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Old 13th February 2022, 16:27   #1
smudge.g
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75 Tourer CDTi Connie SE

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Default Any help with brake parts?

I have been spending a bit of time refurbing my brake calipers and have on occasion had real problems with removing bleed screws. Anyway, I did manage to remove the old and very worn screw from one of my rear callipers using heat but the replacement set that I bought online (that seem to be high quality steel versions) are very slightly too narrow for this caliper. The screw went in and seemed to tighten ok some months ago but when I went to refit the caliper today, the screw was wobbling slightly in the hole and just pulled out. The thread inside the caliper seems to be fine and undamaged.
Can anyone suggest where I can get the correct size from? the ones I bought were supposedly for my car (2003 75 CDTi with standard brakes) and I'm sure I fitted one of these blled screws on the other side last year with no issue so strange to have problems with this side!!.
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My 75 Tourer CDTi was born Saturday, 21st June 2003 @ 09:50

My 75 was the 18,749th 75 Tourer to run off the production line, out of 27,407
It was the 195th 75 Tourer CDT Connoisseur SE (135) to be made out of 2,074
and the 1,789th 75 Tourer in Wedgewood Blue Metallic (code: JEL) to be made out of 1,871 Wedgewood Blue Metallic 75 Tourers
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Old 13th February 2022, 16:54   #2
Typhoon190
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I'm not 100% certain, but in my experience all the caliper bleed screw threads have been M8 standard coarse (M8 x 1.25). Some seem to suggest there is an M7 option.

Perhaps the bleed screws you have fitted are M7 and the thread in the caliper is M8.

Could always go for some titanium bleed screws as well.
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Old 13th February 2022, 20:24   #3
xsport
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yes both m8. just different lengths front and rear. i would never buy the alloy type ones again.... snap too easily. buy the ones from rimmers or st/st and a good coating of copper slip before fitting. dont over tighten them , as its not necessary.
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Old 13th February 2022, 20:27   #4
xsport
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i suppose its possible that the hole has been damaged before and either re tapped or drilled out to a different thread . you will need to inspect again carefully . ...
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