Volkswagen Workshop Service and Repair Manuals

Renewing seals on injectors Special tools and workshop equipment required

t  Tool set -T10133-   Note The Teflon ring must not be lubricated. Procedure –  Carefully remove old Teflon ring using a suitable tool (e.g. cut open ring using razor blade, or prise open ring with small screwdriver and then pull off forwards). It is essential to ensure that the groove and continuous ridge in groove surface are not damaged.

–  Carefully clean injector in area of oil seal -arrow- and remove existing deposits (carbon) with a brass brush. –  Carefully cut oil seal open with a knife. –  Clean oil seal groove.

–  Position new oil seal on assembly cone -T10133/5- and push oil seal onto assembly cone -T10133/6- as far as possible with assembly sleeve -T10133/5-.

–  Turn assembly sleeve -T10133/6- over and push oil seal onto end of assembly cone -T10133/5-.

–  Fit assembly cone -T10133/5- on injector and push oil seal onto injector using assembly sleeve -T10133/6-. –  Remove assembly cone -T10133/5- and push oil seal into groove with assembly sleeve -T10133/6-.

–  Push calibration sleeve -T10133/7- onto injector to stop and simultaneously turn it slightly (approx. 180°). –  Pull calibration sleeve -T10133/7- off again, turning in opposite direction.

–  Push calibration sleeve -T10133/8- onto injector to stop and simultaneously turn it slightly (approx. 180°). –  Pull calibration sleeve -T10133/8- off again, turning in opposite direction. –  Renew O-ring on injector and on support washer.

–  Fit support ring -1- on injector again and clip radial compensation element -2- to support ring.