Brake Bleeding Procedures

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C5X7_2_2HDI
(Donor 2022)
Posts: 26
Joined: 13 Nov 2022, 13:56
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Brake Bleeding Procedures

Unread post by C5X7_2_2HDI »

Hello Marc!
After replacing my rear caliper the brakes are non existent despite me bleeding on the caliper nipples.
Could you please post procedure on how to completely bleed my brakes on my C5 X7 as I can't seem to find it on the resources section.
Are there more than 1 procedure as I came across a thread where there was mention of primary and secondary system, where secondary can only be led through diagbox (which I do have), but there were no detailed procedures.
Apprechiate it!
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GiveMeABreak
(Donor 2016)
Posts: 41989
Joined: 15 Sep 2015, 19:38
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Re: Brake Bleeding Procedures

Unread post by GiveMeABreak »

I've moved this out of the parts thread into a separate topic.

It is essential that both primary and secondary (ESP Block) systems are bled and always after the primary system has been bled. I'll put up the procedure shortly and put a link here for you.

Link to Procedure:

C5 X7 Drain & Refill, Refilling, Bleeding Brake Circuit
Please note, I'm no longer active on the Forum, so won't respond to messages.

Marc
AtleG
Posts: 3
Joined: 04 Jan 2018, 13:54

Re: Brake Bleeding Procedures

Unread post by AtleG »

Hi :-)
On the same topic: I've replaced the two front calipers on my 2009 2.0hdi X7 , but the brakes are not as they are supposed to be (spongy, giving in under constant pressure, needs pumping to get firmer, etc., I'm guessing air). So I too would very much like to follow the procedure for bleeding (yes, I know, I should probably have read it before I did the job...). I click on the link above, but the result is a disappointing "You are not authorised to read this forum". Any guidance, please?
-Atle
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GiveMeABreak
(Donor 2016)
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Joined: 15 Sep 2015, 19:38
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Re: Brake Bleeding Procedures

Unread post by GiveMeABreak »

Yes, you need to upgrade your membership to access the resources section. See below:
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The system has 2 bleeding processes, one on the primary and one on the secondary circuit - explained in the procedure.
Please note, I'm no longer active on the Forum, so won't respond to messages.

Marc