Overview Of Crankcase 1-3 (Symbolic Representation)

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Fig 1: Exploded View Of Crankcase Half (1-3)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Item	Designation	Qty.	Explanation
1	Hexagon-head bolt, M8 x 50	1
2	Holder	1
2.1	Lock nut, M8	1	Replace
3	Hexagon-head bolt, M6 x 25	1
4	Hexagon-head bolt, M6 x 35	1
5	Sensor holder	1
6	Screw plug	1
7	Sealing ring, A22 x 27	1	Always replace
8	Threaded insert, M20 x 1.5	1
9	Screw-in flanges, oil return	1
10	Sealing ring, A22 x 27	1	Always replace
11	Screw plug for oil pressure relief valve, M18 x 1.5	1
12	Sealing ring, A18 x 24	1	Always replace
13	Compression spring	1
14	Piston for pressure relief valve	1	Check piston and bore for signs of scoring, replace if necessary. Oil the piston.
15	Stud, BM10 x 105	2	Projection length 105 mm
16	Stud, BM10 x 140	2	Projection length 140 mm
17	Stud, BM10 x 150	12	Projection length 150 mm
18	Dowel sleeve on chain box	2
19	Lock nut, M10	1	Replace
20	Washer, 10	1
21	Lock nut	21	Replace
22	Multiple-tooth nut	12	Tighten according to specifications and using special tool 9662.
23	Washer	11
24	O-ring, 8 x 2	11	Replace
25	Straight pin, A6 x 14	1
26	Straight pin, A8 x 14	1
27	Screw plug, 7.5 x 8	1
28	Screw plug, A13	1
29	Screw plug, A19	1
30	Crankcase 1-3	1
31	Oil spray jet for piston cooling	3

Overview of crankcase 4-6

Fig 2: Exploded View Of Crankcase Half (4-6)

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Item	Designation	Qty.	Explanation
1	Screw plug	1
2	Piston	1	Oil
3	Compression spring	1
4	Guide sleeve	1
5	Spacer ring	1
6	Sealing ring, A18 x 24	1	Replace
7	Lock nut, M8	1	Replace
8	Hexagon-head bolt, M8 x 45	1
9	Lock nut, M8	1	Replace
10	Lock nut, M8	1	Replace
11	Hexagon-head bolt, M8 x 55	1
12	Hexagon-head bolt, M8 x 45	1
13	Crash support	1
14	Through bolt	11
15	Washer	13
16	O-ring, 8 x 2	13	Replace
17	O-ring, 8.3 x 2.4	4	Replace
18	Through bolt	2
19	Screw plug, M18 x 1.5	1
20	Sealing ring, A16 x 20	1	Replace
21	Screw plug, M16 x 1.5	1
22	Sealing ring, A16 x 20	1	Replace
23	Stud	3	Projection length 80 mm
24	Stud, BM10 x 110	1	Projection length 110
25	Stud, BM10	1	Projection length 61 mm, main bearing 7
26	Stud, BM8 x 22	3	Projection length 22 mm
27	Stud, BM8 x 48	2	Projection length 48 mm
28	Stud, BM10 x 110	1	Projection length 110 mm
29	Stud, BM8 x 52	1
30	Stud, BM8 x 28	1
31	Stud, BM8 x 32	13
32	Stud, BM10 x 140	1
33	Dowel sleeve	2
No number	Oil spray jets	3