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Dms 50mm Coilover Make Some Noise?

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Nosure Proficient

Nosure

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just put on DMS 50mm on my 34gtr. its really nice coilover and i can go corner much better. my setting is

damp:F and R soft to hard 2 turn repound: haven't touch it yet.

only one thing make me unhappy. it make some noise, when the road is flat, the noise like birdcall (zi zi zi zi) not loud i can't notice it if I open the window or music on. but if the road is not flat. it make some knock, all the noise come from rear (I have cut the rear trim for easy adjust rear suspension).

anyone can give some idea??? is that normal??

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gslrallysport Experienced

gslrallysport

Posted
Posted
just put on DMS 50mm on my 34gtr. its really nice coilover and i can go corner much better. my setting is

damp:F and R soft to hard 2 turn repound: haven't touch it yet.

only one thing make me unhappy. it make some noise, when the road is flat, the noise like birdcall (zi zi zi zi) not loud i can't notice it if I open the window or music on. but if the road is not flat. it make some knock, all the noise come from rear (I have cut the rear trim for easy adjust rear suspension).

anyone can give some idea??? is that normal??

Were they installed with new strut tops front AND rear? Skyline DMS 50mm need to be installed with new pillow ball strut tops front and rear, you can't re-use the existing tops at either end.

POP23 Newbie

POP23

Posted
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The chirping noise may be a dry shaft seal, prone to making the sort of noise you describe.

DMS used to supply a circular metal "top hat ring" to weld to the OEM pressed metal top spring seat, and a turned out DMS top spring seat to slip over the top hat ring. That way the OEM top seat / and damper shaft bushes can be reused. Pillow ball tops are not required given the design nature of the suspension.

Nosure Proficient

Nosure

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Were they installed with new strut tops front AND rear? Skyline DMS 50mm need to be installed with new pillow ball strut tops front and rear, you can't re-use the existing tops at either end.

i only have new strut top on front:( they didn't told me i need rear one:(

Nosure Proficient

Nosure

Posted
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The chirping noise may be a dry shaft seal, prone to making the sort of noise you describe.

DMS used to supply a circular metal "top hat ring" to weld to the OEM pressed metal top spring seat, and a turned out DMS top spring seat to slip over the top hat ring. That way the OEM top seat / and damper shaft bushes can be reused. Pillow ball tops are not required given the design nature of the suspension.

thank you for help

so the strut top is not required for DMS 50mm coilover?

i went to Neal lowe today (DMS dealer QLD). they reckon the valve make some chirping noise. actually the front and rear all make chirping noise, i just coundn't hear the front noise during drive. if i press the 4 corner of my car, i can hear the chirping noise on all 4 corner. so I assume its normal. but what the knock come from? :banana:

gslrallysport Experienced

gslrallysport

Posted
Posted
Pillow ball tops are not required given the design nature of the suspension.

Aftermarket strut tops are required front and rear for the DMS when fitted to the Skyline! We deal with DMS on a regular basis (ourselves and Neil Lowe are the only QLD dealers), and straight from the mouth of the engineer that makes them, they need aftermarket strut tops!

POP23 Newbie

POP23

Posted
Posted

Things must have changed from just a few years ago then, when DMS supplied our ER34 Tarmac struts AND the above hardware to mate up to the OEM pressed metal tops.

The assembly was done locally by the DMS agent with instructions faxed by DMS, and is a good solution that does NOT require new tops.

We still have the struts although they are no longer in the car, unfortunately the instructions were sent on a thermal printout fax so somewhat faded but still clearly indicating they came from DMS.

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