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Old 18th August 2021, 19:13   #1
bluemalbert
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Default 2 questions!

Can someone please tell me the size of the driveshaft nut on a ZT190? I need a new socket!
Also what is the purpose of the silicone pipe (about 4 or 5mm) fitted to the front hub near the inner end of the track control arm, there is an 8mm bolt which appears to hold an oval retaining plate and the pipe entering the hub?
Importantly - how is the pipe removed, bolt out, but not releasing the mystery (to me) pipe???
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Old 18th August 2021, 19:48   #2
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32mm for the socket, the 'pipe' is actually a wiring harness for the ABS sensor
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Old 18th August 2021, 19:56   #3
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Thankyou!!
Once the bolt is out, how is it all removed?
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Old 18th August 2021, 20:06   #4
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Thankyou!!
Once the bolt is out, how is it all removed?
With great difficulty, give it a good soak in plusgas, then twist and pull with mole grips. Chances are it will break off and need drilling out (99% of them do) If you need to drill it out, the diameter of the hole is 12mm. Don't go too deep or you risk scoring the bearing.

Mark your drill bit using the new sensor as reference.
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Old 18th August 2021, 23:23   #5
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Many thanks. I guess its a better bet to leave it on and disconnect the other end somewhere. (Ive got a snapped spring and the dreaded carrier bolt is shot and seized etc so need to remove the hub and strut together!)
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Old 18th August 2021, 23:57   #6
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Quote:
Quote:
Originally Posted by bluemalbert View Post
Many thanks. I guess its a better bet to leave it on and disconnect the other end somewhere. (Ive got a snapped spring and the dreaded carrier bolt is shot and seized etc so need to remove the hub and strut together!)
Yes follow the wiring through the inner wheel arch liner, pull out the rubber grommet then unplug the blue connector inside the inner wing in the engine bay.

The left grommet in this photo, and the blue connector the black one is for the brake wear sensor which will also need to be removed if you are taking the strut off the car completely.
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Old 24th August 2021, 13:00   #7
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Default Damper

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Yes follow the wiring through the inner wheel arch liner, pull out the rubber grommet then unplug the blue connector inside the inner wing in the engine bay.

The left grommet in this photo, and the blue connector the black one is for the brake wear sensor which will also need to be removed if you are taking the strut off the car completely.
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Hi all! Ive left the ABS sensor in place! Having now got the front strut off, and in turn, the broken spring, new one ready to go - can i ask is there a test or obvious signs of an expired damper? it is physically difficult to move by hand, but im not sure of the force needed to do this. Also it is fairly well tight and compressed (spring off) and i would have thought it would have been extended under its own force?
Any guidance will be appreciated. thanks in advance.
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Old 24th August 2021, 13:17   #8
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Hi all! Ive left the ABS sensor in place! Having now got the front strut off, and in turn, the broken spring, new one ready to go - can i ask is there a test or obvious signs of an expired damper? it is physically difficult to move by hand, but im not sure of the force needed to do this. Also it is fairly well tight and compressed (spring off) and i would have thought it would have been extended under its own force?
Any guidance will be appreciated. thanks in advance.
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Old 24th August 2021, 13:22   #9
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Hello Malcolm, the strut (damper) should fully extend automatically when the spring and upper mount/bearing is removed. You'll need a spring compressor to put it all back together.

EDIT: Have a read : https://cse.google.com/cse?cx=013872...28.qicljtYBNAQ
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Old 24th August 2021, 13:24   #10
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... can i ask is there a test or obvious signs of an expired damper?
With the suspension assembled, yes! I'm sure you would have noticed either the crashing into potholes or the blancmange effect. Check that there's no fluid leaking and that the gaiter is intact, then carry on with your spring replacement.

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