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Old 02-16-2014, 04:40 PM   #1
Bigru
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Brake fluid LEAK!!

I bought a CPP brake booster master cylinder kit to go with their disk brake kit. Can someone tell me what would cause it to LEAK between the MC and Booster? I can't stand leaks and of course the fluid ate up my Por-15 on the frame. Please help.

Thanks
Rudy
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Old 02-16-2014, 04:41 PM   #2
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Re: Brake fluid LEAK!!

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Old 02-16-2014, 04:57 PM   #3
tincan1966
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Re: Brake fluid LEAK!!

The master cylinder is defective- the rear seal is bad.
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Old 02-16-2014, 05:19 PM   #4
Bigru
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Re: Brake fluid LEAK!!

What the hell, it's brand new!!
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Old 02-16-2014, 05:26 PM   #5
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Re: Brake fluid LEAK!!

X2 what tincan said and you shouldn't be driving it that way....
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Old 02-16-2014, 05:29 PM   #6
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Re: Brake fluid LEAK!!

I didn't think anything but a hammer would damage POR15!
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Old 02-16-2014, 05:31 PM   #7
tincan1966
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Re: Brake fluid LEAK!!

Quote:
Originally Posted by Bigru View Post
What the hell, it's brand new!!
New means new, New does not mean GOOD, Sorry but that's how it is.
I'd be on the phone pronto with them if you recently purchased it.
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Old 02-16-2014, 05:37 PM   #8
Bigru
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Re: Brake fluid LEAK!!

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Originally Posted by Sharps40 View Post
I didn't think anything but a hammer would damage POR15!
Me too
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Old 02-16-2014, 05:39 PM   #9
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Re: Brake fluid LEAK!!

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Originally Posted by tincan1966 View Post
New means new, New does not mean GOOD, Sorry but that's how it is.
I'd be on the phone pronto with them if you recently purchased it.
I'll be on the phone first thing in the morning, thanks. At first I was think the brake rod might be too long.
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Old 02-16-2014, 09:48 PM   #10
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Re: Brake fluid LEAK!!

i was told by a senior forum member that DOT 5 brake fluid wont eat the paint, but you have to only run that kind once you switch as its not compatible.
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Old 02-16-2014, 10:08 PM   #11
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Re: Brake fluid LEAK!!

CPP sucks. By and large.
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Old 02-16-2014, 11:26 PM   #12
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Re: Brake fluid LEAK!!

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CPP sucks. By and large.
Sorry, but I don't agree. I've had very good luck with them.
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Old 02-16-2014, 11:43 PM   #13
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Re: Brake fluid LEAK!!

I just sent an email to Mario @ CPP, explaining the issue with pics. Lets see how they handle it.
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1983 Short Fleet (Under construction for my 13 year old son)
2008 GMC Denali
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Old 02-17-2014, 08:11 AM   #14
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Re: Brake fluid LEAK!!

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Sorry, but I don't agree. I've had very good luck with them.
Same here, only had a couple experiences with them and they were all good.

My only complaint was lack of ANY instructions with a disc brake conversion kit we bought once - just a box of parts and a bag of bolts! LOL! I wasn't impossible, but with a straight axle kit, there's a combination of spacers to figure out.....
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Old 02-17-2014, 10:35 PM   #15
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Re: Brake fluid LEAK!!

I bought a disc brake kit for my Camaro, and had the exact same issue. Can't remember who made it or where I bought it. When I called, they said, "the vendor who rebuilds those for us has had some quality issues lately." Wow, thanks. I didn't have patience for the send it back then send me another (that also might leak). So I bought a seal kit at the local parts store, a hone, and rebuilt it myself. At least then I knew it was right.
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Old 02-17-2014, 10:44 PM   #16
Bigru
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Re: Brake fluid LEAK!!

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Originally Posted by R_W View Post
I bought a disc brake kit for my Camaro, and had the exact same issue. Can't remember who made it or where I bought it. When I called, they said, "the vendor who rebuilds those for us has had some quality issues lately." Wow, thanks. I didn't have patience for the send it back then send me another (that also might leak). So I bought a seal kit at the local parts store, a hone, and rebuilt it myself. At least then I knew it was right.
I might have to do the same thing, sent an email yesterday and still no response.
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1983 Short Fleet (Under construction for my 13 year old son)
2008 GMC Denali
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Old 02-18-2014, 01:27 AM   #17
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Re: Brake fluid LEAK!!

That's why I prefer to buy as many of my parts as possible local. I don't have to ship back and forth for warranty issues.
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