Component Overview Of Guide And Tensioning Rails

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Fig 1: Timing Chain And Chain Tensioner Components Location

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Timing chain and chain tensioner

1	Timing chain, bank 1 (cylinders 1 to 4)
2	Tensioning rail for bank 1 only available with timing chain for bank 1
3	Screw for collar axle for tensioning rail, bank 1
4	Screw for collar axle with shoulder for guide rail, bank 1
5	Screws for collar axle for guide rail, bank 1
6	Guide rail, bank 1
7	Screws for chain tensioner, bank 1
8	Guide pad, bank 1
9	Chain tensioner, bank 1
10	Seal on chain tensioner, bank 1
11	Timing chain, bank 2 (cylinders 5 to 8)
12	Guide rail, bank 2
13	Screw for guide rail, bank 2
14	Guide pad, bank 2
15	Screws for chain tensioner, bank 2
16	Chain tensioner, bank 2
17	Tensioning rail, bank 2
18	Screw for tensioning rail, bank 2