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Home >> Porsche >> 2016 >> Macan Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 801 (15 - Engine - Cylinder Head, Valve Control 4.8L Turbo -- 970 - PANAMERA (970)) >> WM, 153319 Removing And Installing Chain Housing Cover >> Information >> Component Overview

Component Overview

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Fig 1: Chain Housing Cover Seals Components Location
G15198050Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Chain housing cover seals

1  Chain housing cover
2  Chain housing cover seal, outer right (fill openings with sealant, see 6)
3  Inner chain housing cover seal
4 Chain housing cover rib seal
5  Chain housing cover seal, outer left (fill openings with sealant, see 6)
6  Sealant application on tinning chain housing; Loctite 5900 (000.043.204.35 status 10/08)
G15198051Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Applying sealant (filling openings in metal seal)

1  When chain housing cover is fitted, apply sealant to joint before fitting valve covers
2  When chain housing cover is fitted, apply sealant to joint before fitting valve covers
G15198052Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Applying sealant before fitting valve covers

1  When chain housing cover is fitted, apply sealant to joint before fitting valve covers

20 mm  Length of sealant applied to joint

Fig 2: Chain Housing Cover Screws Tightening Sequence
G15198053Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Tightening sequence for chain housing cover

A  Aluminium screw, M6 x 30; timing-case cover to crankcase and cylinder head; always use new aluminium screws
B  Aluminium screw,  M6 x 55; inner part of timing-case cover to upper part of crankcase and cylinder head; always use new aluminium screws; outer part of timing-case cover to cylinder head
C  Aluminium screw,  M8 x 55; timing-case cover (chain tensioner position) to upper part of crankcase and cylinder head; always use new aluminium screws
D  The chain housing cover must be level with the lower part of the crankcase (use a steel rule or dial gauge)
Fig 3: Chain Tensioner, Joint Flange Components Location
G15198054Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Chain tensioner, joint flange

1  Joint flange (oil sealing lip with engine oil); align with sleeve or vibration balancer/replace
2  Aluminium screw,  M6 x 20; always use new aluminium screws
3  Aluminium screw,  M6 x 55 c'ways use new aluminium screws
4  Sealing ring; always replace
5  Chain tensioner
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