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Paul Boldrini Posted on Jan 07, 2019

My toyota 100 series with 1HZ FE 4.5 petrol is Coming up with master cylinder issues and the brakes arent working properly is it just a sensor

1 Answer

Neil Hansen

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  • Contributor 40 Answers
  • Posted on Mar 21, 2019
Neil Hansen
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Joined: Aug 02, 2010
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Probably a brake master cylinder . If it's all hydraulic it's best to replace the entire assembly .

5 Related Answers

Anonymous

  • 2004 Answers
  • Posted on Apr 06, 2009

SOURCE: Where can I get the user and service/repair manual Toyota HZJ77?

Try http://www.toyota.com

Make enquiries from them, they'll send you a pdf if you request for 1.

Rate this

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Anonymous

  • 1 Answer
  • Posted on May 10, 2009

SOURCE: HI 2oo1 hyundai sante fe .abs and traction light on , when i am going up a hill there is a humming type noise coming from engine and my brakes dont connect right away .sounds like its coming from mast

Hi. My girlfriend has the veh. and problem.. Me being a mechanic.. I checked all abs sensors and cleaned them of brake dust. I had found that there is a recall on this problem..What it is hyundai had put the abs ans traction control together,and if the tires start to spin the abs kicks in and helps get traction..Here is the problem.. when the brakes pads get wet there is alittle slip of rotor and pad which causes the light to come on,also when applying the brake at low speeds...What I had done was get the best rotors and pads,and that is helping

Anonymous

  • 720 Answers
  • Posted on Aug 16, 2009

SOURCE: 1995 Toyota Camry 4 cylinder runs hot

Hi,

Firstly, ensure you have the required 'mixture' of coolant/water (must have required coolant).

Second, I would recommend you re-test all the cooling system sensors again (make sure they're within specifications), in case a new one is faulty.

Third, ensure the new thermostat was of the correct temp setting (they all differ), so that it opens at the required time. Most cooling systems operate within 90 - 100degC.

Fourth, make sure the radiator (and associated hoses) aren't blocked.

If your temp gauge is reading higher than normal, but NOT in the danger zone...then this can be considered normal (especially if you've replaced with new components) and nothing to be concerned about.

However, if the temp gauge IS in the danger zone....then this suggests the coolant is not flowing through the cooling system properly.

If all above components test ok, then it's possible your water pump may not be pumping enough volume.

Cheers,

Testimonial: "I appreciate your help...Maybe I should just relace the water pump, that would be the last thing that I would need to replace."

Anonymous

  • 135 Answers
  • Posted on Aug 06, 2010

SOURCE: 1999 Toyota Camry, 4 cylinder. engine

REPLACE THE EGR VALVE ASSEMBLY !

Anonymous

  • 1 Answer
  • Posted on Aug 18, 2010

SOURCE: 100 series toyota landcruiser diesel 1hz, engine

Landcruiser 100 vx, 2003 model with engine number 1HD-FTE is not starting, I've found out that the fuel pump, starter, battery are all functioning well. Where next should I look at.

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Lets narrow this down a bit. You said all 4 wheels lock up. So the problem will will have a part in all 4 wheels. So knowing that, we can forget about the hose, master cylinder, and brake booster theories. It sounds like the ABS module is malfunctioning and surging. The Santa Fe's in the previous year had the same problem and were recalled. The problem with those was the ABS unit. Hope this helps you.
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I am doing repairs on a 100 series toyota diesel l/cruiser. my problem is, that i've changed a seized engine (2004 model) with a (1995 model), and both engines are the 100 series 1hz diesel range. But the...

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Break light coming on dash. Goes off and on. Is it safe to drive? What do I check for under the hood? and where?

Hello. Welcome to FixYa. Please allow us to assist you.

We are sorry that you are having issues with your Toyota.

What you are describing, the brake light illuminating on and off may be due to s low brake fluid condition in the brake master cylinder reservoir.

There is a sensor in the master cylinder that monitors the quantity of the brake fluid present. As the brakes wear, the fluid level drops proportionately.

What you can do:
Open the hood, and closely examine the fluid level in the plastic reservoir on the brake master cylinder. It is located at the engine side of the firewall, pretty much in line with your turn signal switch. Look at the side of the cylinder reservoir. There will be a "MAX" line, and a "MIN" line.
The Max is the proper fill level.

If the fluid level is close to the Min line, you probably need some front brake pads replaced.
This indicates a low fluid condition in the reservoir.

We would not suggest 'topping off' the fluid, just to extinguish the light. When you do get your brake pads replaced, the extra fluid will be forced out of the top of the reservoir, and the brake fluid will get on the paint under your hood. Brake fluid will damage your paint.

Suggestion: Get the front brake pads checked, replace them if they are worn.

Thanks for choosing FixYa today.
If you have any other questions, please feel free to get back to me.
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Most likely the free play required between the brake pedal and the debooster you replaced.
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Can i swap the Brake master cylinder over without "reprogramming"

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1996 T-100 dash brake light will not go out

The brake fluid level sensor in the master cylinder is stuck in the lower position which completes the circuit to illuminate the light.. Try tapping lightly on the side of the reservoir to loosen it. If that does not help, you will need to replace the level sensor.
Thanks for choosing FixYa for assistance.
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