audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

All Technical Service Bulletins for Hydraulic Control Assembly - Antilock Brakes:|488903|Page 4322 > < All Technical Service Bulletins for Hydraulic Control Assembly - Antilock Brakes:|488903|Page 4320
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remove pump shaft and bushing from pump housing with plastic mallet

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check pump shaft/cam and bushing for scoring and uneven wear

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replace pump if shaft is scored

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pry seal out of pump housing

CAUTION

Do not scratch inside of pump housing when removing seal.

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check pump housing (arrow) and bushing at end of housing for damage or uneven wear

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replace pump if housing is damaged or if scoring is evident in bushing or if bushing is out of round

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clean pump housings, pump shaft and bushing and air dry

All Technical Service Bulletins for Hydraulic Control Assembly - Antilock Brakes:|488903|Page 4322 > < All Technical Service Bulletins for Hydraulic Control Assembly - Antilock Brakes:|488903|Page 4320