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Rear brake pipe replacement

Discuss problems you have had or are having with your Z4
Zedebee
Lifer
Lifer
Posts: 3350
Joined: Tue Sep 29, 2020 10:37 pm
Location: North Hampshire

Rear brake pipe replacement

Post by Zedebee » Sun May 15, 2022 4:15 pm

Just noticed you have a broken droplink still waiting to be removed.

From memory:
Car jacked up at the rear where the two diagonal braces meet
Second jack positioned under the damper
Remove brackets which attach the droplink to the wishbone
Lube up ARB end of droplink, feed it up through the wishbone and position the bottom end up against the ARB
You might be able to press it on a little bit so it doesn’t fall off, but at this stage it will be a long way off vertical
Lying under the car (taking all appropriate safety precautions) with your head inboard, get a big lever (I used a big flat head screwdriver with a 1/4” square section) behind the droplink, i.e. wheelside, up though the wishbone and lever towards you using the wishbone as a pivot.
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3D319600-4F72-44B8-91DB-DD3127CBEB00.jpeg (84.05 KiB) Viewed 201 times
Use the second jack to raise/lower the suspension to give you a better angle.
Then when it’s properly on, attach the brackets and secure

It was a significant effort, but went on eventually. You don’t have to remove the brackets, but it made it easier to manoeuvre/position the droplink from above and assess angles etc.
2003 Maldives Blue 3.0i auto
Previously: Maldives Blue 2.5i manual (its back!) and another, and a Monaco Blue 3.0Si coupe

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bigwinn
Lifer
Lifer
Posts: 4613
Joined: Wed Jul 08, 2020 7:13 pm
Location: Lincoln UK
Contact:

Rear brake pipe replacement

Post by bigwinn » Sun May 15, 2022 5:19 pm

Thanks Ben I’ll deffo give that a go

Next time

Brake pipes all done- a more substantial kit was all that was needed!

Stuart
If the forum helped you, why not help the forum back. Thats the Z4 way! :thumbsup:

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Zedebee
Lifer
Lifer
Posts: 3350
Joined: Tue Sep 29, 2020 10:37 pm
Location: North Hampshire

Rear brake pipe replacement

Post by Zedebee » Sun May 15, 2022 6:46 pm

Well done Stuart, not many try that at home. :thumbsup:
2003 Maldives Blue 3.0i auto
Previously: Maldives Blue 2.5i manual (its back!) and another, and a Monaco Blue 3.0Si coupe

wolverine2k
Member
Member
Posts: 90
Joined: Wed Feb 09, 2022 10:10 am
Location: Hainault IG7

Rear brake pipe replacement

Post by wolverine2k » Sun May 22, 2022 2:49 pm

bigwinn wrote: Sun May 15, 2022 5:19 pm Thanks Ben I’ll deffo give that a go

Next time

Brake pipes all done- a more substantial kit was all that was needed!

Stuart
Did this job myself last month - when looking at your pictures, I was wondering if they were my pictures :D Although your before was wayyy more rotten than mine were. Mine were only slightly rusty but I have a very strict MOT tester. I wouldn't have it any other way though as I like to get things perfect. I even bought steel hoses and went for a fancy purple for no particular reason at all except for it to be different.

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I know a bit late to the party - I used this one "A-P6FT Brake Pipe Flaring Tool Universal In-situ" https://www.ebay.co.uk/itm/124067066953 - worked very well on both the kunifer and the original steel lines where I joined them. I highly recommend it. And no it's not my listing :D

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