V90 L6-2.9L VIN 96 B6304S (1998)
Checking/Replacement Of Brake Piston B1
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Remove cover snap ring.
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Use adjustable pliers to grip piston cover flange and lift off cover.
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Remove piston by blowing carefully into bore with compressed air while holding cover with fingers.
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If piston rod must be replaced, ensure that new rod is of the same length.
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Piston rods are available in four different lengths:
L = 70.65 mm
L = 71.40 mm
L = 72.15 mm
L = 72.90 mm
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Replace seal and two 0-rings in cover. Lubricate new 0-rings lightly with ATF fluid.