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Anonymous Posted on Oct 20, 2015
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What does master cylinder do for a car - Cars & Trucks

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Terry Hair

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  • Cars & Trucks Master 4,134 Answers
  • Posted on Oct 20, 2015
Terry Hair
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Depends upon which master cylinder you are referring to. All cars have a master cylinder in the brake system. This device contains a reservoir for brake fluid and is activated when you press the brake pedal to provide the hydraulic pressure that runs through the brake lines to the wheels to provide stopping power. If the car has a manual transmission, it may also have a master and slave cylinder in the clutch system. Works similarly to the brake system but the hydraulic pressure here is used to disengage the clutch disc from the pressure plate to allow for shifting.

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0helpful
2answers

Where is the clutch master cylinder reservoir on a Hino Dutro 300
I don't know but if you don't have a vehicle handbook I suggest you order one from the dealer - that and many more answers can be found inside.

If the truck uses hydraulic brakes the clutch system might share the Brake reservoir in line with modern practice. The clutch master cylinder appears to be fed with fluid through a hose so if you can find the master cylinder and follow the hose it will lead you to the reservoir.
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Jul 03, 2020 • Cars & Trucks
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How much does a master cylinder cost for a 1998 Kia Sportage ex
Kia Sportage Master Cylinder Brake System
http://www.autopartswarehouse.com/search/?N=0&Nr=AND(wpn_tl_name:Brakes%5C%2C+Suspension+%26+Steering,wpn_cat_name:Brake+Master+Cylinders%5C%2C+Boosters+%26+Components,wpn_scat_name:Brake+Master+Cylinders+%26+Components,part:Brake+Master+Cylinder)
Get the Best Priced Kia Sportage Master Cylinder
https://www.oreillyauto.com/shop/brake-systems-16456/brake-hydraulics-16513/brake-master-cylinder-11289/2000/kia/sportage?viewName=redirect%3A%2Fshop%2Fbrake-systems-16456%2Fbrake-hydraulics-16513%2Fbrake-master-cylinder-11289%2F2000%2Fkia%2Fsportage
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Jul 14, 2017 • Kia Cars & Trucks
0helpful
1answer

What is a master cylinder
the master cylinder is that unit connected to the end of the clutch pedal normally in the engine compartment bolted to the fire wall
most have a oil reservoir on top but later models use the brake master cylinder reservoir with a hose connected across
of course if you don't know what a master cylinder is then the information you got may be inaccurate as a lot of manual cars use a cable in which case there will be no master cylinder
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Jun 08, 2017 • Cars & Trucks
0helpful
2answers

2006 chevrolet cobalt clutch issues
Just because the master is new does not mean it isn't faulty. If you are certain you have bleed all the air from the system, I suspect you got a bad master.
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Nov 21, 2012 • 2006 Chevrolet Cobalt
0helpful
1answer

How do u replace the master cylinder on a 95 lincoln towncar?
  • Unplug the brake lines from master cylinder. Be careful with brake fluid spilling out, it is toxic and corrosive.If needed use a plastic container to collect fluid.
  • Disconnect electrical connectors.
  • Unscrew the nuts securing the master cylinder to the brake booster.
  • Remove master cylinder.
  • Perform procedure in reverse order to install the new master cylinder. After installation is complete, refill the master cylinder with brake fluid and perform brake bleeding procedure.Use only brake fluid stated in manufacturer specifications.
Here a diagram. The master cylinder is part 10 below reservoir part 9:

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Sep 08, 2011 • 1995 Lincoln Town Car
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1answer

I think i need a master cylinder in my 1994 pontiac bnneville? How hard/easy it it to replace myself. I can purchase ne for around 50-60 dollars.
Yes it is not that hard to replace.

57435341
REMOVE OR DISCONNECT
  1. Retainer and electrical connector from fluid level sensor.
  2. Drain brake fluid front mister cylinder reservoir.
  3. Reservoir hose from master cylinder. Plug hose to prevent fluid loss and contamination.
  4. Brake pipes from master cylinder. Plug open pipes to prevent fluid loss and contamination.
  5. Two attaching nuts.
  6. Master cylinder.
  7. Reservoir, if it is to he used on replacement master cylinder.
INSTALL OR CONNECT
  1. Reservoir onto master cylinder, as needed.
  2. Master cylinder on to power booster.
  3. Attaching nuts. Tighten to 27 Nm (20 lb. ft.).
  4. Brake pipes. Tighten brake pipe fittings to 15 Nm (11 lb. ft.).
  5. Reservoir hose onto master cylinder.
  6. Fill master cylinder reservoir to full level mark using only Delco Supreme 11 Brake Fluid, or equivalent DOT 3 brake fluid.
  7. Electrical connector to fluid level sensor, secure with retainer.
  8. Bleed hydraulic system.
  9. Recheck fluid level in reservoir
113253687
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Mar 09, 2011 • 1994 Pontiac Bonneville
0helpful
1answer

Are the brake master cylinder and the clutch slave cylinder interconnect in some way? I'm told that the slave cylinder get its fluid from the master cylinder.
The brake system and the clutch master cylinder have the same fluid tank, look at the brake master cylinder fluid tank, on the right hand side about half way up is a hose that goes over to the clutch master cylinder, if fluid level is not above this hose the clutch will stop functioning. If the clutch slave cylinder, mounted on the front side of transmission bellhousing, leaks then the clutch will stop functioning. The slave cylinder has a bleed screw, check these items and fill and bleed as neccessary. Hope this helps, let me know.
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Jul 28, 2010 • 1995 Ford Escort
0helpful
1answer

How to replace master cylinder. what is the relationship between it and the power steering?
If you have a hydor booster the power steering pump runs your power brakes, make sure power steering level is at max, to replace master cylinder, unscrew both brake line, then unbolt both nut that hold master cylinder 15mm nut's, remove master cylinder, fill new master cylinder with DOT 3 brake fluid, bench bleed new master cylinder, new master cylinder will come with a bleeder kit, before installing, then install new one.
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Jan 28, 2010 • 1997 Chevrolet Astro
1helpful
1answer

Do you have instructions on removing and replacing master cylinder in 1993 GMC Sierra K3500 pickup?
REMOVING
Removing the master cylinder is really simple, only requiring a few steps. Keep in mind that brake fluid will eat the paint of the car. So use a plastic or vinyl type fender cover to protect the vehicle's paint. Brake fluid is water soluble so if you should get some on the paint, wash it off with plenty of water as quickly as possible.
  1. Using a siphon, an old turkey baster works great, empty the master cylinder reservoir and dispose of the old brake fluid in the proper manner.
  2. Disconnect the wire connector for the brake fluid level and/or brake pressure-warning switch, if your vehicle is so equipped.
  3. Disconnect the brake lines from the master cylinder with a line wrench. A line wrench is specially designed to remove and install hydraluic fittings without rounding them off.
  4. Remove the master cylinder mounting nuts, then the master cylinder.
  5. On non-power brake vehicles, disconnect the master cylinder linkage from the brake pedal underneath the dash.
  6. On models with separate fluid reservoirs, remove the reservoir.
REPLACING
Before installing the new master cylinder on the vehicle, it must first be bled using a specialized bleeder kit. The master-cylinder bleeder kit comes with tubing, clips and multiple adapters. Most new or rebuilt master cylinders come with a bleeder kit for that particular master cylinder.
  1. Begin by removing the cap.
  2. Follow the directions that come with the kit to select the suitable adapters, and then connect the adapters and tubes to the ports on the cylinder. The other ends of the tube extend down into the master cylinder, and are held in place by a plastic clip. Figure 2.
  3. With the bleeder kit installed, fill the master cylinder about halfway with new brake fluid. Use a large screwdriver to depress the valve assembly inside the master cylinder. If you do not have a vise you can mount the master cylinder on the vacuum brake booster and bleed the master cylinder.
  4. Small bubbles will appear in the fluid. Continue working the valve assembly until no more bubbles appear. This indicates that the cylinder has been thoroughly bled.Reverse the removal procedure to install the master cylinder, noting the following Refer to your service manual for any Master Cylinder Push Rod Adjustment procedures if your vehicle requires it.Bleed brakes as described under Brake Bleeding.Operate the brakes several times and check for external hydraulic leaks.This is fairly straightforward job. Replacing a master cylinder should take you about 1 to 2 hours, depending on the make and model of car. If you are rebuilding the master cylinder, add about another hour or so.
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Oct 12, 2009 • 1993 GMC Sierra K3500
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2answers

Clutch or master problem?
CHECK FOR ANY LEAKS STARTING AT MASTER CYLINDER THEN CHECK SLAVE CYLINDER AT G/BOX IF OK THEN BLEED CLUTCH MASTER CYLINDER OR SLAVE CYLINDER MIGHT HAVE WORN SEALS IN THEM THOUGH SO PARTS MIGHT NEED REPLACED.
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Dec 16, 2008 • 1993 Nissan 240SX
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