S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Camshaft: Service and Repair
Camshafts
Special tools, testers and auxiliary items required
‹› Multi-Point Socket (T10035)
‹› Tool Set (T10133)
‹› Counterhold Tool (T10172) with (10172/7)
‹› Securing Pins 1 set = qty. 2 (T40116)
‹› Hand drill with plastic brush attachment
‹› Protective eyewear
‹› Sealant
Removing
‹› Here, removal and installation at left cylinder head is depicted in the following description.
-
Remove affected camshaft timing chain from camshafts. Refer to => [ Camshaft Timing Chains, Removing from Camshafts ] See: Timing
Components/Timing Chain/Service and Repair/Camshaft Timing Chains, Removing From Camshafts.
-
Disconnect electrical connectors:
1. on Camshaft Adjustment Valve 2 (N208)
2. on Fuel Pressure Sensor (G247) *
3. on the left high pressure pump
4. on Camshaft Position (CMP) Sensor 2 (G163)
-
Remove bolt - 5 - and move the wiring harness to the side.
-
Remove high pressure pump.
‹› To prevent engine oil from running out, place a rag under the upper section of the oil pan.
-
Remove crankshaft holder Crankshaft Holder (3242) from upper section of oil pan.