Brakes clunking when cooling down

Technical Forum for the Porsche Macan
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weemsy6147
Posts: 33
Joined: Thu Aug 03, 2017 7:09 pm

Brakes clunking when cooling down

Post by weemsy6147 » Thu Mar 29, 2018 11:13 pm

All

I have the Macan Turbo with performance pack. It has now covered 5k miles. Does anybody else get a noise coming from the brakes at the end of the journey when you have switched the engine off?

It is like a loud clunking / clanging noise coming from around the brake area? Like 2 spammers being hit together?

Is this normal?

Thanks


Nuclear Nick
Posts: 1707
Joined: Wed Feb 17, 2016 3:42 pm
Location: Bristol

Re: Brakes clunking when cooling down

Post by Nuclear Nick » Fri Mar 30, 2018 7:06 am

Yes it's normal, particularly if the last part of the journey has involved some heavy braking. You'll also get noises from the exhaust system as it cools down. Turbo charged engines with catalysts generate very high temperatures in the exhaust system and it's normal to hear metallic noises as it cools and shrinks.
Nick

Macan Turbo, collected 6/9/16 - http://www.porsche-code.com/PHPDB6Z7

911 C2 GTS, collected 8/3/18 - http://www.porsche-code.com/PJKUPBX8


weemsy6147
Posts: 33
Joined: Thu Aug 03, 2017 7:09 pm

Re: Brakes clunking when cooling down

Post by weemsy6147 » Sat Mar 31, 2018 5:28 pm

I do understand that but never had any noises like that from my previous 2 M5’s?


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