How to replace the clutch Master cylinder?

Tiny
NEIL2002CIVIC
  • MEMBER
  • 2014 VOLKSWAGEN JETTA
  • 2.0L
  • 4 CYL
  • 2WD
  • MANUAL
  • 70,000 MILES
Hi, can you please tell me the procedure to remove the clutch master cylinder? Looks harder than I thought. I have done on other cars before. Some guidance is needed here.
Sunday, June 20th, 2021 AT 4:42 PM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

The hardest part of this job is to release the rod from the clutch pedal. Once that is done, you need to use a spacer to keep the pedal from reconnecting with the rod during the removal.

I attached the procedure for you to view.

Roy
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Monday, June 21st, 2021 AT 3:36 AM
Tiny
NEIL2002CIVIC
  • MEMBER
  • 111 POSTS
Thanks Roy,

Now I wish it was just the clutch master. My friend whose car it is just sent me a picture of power steering/hydraulic fluid. Needless to say it takes Dot 4 the clutch master is fed via the brake master reservoir. No one has pump the pedal yet. Crossing my fingers on separating the reservoir and master. Draining it bleeding it and hoping for the best. Have a great day! Thanks for the help.
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Monday, June 21st, 2021 AT 9:24 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
Hi,

We haven't heard from you for a few days. Have you made any progress?

As far as the brake fluid, you should be fine. The difference is the DOT 4 has a higher boiling point. Thus, it is safer for higher temps.

Let us know how things are going or if you have other questions.

Take care,

Joe
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Wednesday, June 23rd, 2021 AT 10:03 PM
Tiny
NEIL2002CIVIC
  • MEMBER
  • 111 POSTS
Hi. Yes, I was able to take the brake reservoir off and drain it filled it with the Dot 4 fluid and bleed the clutch. Very poor set up the fill for the clutch master is on the very top of the reservoir if fluid is allowed to drop to low you get air. So keep it full while bleeding it. For anyone reading this. Nothing replaces brake fluid nor can it be mixed with other types of fluids; power steering, transmission etc. Rubber seals will swell and distort if mixed.
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Thursday, June 24th, 2021 AT 5:48 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
That is correct. That is a common mistake and that requires replacing both the slave and the master cylinder.

Roy
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Thursday, June 24th, 2021 AT 9:37 AM

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