Three bad master cylinders - The 1947 - Present Chevrolet & GMC Truck Message Board Network

grs · 02-04-2013, 11:25 PM

I bought a new Cardon master cylinder. The reservoir leaked. I then exchanged it for another one. It lasted about 1,400 miles then it had an internal bypass leak. The pedal went to the floor. I just put another one on it, and it has a reservoir leak. I will replace it. They are all Cardon with a life time warranty. I have an 87. Anyone else had this problem with Cardon? It has a plastic reservoir on it. Does anyone make one that is all metal? Or who makes one that will last for years, and years the way they should?

GM-power · 02-04-2013, 11:41 PM

I can't remember when they went to plastic but I know 73-80 had all metal ones. I put a brand new Napa one on my truck 750 or so miles ago, no leaks no problems.
Posted via Mobile Device

grs · 02-05-2013, 12:06 AM

Quote:

Originally Posted by GM-power

I can't remember when they went to plastic but I know 73-80 had all metal ones. I put a brand new Napa one on my truck 750 or so miles ago, no leaks no problems.
Posted via Mobile Device

The three bad ones I put on my 87 where from Napa. What co. made yours. What year is your truck. Would a 73 to 80 work on my truck?

GM-power · 02-05-2013, 12:11 AM

It is a Napa house brand so im not sire who it's made by. It went on my 79; im not 100% sure it will bolts up to the booster but I think it would.
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**LEEVON** · 02-05-2013, 12:19 PM

Go with the AC Delco unit.

grs · 02-05-2013, 02:43 PM

Quote:

Originally Posted by LEEVON

Go with the AC Delco unit.

Where do I buy am AC Delco. And do you have a part number?

**LEEVON** · 02-05-2013, 03:03 PM

If I'm not in a hurry, parts come from Rock Auto. I know they have the AC Delco units because I replaced mine recently. Not sure about the p/n, our trucks could be different.

http://www.rockauto.com/

83GMCK2500 · 02-05-2013, 03:07 PM

Quote:

Originally Posted by grs

Where do I buy am AC Delco. And do you have a part number?

I generally look it up on RockAuto.com, sift through the results and find the one that matches my truck, use the part number listed there to (maybe) find a better price.

02-04-2013, 11:25 PM	#1
grs Registered User Join Date: Jan 2010 Location: Roanoke, Tx. Posts: 1,561	Three bad master cylinders I bought a new Cardon master cylinder. The reservoir leaked. I then exchanged it for another one. It lasted about 1,400 miles then it had an internal bypass leak. The pedal went to the floor. I just put another one on it, and it has a reservoir leak. I will replace it. They are all Cardon with a life time warranty. I have an 87. Anyone else had this problem with Cardon? It has a plastic reservoir on it. Does anyone make one that is all metal? Or who makes one that will last for years, and years the way they should?

02-04-2013, 11:41 PM	#2
GM-power Registered User Join Date: Mar 2012 Location: Little Rock, Arkansas Posts: 770	Re: Three bad master cylinders I can't remember when they went to plastic but I know 73-80 had all metal ones. I put a brand new Napa one on my truck 750 or so miles ago, no leaks no problems. Posted via Mobile Device __________________ 1979 Sierra Classic Heavy-half 1996 Silverado x-cab "the daily"

02-05-2013, 12:11 AM	#4
GM-power Registered User Join Date: Mar 2012 Location: Little Rock, Arkansas Posts: 770	Re: Three bad master cylinders It is a Napa house brand so im not sire who it's made by. It went on my 79; im not 100% sure it will bolts up to the booster but I think it would. Posted via Mobile Device __________________ 1979 Sierra Classic Heavy-half 1996 Silverado x-cab "the daily"

02-05-2013, 12:19 PM	#5
LEEVON Moderator Join Date: Jul 2006 Location: Ozark, MO Posts: 4,893	Re: Three bad master cylinders Go with the AC Delco unit. __________________ '86 GMC C30 Crew ~ '86 C20 Crew ~ '79 K15 Sierra Grande ~ '76 Blazer 2wd ~ '74K10 ~ '71 Cheyenne swb ~'50 3100 bagged ~ '80 Wife ~ Late model kids

02-05-2013, 03:03 PM	#7
LEEVON Moderator Join Date: Jul 2006 Location: Ozark, MO Posts: 4,893	Re: Three bad master cylinders If I'm not in a hurry, parts come from Rock Auto. I know they have the AC Delco units because I replaced mine recently. Not sure about the p/n, our trucks could be different. http://www.rockauto.com/ __________________ '86 GMC C30 Crew ~ '86 C20 Crew ~ '79 K15 Sierra Grande ~ '76 Blazer 2wd ~ '74K10 ~ '71 Cheyenne swb ~'50 3100 bagged ~ '80 Wife ~ Late model kids



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