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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHFell at the first hurdle - stuck retaining pin
Leading reported evidence
Use bit of brembo grease
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
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Performed · outcome unconfirmed
Once I got them out I did clean them up and reuse them, however I ordered new ones and replaced them a couple of weeks later and used a bit of Brembo grease on them to prevent the same happening again.
Leading evidence: 'Use bit of brembo grease' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean rust up; also mole grips' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
I had to use a dremmel and a sandpaper attachment to clean the rust up; also mole grips to rotate the pin so could clean up the inside.
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Suggestion · Original poster
Attempted to change my front axle discs and pads today but got stuck as soon as the wheels were off!
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Suggestion
I had to use a dremmel and a sandpaper attachment to clean the rust up; also mole grips to rotate the pin so could clean up the inside.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
use a punch that is same diameter as the pin (or just about's..) and use a small club hammer as try and tap it out
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Performed · outcome unconfirmed
Once I got them out I did clean them up and reuse them, however I ordered new ones and replaced them a couple of weeks later and used a bit of Brembo grease on them to prevent the same happening again.
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9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Generation: 20261026T172408Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Can anyone help with this old chestnut?
Attempted to change my front axle discs and pads today but got stuck as soon as the wheels were off!
Damn retaining pin. I've tried penetrant and invested in a solid parallel punch and metal mallet but it won't budge on one side. The other side did eventually move through the first hole but then got stuck again.
Any hints and tips would be much appreciated. Thanks.
David
I had to use a dremmel and a sandpaper attachment to clean the rust up; also mole grips to rotate the pin so could clean up the inside.
Once I got them out I did clean them up and reuse them, however I ordered new ones and replaced them a couple of weeks later and used a bit of Brembo grease on them to prevent the same happening again.
The pin diameter may be increased due to corrosion, so won't go through the hole; get some emery paper or wet and dry. Cut into strips and feed it round the back of the pin and use reciprocating motion (like a 2 man saw) to clean up the bits you can't see. keep doing it using new sections of abrasive,
do similar with the bits you can see.you're aiming for shiny metal on the pin. you might have to knock it back in its original position and clean up the first section, as you're tring to push the pin through a hole which isn't big enough.
get new pins
Thanks v much for the replies.
Unfortunately I don't have a Dremel but it's on my list! I tried sanding down the pin but decided to cut my losses and have just dropped the car off at Zentrum (who kindly fitted it in with zero notice!).
I managed the rear brakes and discs fine last time but I guess time and rust have done their thing. Guess I need to accept the car is getting on and stuck/seized items are more of an issue. Will see if I can expand my tool kit in future for such jobs. I hadn't even tried the calliper nuts so hopefully they'll move ok for Zentrum.
Thanks again and big thanks to Zentrum for fitting it in at no notice.
Dave
I feel your pain, believe me and had the same experience on one caliper when I last refurb'd them all.
You have a few options really..
1.. cut the pin in half then use some grips to try and rotate it to free them
2.. use a punch that is same diameter as the pin (or just about's..) and use a small club hammer as try and tap it out
3.. remove the caliper in total, support it well and use a punch with club hammer
I got mine out with 2 above but was getting to the point in removing the caliper in total, it will come out just be careful and be accurate when you hammer it and you do need to give it a good wack
Hope you get the sucker out my friend
It is usually rust backing up in the pin hole when you punch them out, if you tap it back and forth and get in to clean as much rust off as possible with a file or sandpaper. Also as mentioned if you are going to fit new pins just cut them off and work them with a drift.
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