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11-14-2012, 11:57 AM
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#1 |
 Drives: '72 GTO, '94 Cadillac, 2012 IOM ZL1 Join Date: Feb 2010
Location: De Pere, WI. 54115
Posts: 144
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Brake Fluid Around Cap on Reservoir
A while back there was a thread here about some ZL1 owners having a problem with finding brake fluid on the reservoir around the cap. I had checked mine, and there WAS some fluid on the reservoir. I wiped it off and forgot about it. Today I thought I'd check it again, and lo and behold, there's brake fluid there again. I called the service manager of the dealership where I bought the car to see if any services bulletins had been issued regarding this. He checked and said he could not find any.
I haven't seen anything on here for a while. So I'm wandering--Has anyone else noticed this lately? And are there any fixes for it? |
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11-14-2012, 11:59 AM
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#2 |
 
Drives: 2013 ZL1 Join Date: Oct 2012
Location: puyallup
Posts: 543
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Mine does that aswell
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11-14-2012, 12:43 PM
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#3 |
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Bear Backer
Drives: 69 Camaro Z/28, 69 Corvette Conv Join Date: Jan 2011
Location: San Jose, CA
Posts: 1,490
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Here's the thread to which I think you are referring --
http://www.camaro5.com/forums/showth...der+cap+recall My ZL1 Convertible has a small amount of brake fluid on the master cylinder also. I think there was a TSB on the master cylinder cap a couple of years ago, but from what I can find I don't think that the issue has been satisfactorily resolved. I think someone posted a DIY "fix" using a cutout from a plastic milk carton to help reinforce the rubber seal of the cap.
__________________
Current Chevrolets: 1969 Camaro Z/28 -- 1969 427/390 Corvette Convertible -- 1970 350/300 Corvette Convertible -- 2013 Camaro ZL1 Convertible -- CRT / Exposed CF Weave Hood Insert / Suede Package / Polished Wheels / MN6
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11-14-2012, 01:14 PM
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#4 |
         
Drives: '15 SS 1LE, '69 Z28 drag car Join Date: Dec 2009
Location: Mich
Posts: 4,482
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Have they tried replacing the cap?
There is a bulletin for '10 and '11s to replace the cap. Maybe they just didn't add the newer years yet to the bulletin. 09-05-22-005B |
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11-14-2012, 01:17 PM
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#5 |
 Drives: 2011 Synergy Green 2ss/rs Join Date: Sep 2012
Location: Evansville Indiana
Posts: 2
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i had the same issue with my SS. The dealer replaced the cap and no issues since
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11-14-2012, 02:27 PM
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#6 |
Drives: 2021 1LE Join Date: Jul 2011
Location: N'Awlinz
Posts: 6,315
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My cap was replaced on my LS3... made no difference, still leaks.
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11-15-2012, 08:11 AM
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#7 | |
 
Drives: GM Vehicles Join Date: Jun 2010
Location: Michigan
Posts: 9,328
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Quote:
I apologize for the inconvenience you may be experiencing. I can set up a case with GM customer service if you would like. I just need your first and last name, address, phone number, VIN, mileage, and involved dealership name. I look forward to your correspondence via PM. Brandon Chevrolet Customer Service
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For information on the GM Privacy Statement, please visit http://www.gm.com/privacy-statement.html
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11-15-2012, 08:29 AM
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#8 | |
Drives: 1970 chevelle Join Date: Aug 2011
Location: Central NH
Posts: 1,427
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Leaking master cylinder cap
Quote:
__________________
On Order 2018 ZL1 1LE Garnet Red Tint Coat Metallic
MY Car 2015 Z06 Z07 Daytona Sunrise Orange Metallic Dads Car 2013 ZL1 vin 963 Crystal Red Tint Coat/Black Wheels Exposed Carbon Fiber Insert 6 Spd Manual |
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11-15-2012, 08:31 AM
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#9 |
Drives: 2012 Blk ZL1 Join Date: Dec 2011
Location: Baton Rouge, LA
Posts: 938
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I noticed fluid on mine as well. I just haven't gotten around to taking it to the dealership.
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11-15-2012, 08:34 AM
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#10 |
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Drives: 13 ZL1 1091, 04 Ram 2500, 12 CX9 Join Date: Jul 2012
Location: Lancaster, PA
Posts: 559
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Checked mine this morning and is bone dry. I have only had it for 2 1/2 months though. It's just about time to put her to bed for the winter.
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11-15-2012, 10:53 AM
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#11 |
Drives: 2017 Corvette Grand Sport 3LT Join Date: Oct 2010
Location: Center of the known Universe
Posts: 863
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Aside from replacing the cap, can the problem be further mitigated by doing the
Clutch Fluid Reservoir mod? http://www.camaro5.com/forums/showthread.php?t=34085 |
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11-15-2012, 11:16 AM
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#12 |
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Its common (since 2010 models). I had the same problem and went thru two new caps that supposedly fixed the problem but the seeping always returned. There seem to be two solutions:
1) Only fill fluid to the min line in the reservoir. I did this for a while and it worked for me (but you need to keep an eye on the level). 2) Another C5 member came up with the milk carton fix. I did this and no leaks for over a year will the reservoir filled to the max line. See post #15: http://www.camaro5.com/forums/showthread.php?t=175467
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Black 2SS ordered 1/4/2010, received 2/19/2010
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11-15-2012, 07:32 PM
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#13 |
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Drives: '72 GTO, '94 Cadillac, 2012 IOM ZL1 Join Date: Feb 2010
Location: De Pere, WI. 54115
Posts: 144
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I went to the dealer today, and they gave me a new cap to try that they had ordered for me. It looks the exact same as the original (Made in Korea!). I know some posts say it didn't work for them, and others said it did. But no harm in trying it. If it doesn't seem to help, I'll do the 'milk carton gasket' upgrade. Thing is, I'm in Wisconsin, and don't foresee too many more days of driving before my car goes into hibernation. So it will probably be next year before I get a good assessment of whether the problem is fixed.
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11-15-2012, 09:02 PM
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#14 | |
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Drives: 2021 1LE Join Date: Jul 2011
Location: N'Awlinz
Posts: 6,315
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Quote:
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