Using the ratchet strap is safest for the ball joint since there's no pressure to the joint from controlarm bushings or strut. If you compress the strut with a jack and the ball joint releases from the control arm then it might slip and release spring pressure. Possible damage to ball joint and ABS wire. Probably can do it but I don't see why risk and not to use a 5£ ratchet strap.
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2002 V70 D5
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