightly
left and back to center. Each time the wheel is turned
the pressure should increase, if that happens, the
problem is in the rack.(or box) But if you have weak
pressure from the pump, the pump is bad.
Hope this helps. G,Day

Posted on Jan 23, 2010

Testimonial: "Thanks for that. Nothing at all coming out. Even when completely out! Will replace, fix or adapt another pump out of a Holden VR... Thanks again"

steve_e_uk
  • 1675 Answers

SOURCE: exp. sudden, total loss of brake pressure 1992

hi this sounds like you have a major leak possibly the master cylinder or rear slave cylinder has blown its seals, cheack under the vehicle at the rear and have a look at the back of the wheels if they are dark and verry wet or one is, then you have found the leak, you can also try looking under the hood, where the brake master cylinder is ( this is where the brake fluid is normally put in ) and check there to see if there is any damp/wet patches running down the bulk head/fire wall, you can also check the inside of the vehicle where the brake peddal is attached to the vehicle and see if the carpet is damp, this will be the master cylinder seals have blown, and will need replacing, unit or seals depends on what you can get .....hope this helped

Posted on Mar 15, 2010

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1 Answer

2002 Dodge Grand Caravan leaking fluid


Since the Caravan is front wheel drive, there would be no transmission lines running to the rear of the vehicle. This reduces the possibilities to either a fuel leak, or a brake line. If you smell the fluid you should be able to tell immediately if it were gasoline. This would be a dangerous thing. Fuel leaks must be isolated and repaired quickly to avoid risk of fire. If it were brake fluid, and the leak were stead, you should, if you inspect the brake master cylinder reservoir, a lower level of fluid than normal, possibly even a total loss of fluid in the rear chamber. If so, then the brake line to the rear has probably ruptured from age/corrosion. It must be repaired or replaced.

Dec 07, 2013 | 2002 Dodge Grand Caravan

Tip

Brake System Maintenance For Safety


The brake fluid that we have inherited is rather a poor compromise dating back many years, and unfortunately there is little we can do about it because any replacement will not be compatible with the Glycol Ether based fluid we use. It has most of the qualities needed in a hydraulic brake fluid, such as some lubricity, high boiling point, high flash point and very low compressibility, but it has several very bad properties, the worst being that it is reasonably hygroscopic - it absorbs moisture from the air. This moisture forms globules and eventually droplets of water which find their way into the lower parts of the brake system, the wheel brake cylinders, and there it sits, peacfully eating into the cylinder walls.<br /> To overcome this danger and protect the braking system of any vehicle, it is imperative that the brake fluid should be changed regularly, at least every two years, and in moist climates, once a year.<br /> What this entails is removing the old fluid from the reservoir, refilling it with fresh fluid and then bleeding each wheel until new fluid is seen coming out of the bleeder tube. During this operation it is important to ensure that the reservoid is kept full or air will be introduced into the brake system and the bleeding process will have to be done over again.<br /> This may sound like a major task, but it will save costly wheel cylinder replacements and prevent the danger of brake failure due to contaminated friction surfaces or through total fluid loss because of leaking corroded brake components. <br /> As little as 4% contamination will lower the boiling point of the brake fluid from 230 deg. Celsuis to about 150 deg. Celsius, greatly increasing the possibility of brakes fading or locking under emergency conditions.<br /> Water contaminated fluid also damages the rubber flex hoses in the system leading to clogging or perishing of the pipes with the possibility of brakes locking and causing skidding.

on Mar 17, 2011 | Acura CL Cars & Trucks

1 Answer

Total brake failure


Did you check to make sure the master cylinder reservoir is still filled with brake fluid? There are lots of possibilities and all involve loss of hydraulic pressure. Leaks from the wheel cylinders, brake lines or master cylinder. Start with the easy things first, look around all four wheels for wet spots ie fluid on the ground. If you find no leaks anywhere and the reservoir is full you probably need anew master cylinder. Should only cost about $50 and are easy to change out.

Jan 17, 2013 | 2003 Chevrolet Malibu

1 Answer

Jeep Grand Cherokee - 1995 - Intermittent electrical fault. When driving along the power fails for the dashboard completely; the dials and gauges fail, all the lights go out and the radio turns off. It is...


USA CAR>?
power loss 12vdc to cluster.
basic, simple loss can happen. easy
get it fixed?
any shop in town can. that is what 99% do today

if not read the book the sm is free,
takes a $20 DMM meter to find it,
replace the 2 cluster fuses yet, that brake thing is very very odd.
sound to me like engine stall, and total vacuum loss as side effect.
brake hard is not the correct word
brakes hard and work perfectly as manual brakes do
and only the vacuum assists fails
in fact the brakes are totally ok ,just takes more pedal pressure.
BY DESIGN !@!!
its not unsafe unless 85 lb granny drives it.. see?
fuses, are first (always and for SURE 1995)

the book, and click ZJ
then click wiring
Chapter 8w page 40+
this cluster has a VOLT METER
see that?, if it goes to zero (tells you catastrophic power loss)
and head lamps work (DO THEY)???
then the key switch failed.? can be.... but...
or fuse block fuse 21 or 22 below. (or are loose or defective,rusty)
cab box both 15amp ATC fuses.
or fuse 12, under hood. 40amp.




http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service

simple no? battery dead, not if Head lamps work)
fuses (all 3) the key switch wiggle it yet?>>>>>?????????
and wires. bad. id bet it not ground G106 bad.

1995-m1auzjphmyem43ddgr3cysau-2-0.jpg

Mar 12, 2017 | 1995 Jeep Grand Cherokee

1 Answer

Exp. sudden, total loss of brake pressure 1992


hi this sounds like you have a major leak possibly the master cylinder or rear slave cylinder has blown its seals, cheack under the vehicle at the rear and have a look at the back of the wheels if they are dark and verry wet or one is, then you have found the leak, you can also try looking under the hood, where the brake master cylinder is ( this is where the brake fluid is normally put in ) and check there to see if there is any damp/wet patches running down the bulk head/fire wall, you can also check the inside of the vehicle where the brake peddal is attached to the vehicle and see if the carpet is damp, this will be the master cylinder seals have blown, and will need replacing, unit or seals depends on what you can get .....hope this helped

Mar 15, 2010 | 1992 Toyota Pickup

1 Answer

Power issues... Total power loss only when turning key to "on".


Sounds like poor battery circuit connection breaking down under load. Make sure battery is charged and battery connections are clean and tight. Otherwise, the circuits will have to be traced further back.

Jan 15, 2010 | 1997 Saturn SL

1 Answer

Brake hydrolic pressure loss.


you still have air in the system,you need to cross bleed the system,RR,LF,LR,RF.if this does not work you might try picking up a hand operated vacum pump to help get all the air out.

Apr 29, 2009 | Toyota Land Cruiser Cars & Trucks

2 Answers

Soft brakes


then you will need a master cylinder or a brake booster

Jan 30, 2009 | 1988 Jeep Cherokee

1 Answer

Total loss of electrical power


Is your battery charged up? Check your battery connections. If it is the original battery, it is possible that it could have failed by now.

Good luck.

Dec 24, 2008 | 2005 Mazda Tribute

2 Answers

Brake goes to floor with new mater cylinder question about power booster


If your pressure is good in till you start your truck it is the power booster. i just fixed this problem. If it is not your master then that is the problem. I had to replace the whole brake system to find this out.
Tim

Nov 01, 2008 | 1992 Ford F250

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