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10th March 2021, 06:47 | #1 |
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Stainless Steel Rear Subframe Washers
Dear All
I am in the process of collecting all the parts I need to rebuild and replace my rear suspension. One of the parts I could not get anywhere are the four large rear subframe failsafe washers. Many members have just cleaned the originals up and used them again. I always like to replace with new parts, just in case the old ones are not serviceable, and to keep the parts as spares if they are serviceable. I contacted several automotive washer manufactures to see if they could help but without any luck. I have eventually found an engineer who would make the tool and make a batch (enough for about 30 subframes) in stainless steel and with the radius which reinforces the washer and to the correct thickness. I don't intend having any more made as I read somewhere on the forum (after I ordered the batch) that another member has made the press tool to do these! Drop me a PM with your email address if you are interested in a set of these either to replace the ones you already have on the car or to keep for when you rebuild your suspension. I'll send you a picture of the finished washers and work out the costings, Best wishes to all, Bob Last edited by Bob Walker; 29th March 2021 at 10:02.. Reason: Photo and edit |
10th March 2021, 07:44 | #2 |
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I’d be weary about using stainless steel, you are asking for trouble if you plan to remove them in future years. Not only that, you will speed up the corrosion of the subframe and the fastener in the area around the washer.
I would highly recommend you use a a low carbon steel for the washers if you want to future proof this. You didn’t extend your search very far, there will likely be a number of people on here (including myself) that could produce tooling to manufacture these with relative ease. But consider a few other advantages to using mild steel; cheaper end products, higher durability and ease of manufacture.
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13th March 2021, 18:09 | #3 |
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Thank you for the comment
Dear RRobson
Many thanks for your comments. In hindsight, I should have posted something about these washers on the forum. I did look through any posts relating to them. I then contacted automotive washer manufactures but to no avail. I would be wary of using stainless steel bolts into aluminium etc but the washers I have had made should not be a problem. A smear of copper seal should stop any issues. The original washers on my low mileage car were absolutely rotten so I just tried to find a solution. Very best wishes, Bob |
13th March 2021, 20:11 | #4 |
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If you are going to clean and keep your originals if serviceable, why not just use them?
I know you like to use new parts but if existing are serviceable, there is no point going to the expense of manufacturing new. macafee2 |
14th March 2021, 07:47 | #5 |
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Washers
The originals are very badly corroded.
Bob |
17th March 2021, 18:33 | #6 |
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First sample has arrived!
Hi Folks
The first sample of my new rear subframe washers have arrived and I am very impressed with the quality and finish. It is identical to the old one except it has no rust and made from stainless steel!! I have taken onboard RRobson's comment and will provide a small tube of copper seal to lightly smear on the touching surfaces if you would like a set. If you would like a picture please send me a PM Last edited by Bob Walker; 17th March 2021 at 18:34.. Reason: typo |
17th March 2021, 19:53 | #7 |
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Separate the stainless washer from the subframe with a barrier (washer fashioned out of tyre tube) to prevent galvanic corrosion??🤔
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17th March 2021, 20:36 | #8 | |
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Quote:
It wouldn’t be that bad if they were tucked away, but they are open to road spray including salty water in the winter and that would increase the corrosion (only tends to be a problem where an electrolyte can coat the two materials and of course salty water is a great electrolyte but water / moisture has a similar although lessened effect) Quick fix not an issue but long term stick with the oem material
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19th March 2021, 07:47 | #9 |
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Paint
I could always paint them!
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18th March 2021, 13:30 | #10 | |
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Quote:
None the less well done on your solution so just add a nice big DIY plastic washer - polyethylene or similar abounds in packaging these days ie used milk containers - doesn't age harden/degrade much, it's thin, virtually non compressable in our terms and should last the lifetime of the sub-frame/the whole car! Last edited by rab60bit; 18th March 2021 at 15:50.. |
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