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If it is a brand new master cylinder, it needs to be bench bled. If it was removed from the vehicle, it needs to be bench bled. If the brake lines were disconnected from it and there was a lot of fluid loss, it needs to be bench bled. If the reservoir was empty or very low and sucked air when the brakes were applied, it needs to be bench bled. If in doubt, bench bleed it. It's one of your vehicle's most important safety features, don't risk your safety, or the safety of others, for the sake of saving a few minutes of time or doing a little less work.
What else can I help you with?
How do I bleed a 95 Chevy clutch master cylinder?
Need to know how to assemble 95 Chevy clutch master cylinder?
Why did my brake pedal on my 1999 grand am go right to the floor and when I changed the master cylinder it bled the whole system and I have no leaks what should I do?
Get someone to help you and bleed the brakes again. You should have bench bled the master cylinder before installing. Start at the right rear, then go to the left rear, right front, and end at the left front brake. Bleed each caliber until you see no more air escaping. If you do not know how to bleed your brakes a Google search will give you instructions. If you do it right, assuming the Master Cylinder is good, you will have good brakes. I have seen rebuilt master cylinders that were defective out of the box. If you bought a rebuilt master cylinder, I would recommend you return it and get a new master cylinder. Rebuilt products today are not rebuilt in the U.S. and it is common for them to be defective. Buy new!
How do you bleed a clutch master and slave cylinder on an 1989 Chevy?
It is important to bleed a clutch master and slave cylinder to make sure all of the air is out of the lines. For a 1989 Chevy you would need to know model you had, and then find the repair manual for that specific vehicle.
How do you know when the clutch master cylinder is gone in a 1995 escort?
Whenever you are having a problem with the clutch disengaging the engine from the transmission it is advisable to bleed the clutch slave cylinder. If the clutch can't be operated by bleeding the slave cylinder then the clutch master cylinder is gone and should be replaced.
Replaceing a Master cylinder sending unit 2001 f250?
Trying to bleed my 2001 f250 master hyd. clutch and slave cylinder but there are no bleeder valves on either one, I know it has air in lines but can't seam to get it out.
Master cylinder 1995 buick lesabre brougham?
how do i know the master cylinder is bad ?
How do you know when you need a new master brake cylinder?
A brake master cylinder? If you are losing brakes or brake fluid.
How do you bleed the hydraulic clutch on a 1991 Ford F150?
this is a 2 man job period, top up the master cylinder and pump your petal as you would doing a brake bleed job, there will be a master slave cylinder on the transmission with a nipple on it (I don't know the actual size but I believe its 5/16" or so) it will look and feel like a grease nipple, just crack that open and shut it when the petal hits the floor, repeat as nesscary, don't forget to keep toping the clutch master cylinder The slave clyinder on my 1991 F 150 does not have a bleeder nipple !
Where is the brake fluid located on a 94 Nissan Altima GXE?
It's on the master cylinder on the firewall. If you do not know what a master cylinder is do a google on it and get some pics.
Is it a big job to replace the clutch master cylinder on a '91 Probe if you are not a professional mechanic?
Its not bad, but if you've never done it before, go get a repair manual form an autoparts store. You will need to know what you are doing when you bleed it.
What are the functions of the master cylinder and wheel operating cylinder?
i dont know thats why im asking the internet
How do you bleed the clutch master and slave cylinder on a 1997 Jeep Wrangler TJ?
The answer from Y-THINK-Y is incorrect. The 97 TJ clutch master to slave cylinders are not a conventional brake type hydraulic system. The conventional bleeding process does not work. Does anyone know how the system is purged and bled? Do I need a special pump sysytem of some sort? Basically in the same fashion that you would bleed brakes. Search the FAQ answers for the "how" to bleed brakes. Y-THINK-Y
