Home » Public Forums » GMCnet » [GMCnet] OEM Master Cylinder
| [GMCnet] OEM Master Cylinder [message #189949] |
Mon, 12 November 2012 08:32  |
Gary Berry
Messages: 1002
Registered: May 2005
Karma: -1
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Senior Member |
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Hey All;
I've been looking all over and have been unable to find a part
number for the OEM master cylinder. Can anyone point me to the right
number?. I'm at the Weed, CA Rest Area for the night, but I would like
to see if I can replace the MC in Yreka. Thanks.
--
Gary and Diana Berry
73 CL Stretch in Ca.
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| Re: [GMCnet] OEM Master Cylinder [message #189953 is a reply to message #189949] |
Mon, 12 November 2012 08:57  |
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mike miller
Messages: 3576
Registered: February 2004
Location: Hillsboro, Oregon
Karma: 0
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Senior Member |
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| Gary Berry wrote on Mon, 12 November 2012 06:32 |
Hey All;
I've been looking all over and have been unable to find a part
number for the OEM master cylinder. Can anyone point me to the right
number?. I'm at the Weed, CA Rest Area for the night, but I would like
to see if I can replace the MC in Yreka. Thanks.
|
Gary,
If you need a hand in that area, there is a mobile mechanic that works that area. He drives a early 50's Dodge PU with a flatbed. He has a vise and an air compressor (for his air tools) bolted to the back. I need to find his card to get him added to the "good service" list, but the NAPA stores in the area have his number.
-- just in case . --
Mike Miller -- Hillsboro, OR -- on the Black list
(#2)`78 23' Birchaven Rear Bath -- (#3)`77 23' Birchaven Side Bath
More Sidekicks than GMC's and a late model Malibu called 'Boo'
http://m000035.blogspot.com
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| Re: [GMCnet] OEM Master Cylinder [message #189956 is a reply to message #189953] |
Mon, 12 November 2012 09:32 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Gary, there is a Baxter auto parts store in yreka. They open at 8:00 am
Their phone number is 530 842 2731. They should be able to get you one. The
Raybestos part number is mc39075. They should be able to cross that number
to any other brand. Let me know if that won't work. I have one in the shop.
I can get it to you somehow.
Jim Hupy
Salem, 0r
On Nov 12, 2012 6:57 AM, "Mike Miller" <m000035@gmail.com> wrote:
>
>
> Gary Berry wrote on Mon, 12 November 2012 06:32
> > Hey All;
> >
> > I've been looking all over and have been unable to find a part
> > number for the OEM master cylinder. Can anyone point me to the right
> > number?. I'm at the Weed, CA Rest Area for the night, but I would like
> > to see if I can replace the MC in Yreka. Thanks.
>
>
> Gary,
>
> If you need a hand in that area, there is a mobile mechanic that works
> that area. He drives a early 50's Dodge PU with a flatbed. He has a vise
> and an air compressor (for his air tools) bolted to the back. I need to
> find his card to get him added to the "good service" list, but the NAPA
> stores in the area have his number.
>
> -- just in case . --
> --
> Mike Miller -- Hillsboro, OR -- on the Black list
> (#1)'73 26' exPainted D. -- (#2)`78 23' Birchaven Rear Bath -- (#3)`77 23'
> Birchaven Side Bath
> http://m000035.blogspot.com
> _______________________________________________
> GMCnet mailing list
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| Re: [GMCnet] OEM Master Cylinder [message #189959 is a reply to message #189949] |
Mon, 12 November 2012 09:35 |
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Gary, are you still having issues even after getting the
brakes pressure bled?
On 11/12/2012 6:32 AM, Gary Berry wrote:
> Hey All;
>
> I've been looking all over and have been unable to find a part
> number for the OEM master cylinder. Can anyone point me to the right
> number?. I'm at the Weed, CA Rest Area for the night, but I would like
> to see if I can replace the MC in Yreka. Thanks.
>
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Terry Taylor
'74 ex-Eleganza SE
San Lorenzo, CA
http://www.n6mon.org
http://dldesignstore.com
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| Re: [GMCnet] OEM Master Cylinder [message #189963 is a reply to message #189961] |
Mon, 12 November 2012 10:04 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Gary, what you just described is classic mc failure. When you jump on the
pedal, the cups rapidly expand against the cylinder walls. When you push
slowly they slide by and leak internally. I knew i should have checked the
dam thing at red bluff. It would have been a simple thing to fix it there.
You and Mr. T probably caused the failure by overstroking the operating
rod. Keep me posted.
Jim Hupy
On Nov 12, 2012 7:55 AM, "Gary Berry" <duallycc@gmail.com> wrote:
> Hey Terry;
>
> Yep, still having problems with the pedal going to the floor once
> in awhile (98% of the time). If I hit the brake pedal fast, I have
> great brakes and all is right with the world. If I slowly hit the
> brakes, the pedal goes to the floor. So I think there are 2 things
> that might be going on here. The first is that while manually bleeding
> the brakes (not gravity bleeding) we didn't limit the travel of the
> internals of the MC by putting a piece of wood under the brake pedal.
> This means that we went past the worn spot of the MC bore and possibly
> damaged the cups on the inside (this is what JimH thinks and I tend to
> agree). The second is that now the whole system is using more fluid
> and the internals are moving further into the bore than before, so the
> cups on the inside might be going over some rust holes in the bottom
> of the bore and allowing the fluid to leak past the cups. Either way
> requires a new MC. Now I just need to find one.
>
> --
> Gary and Diana Berry
> 73 CL Stretch in Wa.
>
> On Mon, Nov 12, 2012 at 7:35 AM, Terry Taylor <n6mon@pacbell.net> wrote:
> > Gary, are you still having issues even after getting the
> > brakes pressure bled?
> _______________________________________________
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| Re: [GMCnet] OEM Master Cylinder [message #189967 is a reply to message #189966] |
Mon, 12 November 2012 10:17 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Emery, Gary is presently in a rest stop in weed California which, if it
isn't the hubs of hell, you can certainly see them from there. I am pretty
sure he does not have his Gmc international parts list with him.
Jim Hupy
Salem, Or
78 Gmc Royale 403
On Nov 12, 2012 8:10 AM, "Emery Stora" <emerystora@mac.com> wrote:
> Gary
>
> Look in your GMCMI Parts Interchange booklet.
> It lists many of the: Wagner, NAPA, EIS, etc.
>
> Emery Stora
>
> On Nov 12, 2012, at 7:32 AM, Gary Berry wrote:
>
> > Hey All;
> >
> > I've been looking all over and have been unable to find a part
> > number for the OEM master cylinder. Can anyone point me to the right
> > number?. I'm at the Weed, CA Rest Area for the night, but I would like
> > to see if I can replace the MC in Yreka. Thanks.
> >
> > --
> > Gary and Diana Berry
> > 73 CL Stretch in Ca.
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
> _______________________________________________
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> Unsubscribe or Change List Options:
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>
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| Re: [GMCnet] OEM Master Cylinder [message #189968 is a reply to message #189967] |
Mon, 12 November 2012 10:19 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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Senior Member |
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I would think that everyone would want to carry that in their GMC when traveling!
Don't you?
Emery Stora
On Nov 12, 2012, at 9:17 AM, James Hupy wrote:
> Emery, Gary is presently in a rest stop in weed California which, if it
> isn't the hubs of hell, you can certainly see them from there. I am pretty
> sure he does not have his Gmc international parts list with him.
> Jim Hupy
> Salem, Or
> 78 Gmc Royale 403
> On Nov 12, 2012 8:10 AM, "Emery Stora" <emerystora@mac.com> wrote:
>
>> Gary
>>
>> Look in your GMCMI Parts Interchange booklet.
>> It lists many of the: Wagner, NAPA, EIS, etc.
>>
>> Emery Stora
>>
>> On Nov 12, 2012, at 7:32 AM, Gary Berry wrote:
>>
>>> Hey All;
>>>
>>> I've been looking all over and have been unable to find a part
>>> number for the OEM master cylinder. Can anyone point me to the right
>>> number?. I'm at the Weed, CA Rest Area for the night, but I would like
>>> to see if I can replace the MC in Yreka. Thanks.
>>>
>>> --
>>> Gary and Diana Berry
>>> 73 CL Stretch in Ca.
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
> _______________________________________________
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| Re: [GMCnet] OEM Master Cylinder [message #189969 is a reply to message #189967] |
Mon, 12 November 2012 10:20 |
Mr ERFisher
Messages: 7117
Registered: August 2005
Karma: 2
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Senior Member |
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Oh yah
He has my lists
And
The other list
FREE WIFI @ Mickey D
On Nov 12, 2012, at 8:17 AM, James Hupy <jamesh1296@gmail.com> wrote:
> Emery, Gary is presently in a rest stop in weed California which, if it
> isn't the hubs of hell, you can certainly see them from there. I am pretty
> sure he does not have his Gmc international parts list with him.
> Jim Hupy
> Salem, Or
> 78 Gmc Royale 403
> On Nov 12, 2012 8:10 AM, "Emery Stora" <emerystora@mac.com> wrote:
>
>> Gary
>>
>> Look in your GMCMI Parts Interchange booklet.
>> It lists many of the: Wagner, NAPA, EIS, etc.
>>
>> Emery Stora
>>
>> On Nov 12, 2012, at 7:32 AM, Gary Berry wrote:
>>
>>> Hey All;
>>>
>>> I've been looking all over and have been unable to find a part
>>> number for the OEM master cylinder. Can anyone point me to the right
>>> number?. I'm at the Weed, CA Rest Area for the night, but I would like
>>> to see if I can replace the MC in Yreka. Thanks.
>>>
>>> --
>>> Gary and Diana Berry
>>> 73 CL Stretch in Ca.
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
> _______________________________________________
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| Re: [GMCnet] OEM Master Cylinder [message #189970 is a reply to message #189968] |
Mon, 12 November 2012 10:21 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Yes, that is one of the things along with the Black List. But you know
Murphy, don't you.
Jim Hupy
Salem, OR
78 GMC Royale 403
On Mon, Nov 12, 2012 at 8:19 AM, Emery Stora <emerystora@mac.com> wrote:
> I would think that everyone would want to carry that in their GMC when
> traveling!
> Don't you?
>
> Emery Stora
>
> On Nov 12, 2012, at 9:17 AM, James Hupy wrote:
>
> > Emery, Gary is presently in a rest stop in weed California which, if it
> > isn't the hubs of hell, you can certainly see them from there. I am
> pretty
> > sure he does not have his Gmc international parts list with him.
> > Jim Hupy
> > Salem, Or
> > 78 Gmc Royale 403
> > On Nov 12, 2012 8:10 AM, "Emery Stora" <emerystora@mac.com> wrote:
> >
> >> Gary
> >>
> >> Look in your GMCMI Parts Interchange booklet.
> >> It lists many of the: Wagner, NAPA, EIS, etc.
> >>
> >> Emery Stora
> >>
> >> On Nov 12, 2012, at 7:32 AM, Gary Berry wrote:
> >>
> >>> Hey All;
> >>>
> >>> I've been looking all over and have been unable to find a part
> >>> number for the OEM master cylinder. Can anyone point me to the right
> >>> number?. I'm at the Weed, CA Rest Area for the night, but I would like
> >>> to see if I can replace the MC in Yreka. Thanks.
> >>>
> >>> --
> >>> Gary and Diana Berry
> >>> 73 CL Stretch in Ca.
> >>> _______________________________________________
> >>> GMCnet mailing list
> >>> Unsubscribe or Change List Options:
> >>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >>
> >> _______________________________________________
> >> GMCnet mailing list
> >> Unsubscribe or Change List Options:
> >> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >>
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
> _______________________________________________
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| Re: [GMCnet] OEM Master Cylinder [message #189976 is a reply to message #189961] |
Mon, 12 November 2012 11:12 |
|
|
Yeah, that sounds about right, I did something similar. Good
luck!
On 11/12/2012 7:55 AM, Gary Berry wrote:
> Hey Terry;
>
> Yep, still having problems with the pedal going to the floor once
> in awhile (98% of the time). If I hit the brake pedal fast, I have
> great brakes and all is right with the world. If I slowly hit the
> brakes, the pedal goes to the floor. So I think there are 2 things
> that might be going on here. The first is that while manually bleeding
> the brakes (not gravity bleeding) we didn't limit the travel of the
> internals of the MC by putting a piece of wood under the brake pedal.
> This means that we went past the worn spot of the MC bore and possibly
> damaged the cups on the inside (this is what JimH thinks and I tend to
> agree). The second is that now the whole system is using more fluid
> and the internals are moving further into the bore than before, so the
> cups on the inside might be going over some rust holes in the bottom
> of the bore and allowing the fluid to leak past the cups. Either way
> requires a new MC. Now I just need to find one.
>
_______________________________________________
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Terry Taylor
'74 ex-Eleganza SE
San Lorenzo, CA
http://www.n6mon.org
http://dldesignstore.com
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| Re: [GMCnet] OEM Master Cylinder [message #190156 is a reply to message #189992] |
Tue, 13 November 2012 12:23 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
|
Senior Member |
|
|
Gary, I didn't hear if you successfully navigated the downhill into
Ashland and If all is well with your brakes. Are you Ok?
Jim Hupy
Salem, Or
78 Gmc Royale 403
On Nov 12, 2012 10:52 AM, "gene Fisher" <mr.erfisher@gmail.com> wrote:
> leet poo bear walk
>
> we would not want him hurt :>)
>
> what was the Relly;s number ?
>
> good luck
> gene
>
> On Mon, Nov 12, 2012 at 10:20 AM, Gary Berry <duallycc@gmail.com> wrote:
>
> > Hey All;
> >
> > Made it ti Yreka, CA. Found an O'Rellys open and picked up a MC.
> > Did the bench bleed, and installed it. Just tested the brakes by
> > backing up and moving forward in the parking lot. The brakes are
> > higher and they aren't leaking down as before, and they stopped the
> > coach in both directions. I would like to once again thank Jim Hupy
> > for his invaluable help and to Gene Fisher for all of the great
> > information on his site (plus he is just a real nice guy). I'm off to
> > see if I can make it down the Ashland grade in a controlled manner
> > (cause I know I can make it down no matter what).
> > --
> > Gary and Diana Berry
> > 73 CL Stretch in Ca.
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >
>
>
>
> --
> Gene Fisher -- 74-23,77PB/ore/ca
> “Give a man a fish; you have fed him for today --- give him a URL and
> -------
> http://gmcmotorhome.info/
> Alternator Protection Cable
> http://gmcmotorhome.info/APC.html
> _______________________________________________
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| Re: [GMCnet] OEM Master Cylinder [message #190243 is a reply to message #190156] |
Wed, 14 November 2012 00:36 |
Gary Berry
Messages: 1002
Registered: May 2005
Karma: -1
|
Senior Member |
|
|
Hey All;
Sorry for the delay. Was having too good of a time with my cousin
in Springfield, OR. Yep, the Ashland was a cinch. I came down it
keeping my speed at 45mph with judicious use of the new brakes, and
then made it through all of the mountain peaks and 6% grades between
Medford and Springfield with GREAT brakes. I think they are getting
better and better. I did have to make a very rapid stop after filling
up at Costco and then heading back to the freeway in Medford. I was
moving along at a pretty good clip on a parkway and I came upon a
light that changed from green to yellow. Wasn't going to make it
through the signal before it turned red so I hit the brakes hard. The
Stretch just hunkered down and came to a rather quick stop. It was
fantastic.Everyone said that I would be amazed with the disk brake
setup (this is Manny's new setup) and they were right. For me this is
an elegant upgrade. And the new parking brake calipers are working
great. I just have to keep remembering to set them to off before I
take off cause I'm not use to having them. Again, I would like to
thank everyone for their help. PoohBear and I are in Salem, OR with
old friends (Gene, Roger and Susanne said to say HI) and are having a
blast talking about old times when we all worked for mr.erf.
--
Gary and Diana Berry
73 CL Stretch in Or.
On Tue, Nov 13, 2012 at 10:23 AM, James Hupy <jamesh1296@gmail.com> wrote:
> Gary, I didn't hear if you successfully navigated the downhill into
> Ashland and If all is well with your brakes. Are you Ok?
> Jim Hupy
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| Re: [GMCnet] OEM Master Cylinder [message #190255 is a reply to message #190243] |
Wed, 14 November 2012 06:33 |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
|
Senior Member |
|
|
Gary,
"Manny's new setup" - ?????
Regards,
Rob M.
USAussie - Downunder
-----Original Message-----
From: Gary Berry
Hey All;
Sorry for the delay. Was having too good of a time with my cousin
in Springfield, OR. Yep, the Ashland was a cinch. I came down it
keeping my speed at 45mph with judicious use of the new brakes, and
then made it through all of the mountain peaks and 6% grades between
Medford and Springfield with GREAT brakes. I think they are getting
better and better. I did have to make a very rapid stop after filling
up at Costco and then heading back to the freeway in Medford. I was
moving along at a pretty good clip on a parkway and I came upon a
light that changed from green to yellow. Wasn't going to make it
through the signal before it turned red so I hit the brakes hard. The
Stretch just hunkered down and came to a rather quick stop. It was
fantastic.Everyone said that I would be amazed with the disk brake
setup (this is Manny's new setup) and they were right. For me this is
an elegant upgrade. And the new parking brake calipers are working
great. I just have to keep remembering to set them to off before I
take off cause I'm not use to having them. Again, I would like to
thank everyone for their help. PoohBear and I are in Salem, OR with
old friends (Gene, Roger and Susanne said to say HI) and are having a
blast talking about old times when we all worked for mr.erf.
--
Gary
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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