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Adriel Rowley Samba Member
Joined: October 12, 2006 Posts: 4748 Location: Mesa, Arizona
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Posted: Mon Feb 03, 2020 7:57 pm Post subject: Uneven wear on rear drum. |
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Pulled the right rear drum to find a lip of about a millimeter and a half on one side tapering to no lip on the opposite side (other side different brand drum and has no lip all the way around). What would cause this uneven wear?
The drum is stamped made in Japan and has no oil passage. Should the drum be replaced?
Thank y'all in advance! _________________ Please consider I am Autistic, so I process information differently and still working on social skills. Thanks.
Dad's 1964 Beetle purchased September 1968.
https://www.thesamba.com/vw/forum/viewtopic.php?p=9252810#9252810
1971 Sunroof Squareback with Fuel Injection
http://www.thesamba.com/vw/forum/viewtopic.php?t=219811&highlight=squareback+rejuvenation |
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vwoldbug Samba Member
Joined: January 28, 2009 Posts: 1214 Location: Ohio
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Posted: Mon Feb 03, 2020 9:29 pm Post subject: Re: Uneven wear on rear drum. |
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Can you get a picture, do the brakes pulsate . The drum may be savable, it's tough to find good new brake drums. |
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Adriel Rowley Samba Member
Joined: October 12, 2006 Posts: 4748 Location: Mesa, Arizona
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Posted: Mon Feb 03, 2020 9:37 pm Post subject: Re: Uneven wear on rear drum. |
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vwoldbug wrote: |
Can you get a picture, do the brakes pulsate . The drum may be savable, it's tough to find good new brake drums. |
Tried to get a picture unsuccessfully, any tips?
Not sure if pulses, hasn't been on the road since 2002 or 2003. Drums are available new. Consider rather be safe then risk, why replaced all the hard lines as were rusty and didn't want to risk a leak on a single circuit system (have lost the rear going down a grade and wasn't fun). Now that think about it, wonder if could mount it on the axle and check the exterior and interior runout? Been meaning to invest in a guage as need for setting front bearings on another vehical. Just a thought... _________________ Please consider I am Autistic, so I process information differently and still working on social skills. Thanks.
Dad's 1964 Beetle purchased September 1968.
https://www.thesamba.com/vw/forum/viewtopic.php?p=9252810#9252810
1971 Sunroof Squareback with Fuel Injection
http://www.thesamba.com/vw/forum/viewtopic.php?t=219811&highlight=squareback+rejuvenation |
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RWK Samba Member
Joined: June 24, 2009 Posts: 1337 Location: S.W. MI
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Posted: Tue Feb 04, 2020 4:30 am Post subject: Re: Uneven wear on rear drum. |
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are the rubber lines new? old lines will cause shoe dragging, insides degrade and act as a check valve, after replacing several sets of shoes, while bleeding the brakes again i noticed the line bulging while assistant was pumping the pedal. _________________ 73 Type 181
63 Type 113
63 Type 261- 428 071
62 Type 241-378 025 178 530 |
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Eric&Barb Samba Member
Joined: September 19, 2004 Posts: 24671 Location: Olympia Wash Rinse & Repeat
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Posted: Tue Feb 04, 2020 8:30 pm Post subject: Re: Uneven wear on rear drum. |
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Adriel Rowley wrote: |
What would cause this uneven wear? |
Would guess the tool/spindle the drum was installed on to lathe the inner diameter at the factory was somehow off. Maybe a metal chip stuck in the dead/live center end. Would not worry about it, now that it has been trued up with the actual brake shoes. _________________ In Stereo, Where Available! |
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Adriel Rowley Samba Member
Joined: October 12, 2006 Posts: 4748 Location: Mesa, Arizona
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Posted: Thu Feb 06, 2020 8:05 pm Post subject: Re: Uneven wear on rear drum. |
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Eric&Barb wrote: |
Adriel Rowley wrote: |
What would cause this uneven wear? |
Would guess the tool/spindle the drum was installed on to lathe the inner diameter at the factory was somehow off. Maybe a metal chip stuck in the dead/live center end. Would not worry about it, now that it has been trued up with the actual brake shoes. |
Well, got the drum on, and where the high spot is, even with the shoes all the way in, rubs. What you make of that? _________________ Please consider I am Autistic, so I process information differently and still working on social skills. Thanks.
Dad's 1964 Beetle purchased September 1968.
https://www.thesamba.com/vw/forum/viewtopic.php?p=9252810#9252810
1971 Sunroof Squareback with Fuel Injection
http://www.thesamba.com/vw/forum/viewtopic.php?t=219811&highlight=squareback+rejuvenation |
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mukluk Samba Member
Joined: October 18, 2012 Posts: 6985 Location: Clyde, TX
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Posted: Thu Feb 06, 2020 8:36 pm Post subject: Re: Uneven wear on rear drum. |
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Are the shoes not sitting square to the backing plate?
Is the backing plate bent?
How well do the ends of the shoes fit in the slots in the adjusters and wheel cylinders? _________________ 1960 Ragtop w/Semaphores "Inga" |
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Adriel Rowley Samba Member
Joined: October 12, 2006 Posts: 4748 Location: Mesa, Arizona
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toxicavenger70 Samba Member
Joined: July 28, 2019 Posts: 869 Location: CO
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Posted: Sun Feb 23, 2020 1:42 pm Post subject: Re: Uneven wear on rear drum. |
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Are the pads evenly adjusted? |
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