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Registered
Join Date: May 2005
Location: Houston
Posts: 5,469
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Vintage Brake Caliper Rebuild: Rust Removal Impressive Results with WD40 Rust Remover
I am rebuilding a set of completely frozen and rusty Girling brake calipers (1972 vintage). The rear calipers have the pivoting mechanism on them for the e-brake, seen below with the twin metal ears that were also frozen causing the brake cables to snap.
I decided to try the WD40 Rust Remover after reading the positive reviews on Amazon and figured for $30 for the large container...let's give it a shot. After 2 days of soaking it, I was VERY impressed, not only did it get rid of the rust but it freed up the e-brake mechanism whereby it pivots properly. I actually couldn't believe it. the stuff is also non-toxic and non-corrosive. Highly recommended! Here are some pictures.    My best, Yasin
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Ole Skool - wouldn't have it any other way |
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07-14-2024, 02:50 AM
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Registered
Join Date: Apr 2001
Location: Linn County, Oregon
Posts: 48,514
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Wonder how it compares to evaporust?
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"Now, to put a water-cooled engine in the rear and to have a radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. '73) (I, Paul D. have loved this quote since 1973. It will remain as long as I post here.) |
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07-14-2024, 09:25 PM
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Registered
Join Date: May 2005
Location: Houston
Posts: 5,469
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Quote:
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Ole Skool - wouldn't have it any other way |
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07-15-2024, 03:59 AM
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Behind the Sun
Join Date: Jul 2014
Location: Tejas
Posts: 1,046
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What would be the rinsing/cleaning next step process???
Let's say to just repaint the parts with rattle can ? Not anodizing or chemical coating. |
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07-15-2024, 06:48 AM
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 55,904
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Interesting. I'm on several "old tool" groups (not like this group that's full of old tools, groups about old tools), and the subject of rust removal comes up often. Lots of suggestions of vinegar (frowned upon), evaporust (less frowned upon), and reverse electrolysis.
The vinegar or any other acid treatment is frowned upon because it also damages "good metal". Evaporust also has been reported to make changes to some metals. Some folks have cleaned items and then had the items break in an uncharacteristic way, the theory being that the break was due to a change in the metal caused by the evaporust. I don't think I've ever heard any downsides to the reverse electrolysis. I'd like to try it, but haven't.
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa  SOLD 2004 - gone but not forgotten
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07-15-2024, 06:59 AM
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Registered
Join Date: Mar 2005
Location: Northern CA
Posts: 4,703
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Quote:
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Sold: 1989 3.2 coupe, 112k miles |
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07-15-2024, 01:49 PM
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Registered
Join Date: Oct 2003
Location: Mount Pleasant, South Carolina
Posts: 14,156
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Quote:
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07-15-2024, 02:25 PM
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Registered
Join Date: Dec 2001
Location: MN
Posts: 169
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Hydrogen embrittlement?
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07-15-2024, 04:32 PM
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Registered
Join Date: Sep 2009
Posts: 624
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Gonna have to call you just slow soon.
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07-15-2024, 07:48 PM
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