You need to replace the master cylinder. Clean up the booster the best you can.

Answered by Jacobandnickolas (expert)
57,318 answers provided

Thank you. what do you mean by clean up the booster?

Response from steelbombers1
2 questions asked

I'm looking for a master cylinder online. But I don't know what part I need. On on my car master cylinder it also has a big black box. would I just need to buy the part where the brake reservoir bolts up to?

Response from steelbombers1
2 questions asked

You only need a master cylinder, but if you can upload a picture for me to see, I can tell you what the "black box" is.

Answered by Jacobandnickolas (expert)
57,318 answers provided

i took it off today.

Response from steelbombers1
2 questions asked

That part deals with the ABS. You should be able to remove it and reuse it.

Answered by Jacobandnickolas (expert)
57,318 answers provided

thank you so much. I hope thats what wrong with it. I thought I had to replace the booster because the seal on the push rod. I didn't know the push rod was for the master cylinder. thank you

Response from steelbombers1
2 questions asked

Not a problem. Let me know how it goes for you.

Answered by Jacobandnickolas (expert)
57,318 answers provided