 Master Cylinder crush washers |
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| 76-914 |
 Jul 17 2018, 03:23 PM
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#1
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Repeat Offender & Resident Subaru Antagonist  Group: Members Posts: 13,492 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California 
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I need to replace the crush washers used by the banjo fitting on the brake MC. They're 2 different sizes and are solid copper washers. Porsche pn# 904 351 534 00 & 904 355 902 00. Are ya'll using the OEM washers or the more common copper hollow crush washers such as Bel Metric's for replacements? TIA, Kent (IMG:style_emoticons/default/beerchug.gif)
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| 914Sixer |
Jul 17 2018, 04:05 PM
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#2
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914 Guru Group: Members Posts: 8,870 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Common washers
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| mepstein |
Jul 17 2018, 04:30 PM
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#3
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914-6 GT in waiting Group: Members Posts: 19,240 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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We use Wurth but probably because they come in a box with 30 or so sizes with labeled compartments. Makes it easy.
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| Chris914n6 |
Jul 18 2018, 12:07 AM
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#4
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Jackstands are my life. Group: Members Posts: 3,304 Joined: 14-March 03 From: Las Vegas, NV Member No.: 431 Region Association: Southwest Region |
Standard banjo washers. Used on power steering pumps, auto trans cooler lines and more. I'd say get copper as aluminum would likely corrode badly down there.
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| bulitt |
Jul 18 2018, 06:38 AM
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#5
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Achtzylinder Group: Members Posts: 4,188 Joined: 2-October 11 Member No.: 13,632 Region Association: South East States |
You can reuse the current ones. (if Copper)
Lay them flat, heat with a propane torch until red. They resume original shape. Or- this from Harbor Freight if you stay copper? https://www.harborfreight.com/80-piece-copp...ment-67526.html https://www.youtube.com/watch?v=RMLqlDSsQpA Personally I lay them flat so they don't fold over when heated. Now I know many will say- why anneal a washer when they are so cheap? Try finding an off size copper washer for a 1983 Ferrari 512BBi Dry Sump drain plug. As an example. Anneal, or make your own. |
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| 76-914 |
Jul 18 2018, 09:01 AM
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#6
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,492 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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I didn't see them on Bel Metric as I searched for copper crush washers. Later I googled "flat copper washers" and lo and behold it sent me to Bel Metric. My mistake because of the wrong terminology. I ordered several because they're cheap. Bob, naturally I thought about annealing them and may still do so if the new ones aren't spot on. BTW, you needn't go to cherry red. Move the torch tip in a slow fanning motion. Once you see the "blue hue" following the torch tip the copper is annealed. (IMG:style_emoticons/default/beerchug.gif)
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