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Old 06-01-2013, 09:29 AM   #1
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Rear drum brake leaking ?

I have a leak on the inside of the drum of my 2002 sport. Going to assume it's the cylinder. Going to go run and grab a replacement. Since this just started leaking, after I replace, will I need to bleed the line? Will I need to add fluid, and what are the specs of wranglers, DOT 3?

I never used to work on cars before, always would drop them off and let mechanic deal with it. But I can't justify getting charged for labor for a $10 part and want to tackle this one myself...

Thanks.

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Old 06-01-2013, 09:34 AM   #2
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Quote:
Originally Posted by KevinNJ View Post
I have a leak on the inside of the drum of my 2002 sport. Going to assume it's the cylinder. Going to go run and grab a replacement. Since this just started leaking, after I replace, will I need to bleed the line? Will I need to add fluid, and what are the specs of wranglers, DOT 3?

I never used to work on cars before, always would drop them off and let mechanic deal with it. But I can't justify getting charged for labor for a $10 part and want to tackle this one myself...

Thanks.
Yes, I'd say since you have to remove the line from the back thus allowing air in you should bleed the line. Do all of them while you are at it. Just regular brake fluid is fine.

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Old 06-01-2013, 09:48 AM   #3
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You'll need to bleed it. DOT 3,4 is it.
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Old 06-01-2013, 09:54 AM   #4
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Also, you could flush out all the old fluid while you're there. I ran a pint or so through each wheel bleeder to be sure. My old fluid was terrible and I ended up replacing both rear cylinders because of their condition. Anyhow, good luck.
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Old 06-01-2013, 11:14 AM   #5
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Before attempting to loosen the brake line spray the fitting with a good penetrating oil use a line wench/flange nut wrench (heard the called both) and hold the brakeline to keep it from twisting as you loosen the nut. They recommend doing both sides (drivers and passengers) at same time but I didn't couple months ago just did leaking one.
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Old 06-01-2013, 12:16 PM   #6
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Thanks - doesn't seem too hard of a job. Any idea what size line wrench I need to go buy for this one? metric or sae?
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Old 06-01-2013, 12:20 PM   #7
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It should be a 3/8 line wrench or a 10mm both are nearly the same size

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