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rear brake caliper carrier bolt torque?

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BoxsterLL11
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BoxsterLL11 PCGB Member
2020/07/18 11:15:08 (permalink)

rear brake caliper carrier bolt torque?

Just doing the rear brakes on my sons 2015 Macan S and have removed the carrier.
Can anyone tell me the torque for the carrier bolts?
Cannot find it anywhere on the net.
Usually very high.
Found the caliper bolts are 35Nm.

Keith
2012 Boxster 981 3.4S PDK
1995 Mitsubishi FTO GR 2.0 V6
1977 MG Midget 1500
1971 MG B GT

3 Replies

Lancerlot
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Re: rear brake caliper carrier bolt torque? 2020/07/19 16:56:53 (permalink)
Maybe this chart will assist you. I think the carrier has 8mm fasteners, hasn't it?
The grade of steel is usually stamped on the head. If they are cap/torx head assume the grade will be 12.9.
Regards,
 
Clive
 
Bolt Size8.810.912.9A2-70 (Stainless)6mm (M6)9Nm13Nm14Nm7Nm8mm (M8)23Nm33Nm40Nm17Nm10mm (M10)45Nm65Nm70Nm33Nm12mm (M12)80Nm115Nm125Nm57Nm14mm (M14)125Nm180Nm195Nmxx16mm (M16)195Nm280Nm290Nmxx
 
PS. Sorry the chart won't reproduce in this post, but 8mm 12.9 is 40nm or see https://wiki.seloc.org/a/Torque_settings 
post edited by Lancerlot - 2020/07/19 17:02:35

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BoxsterLL11
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Re: rear brake caliper carrier bolt torque? 2020/07/20 11:44:34 (permalink)
Thanks for your response Clive.
I think you are getting confused with the carrier bolts which must be about M12 or M14 whereas the floating caliper bolts are about M8 and they are torqued up to 35Nm.
As it happens, there was very little room to get the head of my large torque wrench behind the caliper bolts to torque them up so they were "guess-timated".
I have a small torque wrench but that only went to 25Nm.
As for the carrier bolts, the guides I had read said that there was no need to remove the carrier as the discs can be removed without doing so.
I have never seen that on any other car I have done the brakes on, the carriers always need to be removed in order to get the discs off.
Hence removing the first side I did.
The torque on the carrier bolts are high as I have done a few other cars recently and I know from these the torque setting is high.
So I just did them up "tight" knowing the "feel/force" needed to undo them.
On the other side I decided to try and remove the disc without removing the carrier and indeed you can remove/fit the disc without removing the carrier but it is a very tight squeeze and a certain amount of jiggling and light manoeuvring of the disc is needed to get the old one out (with the rust etc around the outer edge) and manhandling the new one in without doing any damage to the disc face. 
 
Thanks anyway.
Have seen the table you posted the link to so think I will print it off and stick it to the garage wall for future reference.
post edited by BoxsterLL11 - 2020/07/20 11:46:28

Keith
2012 Boxster 981 3.4S PDK
1995 Mitsubishi FTO GR 2.0 V6
1977 MG Midget 1500
1971 MG B GT
CamGTS
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Re: rear brake caliper carrier bolt torque? 2020/07/21 08:48:15 (permalink)
yes no need to remove the carrier when doing discs/pads

Cam
1980 Talbot Sunbeam Lotus
1982 Triumph TR8 (TR7V8)
1991 Peugeot 205 GTi 1.9
2004 Renault Sport Clio 182
2011 Porsche 911 GTS
2016 Porsche Macan GTS
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