Allocation of chain tensioners

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Chain tensioner on crankcase (oil filter area).
Identification: 1 ring

Fig 1: Identifying Chain Tensioner On Crankcase (Oil Filter Area)
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Chain tensioner on cylinder head, cylinder bank 1 - 3. Identification: 2 rings

Fig 2: Identifying Chain Tensioner On Cylinder Head, Cylinder Bank 1-3
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Chain tensioner on cylinder head, cylinder bank 4 - 6. No identification. Fastened with hexagon socket head bolt.

Fig 3: Identifying Chain Tensioner On Cylinder Head, Cylinder Bank 4-6
Courtesy of PORSCHE OF NORTH AMERICA, INC.

Tightening torque for chain tensioners: 80 Nm (59 ftlb.)