Removing Cylinder Head

WARNING: This page is about a different car, the 2014 Porsche Cayenne, 2013 Porsche Cayenne, 2012 Porsche Cayenne, and 2011 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.

Remove vent line.
1. 1.1 Unscrew fastening screws -1- .
2. 1.2 Unclip vent line -2- from the cable duct and remove it -arrow- .
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Vent line
Expose engine wire harness close to the vacuum pump. > Engine wire harness close to vacuum pump > Engine wire harness at the rear right

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Engine wire harness close to vacuum pump

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Engine wire harness at the rear right
Unclip engine wire harness close to the high-pressure pump.
1. 3.1 Unclip engine wire harness at the retaining clips -arrows A- .
2. 3.2 Unscrew the screw socket -arrow B- .
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Engine wire harness close to high-pressure pump
Lift wire harness up and out at the cylinder heads -arrow-

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Engine wire harness

Remove mounting saddle at the front -8- (cylinder bank 1 to 4 shown). This hides the cylinder head screws underneath.

Fig 1: Camshafts Components Location - Cylinder Bank 1 To 4

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Camshafts, cylinder bank 1 to 4

1	Camshaft (outlet)
2	Camshaft (intake)
3	Hydraulic valve for variable valve lift control
4	Screw, M5 x 12
5	Switching tappet (oil with engine oil)
6	Bucket tappet (oil with engine oil)
7	Stopper
8	Mounting saddle 1 to 4
9	Stopper
10	Bearing locations (oil with engine oil)
A	Direction of travel

Remove front M8 screw securing the cylinder head for cylinders 1 to 4 to the crankcase. -3-

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Cylinder head 1 to 4
Remove cylinder head screws in the opposite order to the tightening sequence shown > Tightening sequence for cylinder head . Remove cylinder head. If necessary, remove the valve lifters now and lay them aside in the correct order.

Fig 2: Cylinder Head Loosening Sequence
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Tightening sequence for cylinder head
Remove cylinder head gasket.
Remove cylinder head for cylinders 5 to 8 in the same way. > Cylinder head 5 to 8

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Cylinder head 5 to 8