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Suspension
September 20, 2017
7:40 am
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Weazel134
Bedford
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September 15, 2015
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I have the Gaz shocks on my zero and want to adjust the ride height slightly. Any idea what tools i need to adjust it? special spanner? size etc?

thanks Dan

September 20, 2017
1:35 pm
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Simon
GBS Technical
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August 9, 2013
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first thing, always lift the weight of the car off the springs, the collar will move easier.

Clean the treads of the damper, soap and water and a soft brush, lubricate the treads, light oil or a thin grease.

remember to unscrew the grub screw or will damage the threads, if the grub screw has been over tightened they can indent the thread making movement harder. if this has happened unscrew the collar and repair damage to threads.

When lubed and I would also advise the spring seats as well the collar can usually be turned by hand. Take it a turn or two which ever way you need to, drop the weight back on, remember to jump up and down on the car to settle the suspension before measuring.

If you can not move it you can make a rudimentary tool from a cable tie and lever, but always tape the metal part that rests on the damper components.

There is a proper tool for castellated collars, often called a "C" spanner, or a "hook" wrench. Some will adjust to different sizes of collars some are fixed to one size.

https://www.google.co.uk/search?q=c+spanner&rlz=1C1CHBF_en-GBGB748GB748&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwiGyeOS4bPWAhWEtBoKHcFnBZQQsAQIjgI&biw=1920&bih=974

The fixed type hold better and tend to be smaller framed, and must suit the diameter of the collar, the adjustable does have to be about the right size but will fit collars of similar diameter, although they tend to be bulky and can be more difficult to use in tight positions like the rear of the Zero.

Whichever you use, BE CAREFUL, and wear thick gloves, they lock into the ring but can slip out if not aligned correctly, smashed knuckles hurt and there are some sharp bit on the rear than can slice you open.

September 20, 2017
1:40 pm
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Weazel134
Bedford
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September 15, 2015
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thanks Simon.

i'll give it a go, top notch advise as usual!!!!

Dan

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