Cooper Convertible (R57) L4-1.6L (N12) (2009)
Valve Spring: Service and Repair
11 34 715 - Replacing all valve springs (N12)
Special tools required:
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11 4 480 See: Tools and Equipment/11 4 480 Placement Boards (2 X)
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11 9 000 See: Tools and Equipment/11 9 000 Cylinder Head Expander Tool
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11 9 006 See: Tools and Equipment/11 9 000 Cylinder Head Expander Tool
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11 9 007 See: Tools and Equipment/11 9 000 Cylinder Head Expander Tool
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11 9 017 See: Tools and Equipment/11 9 000 Cylinder Head Expander Tool
Necessary preliminary tasks:
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Remove cylinder head See: Service and Repair/Removal and Replacement.
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Remove exhaust camshaft See: Camshaft, Lifters and Push Rods/Camshaft/Service and Repair/Removing and Installing/Replacing Exhaust
Camshaft.
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Remove intermediate lever See: Actuators and Solenoids - Engine/Variable Valve Timing Actuator/Service and Repair/Removing and
Installing/Replacing Intermediate Lever.
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Remove inlet camshaft See: Camshaft, Lifters and Push Rods/Camshaft/Service and Repair/Removing and Installing/Replacing Inlet Camshaft.
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Remove roller cam follower See: Rocker Arm Assembly/Service and Repair.
Place cylinder head (1) on special tool 11 9 000 See: Tools and Equipment/11 9 000 Cylinder Head Expander Tool.