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How can you tell if the mastercylinder is bad

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Usually leakage around the firewall area or if pedal fades

Posted on Nov 03, 2012

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The ABS on Blazers are tough to bleed.

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rear brakes has two brake lines from mastercylinder to both rear wheels cylinders. front brakes has two brake lines from mastercylinder to front brake calipers for each front wheel.

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The clutch is going straight to the floor I think it's a bad cable or something of that nature how do I fix it?


check the clutch brake mastercylinder if low your clutch has air in the hydralic system you have locate leaks at clutch brake mastercylinder brake lines

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Rear rotor replacement for a 1985 mercadies benz 500 sel


YOU NEED TO SAFELY RAISE SUPPORT REAR OF VECHICLE ON JACKSTANDS. MAKE SURE VECHICLE PARKED ON SOLID LEVEL GROUND. YOU NEED TO SIPHON JUST A LITTLE BRAKE FLUID OUT OF THE MASTERCYLINDER.BECAUSE YOU NEED TO USE LARGE C - CLAMP TO COMPRESS FORCE PISTONS BACK IN THE CALIPER BORES USING LARGE C - CLAMP DOING THIS WILL ALLOW YOU ENOUGH ROOM INSTALL NEW REAR BRAKE PADS.TO REMOVE REAR PADS ONCE YOU COMPRESS PISTON BACK IN THE CYLINDER BORE. YOU CAN TO REMOVE REAR BRAKE PADS BY REMOVING RETAINING PINS IF EQUIPPED OR BRAKE PADS HELD IN PLACE BY RETAINING BOLTS.ONCE YOU HAVE NEW REAR BRAKE PADS INSTALLED.PLACE MASTERCYLINDER COVER BACK ON TOP OF MASTERCYLINDER THEN PUMP BRAKE PEDAL TO SEAT NEW REAR BRAKE PADS AGAINST THE ROTOR UNTIL BRAKE PEDAL FEEL FIRM AND SOLID.THEN RECHECK BRAKE FLUID LEVEL IN BRAKE MASTERCYLINDER ADD LITTLE MORE FLUID IF NEED DONT OVER FILL MASTERCYLINDER.

Sep 11, 2011 | Mercedes-Benz 500-Class Cars & Trucks

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I am looking for an engine diagram for a 2000 Oldsmobile Alero so that I can locate the master cylinder but I have been unable to find one - can you tell me where to look or where it is located?


LOOK ON DRIVER SIDE.LOOK ON BACK FIREWALL YOU SEE BRAKE POWER BOOSTER UNIT IT LOOKS LIKE BIG METAL BOWL WITH LARGE VACUUM LINE GOING TO IT.THE MASTERCYLINDER CONNECTED TO BIG METAL BOWL LOOKING UNIT.MASTERCYLINDER HAS FOUR SMALL METAL BRAKE LINES TO IT AND IT HAS A SMALL BLACK SCREW CAP ON IT.AND THE CAP WILL SAY BRAKE FLUID.THATS YOUR MASTERCYLINDER.

Jan 29, 2011 | Oldsmobile Alero Cars & Trucks

2 Answers

Need to changer mastercylinder.


Hi,

This is how you go about it;


1) Detach brake line connections from MasterCylinder



2) Detach brake pedal connection to MasterCylinder inside the car


3) Unbolt and remove old MasterCylinder



4) Bench-bleed new MasterCylinder,



5)Do the reverse of steps 1-3





6)Finally, you need to bleed the entire brake system and make sure pedal-height is normal. Honda specifies using a depth gauge to set pedal height



Take care

Sep 03, 2010 | 1997 Honda Accord

1 Answer

1987 Maxima-5 speed is difficult to grt in to gear--How to adjust clutch and check clutch hydraulic fluid?


TO ADJUST PEDAL HEIGHT ADJUST WITH A STOPPER LIMITING THE UPWARD TRAVEL OF THE PEDAL.PEDAL FREE PLAY IS ADJUSTED AT THE MASTERCYLINDER PUSH ROD.IF PUSH ROD IS NON ADJUSTABLE FREE PLAY IS ADJUSTED BY PLACING SHIMS BETWEEN THE MASTERCYLINDER AND THE FIREWALL.ON A FEW MODELS PEDAL FREE PLAY CAN ALSO BE ADJUSTED AT THE OPERATING SLAVE CYLINDER PUSHROD.PUSHRODS ARE AVAILABLE IN THREE LENGTHS FOR THE 310.PEDAL HEIGHT ABOVE FLOOR IS 6.73 - 7.13 INCH PEDAL FREE PLAY IS 0.04 - 0.12 INCH.YOU HAVE CLUTCH FLUID LONG AS YOU SEE BRAKE FLUID IN MASTERCYLINDER.IF MASTERCYLINDER LOW YOU HAVE TO BLEED THE THE CLUTCH MASTERCYLINDER BY LOCATING BLEED SCREW ON SLAVE CYLINDER. REMOVE THE BLEED SCREW DUST CAP.ATTACH A CLEAR TUBE TO THE BLEED SCREW.PUT OTHER END OF CLEAR TUBE IN A CLEAN CONTAINER OF BRAKE FLUID.FILL THE MASTERCYLINDER WITH BRAKE FLUID.OPEN BLEED SCREW 3/4 A TURN.DEPRESS CLUTCH PEDAL QUICKLY.HOLD IT DOWN.HAVE A HELPER TIGHTEN THE BLEED SCREW.ALLOW PEDAL TO RETURN SLOWLY.BLEEDER SCREW TORQUE IS 5 - 6 FT LBS.IF YOU SEE AIR BUBBLES CLEAR BLEED TUBE.REPEAT THE BLEED PROCESS UNTIL YOU SEE NO AIR BUBBLES.DONT LET CLUTCH MASTERCYLINDER GO DRY WHILE BLEEDING.IF SO YOU GOT START BLEEDING PROCESS ALL OVER.HOPE THIS HELP.

Aug 05, 2010 | 1987 Nissan Maxima

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Breaks went out 2006 grand caravan. first lost power brakes and pedal was hard to push then went to the floor now goes all the way down and wont build pressure. checked all lines its full of fluid with no...


IT sounds like your brake mastercylinder has went out so what you need to do is get a new mastercylinder and replace that and bleed out the whole brake system after you put on the new mastercylinder.

May 03, 2010 | 2006 Dodge Caravan

2 Answers

ABS light


There is a switch below your mastercylinder. This is the sensor. Sometimes you can tap on this sensor, and make it go out. You might have to get someone to pump up the brake pedal, then break the line to get the air bubble from around the sensor. This should fix the problem. Also check your fluid level in the mastercylinder before doing anything.

Feb 01, 2009 | 1994 Chevrolet Impala

1 Answer

2000 mercury cougar with a brake problem...please help!!


hello sounds like mastercylinder bad and maybe powerbooster which is behind mastercylinder , next you need the brakes bled please becareful and god bless you and your car.

Jan 14, 2009 | 2000 Mercury Cougar

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