Poly V-belt pulley securing bolt tightening procedure

A new securing bolt is being introduced gradually.

Use old form until new type of bolt has been introduced.

Note different torque settings for bolts.

Introduction of new securing bolt ⇒ ETKA (Electronic Parts Catalogue).

Special tools and workshop equipment required

• Torque wrench - V.A.G 1601-
• Counter-hold tool - 3415-

• Pin - 3415/1- (not illustrated)

Always use a new bolt.

New bolt can be recognised by drilling in bolt head -arrow-.

Specified torque: 150 Nm + ¹/2 turn (180°) further.

Hold poly V-belt pulley with counterhold - 3415- and pin - 3415/1-.

“Old type” securing bolt

Specified torque 90 Nm + ¹/4 turn (90°) further.

Hold poly V-belt pulley with counterhold - 3415- and pin - 3415/1-.