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Strange knocking from front - ideas?

Ive got a strange metallic 'clonk' emminating from my Spider.

It *sounds* like its coming from the front right, but these things can often fool us.

The car just had its MOT last week and passed no problem - one CV gaiter was replaced, and the others were done in December - I guess we can assume they are OK.

Both lower arms are almost new OE.

Suspension turrets and springs/top mounts are <8k miles old. (-30mm Eibach and KYB dampers).

The car does have a Wiechers strut brace. Everything looks OK down there!

It only happens when turning RIGHT, but never when left.

It almost sounds like its a release of tension, it doesnt do it all the time - approx 1 time in 5 when making a right turn at medium/low speeds.

Any pointers appreciated.

-1998 916 Spider 2.0TS Lusso-
H&S Corse stage 1.
CATCAMs stage 1 cams with Savali custom ECU remap.
305mm discs with 166 4-pot callipers.
Ragazzon exhaust mid section.
Biscione Racing 2x70mm rear section.
Polybush suspension.
17" Zender Siena wheels with 3mm rear spacers.
etc etc etc!
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Check the eight bolts holding lower arms to the subframe so that no one of them are loose or have had it's thread stripped.
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My twinny was doing this when I had problems with the bottom ball joints (lower wishbone to hub carrier)
Also did it when I jacked it up. I got someone to jack up and looked underneath and could see the Balljoint move within the hole with the pinch bolt in? hope that meake sense.
Mine had had dodgy bolts at sometime, I believe another post said their hub carrier was worn?
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My GTV was making popping and knocking noises from what seemed to be coming from under the bonnet...turned out to be the steering rack. The bolts holding it to the car needed tightening.

Sound gone....
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front , ideas , knocking , strange

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