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Old 05-24-2023, 11:09 PM
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Parking brake - hold-down pin - rear brake shield

Hi there

I just did rear pads and rotors. on the right rear, I noticed the hold down pin
part # 34406794950, was bent, had fallen out and was loose inside the rotor.
I tried to straighten it and reinsert it into the corresponding hole in the brake backing shield and it appears the hole has rusted and enlarged so it won't hold the hold-down pin.

I am thinking I'll get a new backing shield, cut it so I don't have to remove axle and hub and put it all back together...

Anybody have a better idea?



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Old 05-24-2023, 11:24 PM
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You could use a "hat" portion from another vehicle that has it or brake hardware kit on the backside. If you replace the backing plate what I did on the fronts is drill a 1/4" hole where you want to cut, then cut through the center of the hole and use a 1/4" bolt and washers to put it back together.

If the bearing needs to come off anyway then it's no use cutting the plate.
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Old 05-24-2023, 11:45 PM
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If you cut the dust shield directly through one of the narrowest sections at the caliper bolt clearance cut-outs, you can twist the shield slightly to get it over the hub flange.

No need to bolt or weld this cut back together again - simply twist it back to make the cut flush and bolt it down - it's not going anywhere.
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Old 05-28-2023, 01:22 AM
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This is from E46 but they showed you where to cut it...

https://www.pelicanparts.com/BMW/tec...eplacement.htm
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Old 05-28-2023, 07:33 AM
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That's perfect...thanks for finding/sharing...
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Old 05-28-2023, 11:55 AM
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When I realized I goofed and put my hub back on the front before installing the dust shield, I cut and folded rather than cut out a piece liker they did in the step by step. Folded back in place and just had a slit rather than a window.
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Old 05-28-2023, 12:07 PM
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Thanks I might try that..

In the pelican article, that came up in the comments . The worry is that a kink in the backing
Plate from bending it back will mess up the alignment of the parking brake shoes..
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Old 05-28-2023, 06:40 PM
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It's not a very critical alignment. You could also splice some tabs and re attach the cut part with some blind rivets.
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