Question about 1980 Yamaha XJ 650

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How do i get the piston out of the front brake master clyinder

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Two ways... once the caliper is removed.
1st, but this is a little dangerous, put a piece of wood where the pads would go and use compressed air where the brake line banjo fitting goes. The piston will come out like a cannon ball.
2nd, messy but safer, i got a bolt that threads into the brake line banjo fitting hole. drilled a small hole through the length of it in the center, and then drill and tap to allow a grease fitting to go into the top of the bolt, thread this into the caliper, and pump grease into the caliper which will force the piston out slowely.

Posted on Dec 11, 2009

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Posted on Jan 02, 2017

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1 Answer

My 1995 Pontiac Transport why am I not getting anything when I try and bleed the brakes out of the driver's front and passenger rear


indicates that the master cylinder piston for those lines is not working
In all master cylinders there are 2 pistons so that there is not a complete loss of brakes
one piston feeds your brakes and the other piston feeds opposite brakes

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1 Answer

Brakes jammed on


The causes and remedy for brake jamming:
As a first aid, loosen and then tighten any one of the front wheel bleeding nipple. This will free up the brakes.
- Front calipers pins jammed. (Re-grease the pins with graphite grease)
- Front calipers pistons jammed. (Remove the caliper one by one, do not remove the brake pipe, depress the brake pedal only one time then release, lift the caliper boot at one side with abrupt tool, just as we lift up our eye lid with thumb and index finger, pour few drops of brake oil DOT 3 into the boot, push back the piston to allow the caliper to fit on pads.
- Rear wheel's pistons jammed. (Free up the pistons, inspect the brake washers, replace rear wheel cylinders if brake washers are found swollen).
- Brake master cylinder defective. The brake jamming problem often arises when the brake master cylinder washers swell up due to aging or using wrong grade of brake oil. In such cases the washers expand and block the return line of the brake oil. If so, replace the brake master cylinder with original one.

Mar 06, 2014 | 2003 Toyota ECHO

1 Answer

Have a 99 Toyota camry n brake light is on after changing right front brake caliper


Master cylinder fluid piston has entered into a brake safe mode.
when the high pressure brake system is opened in any way, the brake master cylinder piston reaches to the far end of the master cylinder which trips the brake system warning light.

This brake light condition is due to sudden loss of brake fluid pressure on the right front brake caliper assembly during the replacement.

Left rear brake caliper bleed valve will ned to be "opened" until master cylinder piston travels into the opposite direction which "resets" the brake system warning light.

Dot 4 brake fluid recommened for most, but not all vehicles.
Reference vehicle to owners manual for replacement fluid is replaced under master cylinder brake system cap.

Aug 18, 2013 | 1993 Buick Park Avenue

1 Answer

1999 Yamaha Kodiak Front Disc Brake - Rebuilt master cylinder with new parts. Replaced orings on piston in front caliper and bleed brakes using new fluid. The piston will not retract. What is proble


The brake hose is clogged. When under pressure from applying breaks, the piston is forced tight to the rotor. When released the fluid will not return through the hose because there is no real pressure. Replace the hose.
murf427

Jul 31, 2012 | Cars & Trucks

2 Answers

Brake pedal goes to the floor under constant presure. New wheel cylinders, vacuum boost, master cylinder, shoes. Everything bled, and no leaks anywhere. Any thoughts?


DID you bleed in this sequence.... Right rear wheel, left rear wheel, right fron wheel, left fron wheel, ABS hydralic fittings, & finally the Master clyinder? If not you will have air in the lines

Dec 18, 2010 | 1995 Ford F250

1 Answer

I have a 94 ford 350 460 engine gas. i replaced the brakes and everything but my brake petal still goes to the floor i hear a "swooshing" sound by the master cylinder when i push on the petal. Im...


I sounds like you have air in the system I would start by bleeding the entire system,when did the wooshing sound start before or after you replaced the brakes,and witch brakes did you replace(front,rear or all)

Sep 01, 2010 | 1994 Ford F350 Crew Cab

1 Answer

How do i change front brake pad on this car merecy sable 1989 -99


Remove the wheel, remove the 2 bolts holding on the caliper to the caliper carrier. You will need a large C-Clamp or a cailper piston tool. Place an old brake pad against the piston in the caliper and use the C-Clamp to push the brake pad against the piston to collapses the piston into the caliper. Also open the master cylinder cap and place a towel around the area to catch any brake fluid that would come out of the master cylinder as you collapes the piston, this is normal, but doesn't always happen, depending on the level of fluid in the master cylinder. Install the new pads and reinstall the caliper and wheel. Make sure you pump the brake pedal a few times before you take off, to get the pads against the rotor.

Mar 16, 2010 | 1999 Mercury Sable

2 Answers

I need step by step info to replace my front brakes for a 04 xter


I suggest that you visit the autozone.com website and register the car. It doesn't cost anything and you will have access to an online repair manual for the car. Pretty handy. The steps for replacing the brakes should be available there. Hope this helped and best wishes.

Sep 04, 2009 | 2004 Nissan XTerra

3 Answers

Front passenger side brake problem


i would try the perportioning valve

Aug 15, 2009 | 1993 Oldsmobile Achieva

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