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Vanagon Nut
Samba Member
Joined: February 08, 2008
Posts: 10379
Location: Sunshine Coast B.C.
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 Posted: Thu May 26, 2016 12:06 pm Post subject: New Brake Drums + Backing Plate. Drum rubs? PIC |
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Hi all.
Anyone else have new drums rub on new backing plates?
Someone else online caught this detail but my initial observation was that
my new Zimmerman brake drums damaged the new OEM type (or OEM?) plug at lining inspection hole on backing plate.
Drums: new Zimmerman
Backing plate: NOS (factory?)
This happened at each wheel. I'll measure the new drums against a couple
pairs of used drums.
In part, I want to determine if the issue is due to my work or that some
drums are not within spec.
(though I can't really see how I could've f'd up the backing plate install in
terms of positioning. In/out play at each wheel is very minor)
Neil.
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1988 West DIY 50º ABA
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Vanagon Nut
Samba Member
Joined: February 08, 2008
Posts: 10379
Location: Sunshine Coast B.C.
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| Posted: Thu May 26, 2016 12:07 pm Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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| Vanagon Nut wrote: |
(though I can't really see how I could've f'd up the backing plate install in
terms of positioning. In/out play at each wheel is very minor)
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I did paint the backside of each plate. A few coats of spray paint.
Neil.
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1981 Westy DIY 15º ABA
1988 West DIY 50º ABA
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Thu May 26, 2016 1:54 pm Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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<<<my new Zimmerman brake drums damaged the new OEM type (or OEM ? )plug at lining inspection hole on backing plate.>>>
Which is it?
OE or OEM ?
<<Drums: new Zimmerman
Backing plate: NOS (factory?)>>
OE if they are from VW direct, but I don't think you got them there so they are OEM and don't fit right.
Or is it the drums?
You're right there -- what is hitting what?
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Vanagon Nut
Samba Member
Joined: February 08, 2008
Posts: 10379
Location: Sunshine Coast B.C.
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| Posted: Thu May 26, 2016 6:33 pm Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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| Terry Kay wrote: |
<<<my new Zimmerman brake drums damaged the new OEM type (or OEM ? )plug at lining inspection hole on backing plate.>>>
Which is it?
OE or OEM ?
<<Drums: new Zimmerman
Backing plate: NOS (factory?)>>
OE if they are from VW direct, but I don't think you got them there so they are OEM and don't fit right.
Or is it the drums?
You're right there -- what is hitting what? |
Ya. I hear ya.
Well..... Measured new drum against old. Saw 0.5 mm difference, if that, measuring from inside face where it meets axle flange, to outer lip.
Ok. Terms. I'm assuming the backing plate I got from vancafe is NOS. but who knows? The plastic plugs, ya, again who knows.
I'm not going to worry about it. The passenger side drum does not appear to be rubbing on the plate itself.
I had bigger fish to fry with shoes that barely allowed for the 1.5 mm gap specified by Bentley. But that's another story.
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1988 West DIY 50º ABA
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Thu May 26, 2016 6:57 pm Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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I'd think that the edge of the drum is too deep.
Nothing that a waffle grinding pad wouldn't knock off with a fast pass around the circumference of the edge of the drum.
Who's Zimmermann?
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Vanagon Nut
Samba Member
Joined: February 08, 2008
Posts: 10379
Location: Sunshine Coast B.C.
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| Posted: Thu May 26, 2016 9:03 pm Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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| Terry Kay wrote: |
I'd think that the edge of the drum is too deep.
Nothing that a waffle grinding pad wouldn't knock off with a fast pass around the circumference of the edge of the drum.
Who's Zimmermann? |
I considered doing just that; removing material but it seems ok.
Zimmermann? Isn't he a musician? Or am I thinking of a zither?
Ya. Zither. That's it.
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kamzcab86
Samba Moderator
Joined: July 26, 2008
Posts: 7922
Location: Arizona
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| Posted: Thu May 26, 2016 9:25 pm Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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| Terry Kay wrote: |
| Who's Zimmermann? |
I am truly stunned that that question is coming from you.
http://www.otto-zimmermann.de/en/
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~Kamz 
1986 Cabriolet: www.Cabby-Info.com
 1990 Vanagon Westfalia: Old Blue's Blog
2016 Golf GTI S
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Fri May 27, 2016 8:00 am Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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I blow off Otto--& Deutschland for brake parts.
And belly up to the counter & play Wagner---
Support our own economy--
I am shocked as well as appalled that you don't Kam.
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kamzcab86
Samba Moderator
Joined: July 26, 2008
Posts: 7922
Location: Arizona
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| Posted: Fri May 27, 2016 12:41 pm Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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| Terry Kay wrote: |
Support our own economy--
I am shocked as well as appalled that you don't Kam. |
Wow. A) Making a serious assumption, if not accusation; B) I just bought 3 USA-made products the other day, albeit not car parts; C) even Wagner has brake components made overseas; D) you, yourself, supply foreign-made parts for these German-made vehicles... so, in the words of Shawn and Gus, suck it. :fist:
I was merely pointing out my surprise (and the irony) that an automotive know-it-all has never heard of a well-known brake manufacturer. 
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~Kamz
1986 Cabriolet: www.Cabby-Info.com
1990 Vanagon Westfalia: Old Blue's Blog
2016 Golf GTI S
"Real knowledge is to know the extent of one's ignorance." - 孔子 |
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Fri May 27, 2016 1:12 pm Post subject: Re: New Brake Drums + Backing Plate. Drum rubs? PIC |
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Way back when when I was young &
dumb, I went out with a Kraut babe, she used to give me the high sign once inawhile as notated, with a roll of here tongue in broken english mentioned "Rotate"
Ditto.
I only drop for Made In USA brake parts thank you, and another; Rotate!
The only foreign brake parts that I use are Limey brake shoe linings for my English scooters, which I get direct from the Motherland.
They fit /work the best.
I prefer Wagner brakes & hardware for everything else, don't even have one iota of interest in the ; who knows, who cares, brake parts.
Forget Otto.
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