Cayenne Titanium (9PA) V8-4.5L (2006)
Compression Check: Testing and Inspection
WM 101902 Checking compression of cylinders
Preliminary work
Preliminary work
1. Open the bonnet.
2. Open lid of central electrics box. To do this, loosen the four fastening screws.
Central electrics box
Warning:
Risk of electric shocks from high-voltage ignition system and danger of damage to ignition rod modules!
Connected ignition rod modules can be damaged.
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Always remove the ignition rod module fuse.
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Always disconnect ignition rod module electrical connections.
Caution:
Risk of damage to components that affect the exhaust system!
Unburnt injected fuel enters the exhaust system.
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Prevent the fuel from injecting by removing the fuse.
3. Remove the fuses -7- for the ignition rod modules -8- and injection system.