996 Carrera Group 1 – Part 2 Engine / PAGE 123
15 37 19 Removing and installing solenoid hydraulic valve · Preliminary work: Removing and installing camshafts -engine remov
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911 Carrera (996) Engine -Cylinder head, valve drive
15 37 19 Removing and installing solenoid hydraulic valve
Preliminary work: Removing and installing camshafts -engine removed
Servo No. 150519
Removal
1. Removesolenoidhydraulicvalve.
Note
Install the solenoid valve only if the VarioCam
tensioning element is vertical. Correct seating
of the compression spring (No.4) is no longer
ensured if the solenoid hydraulic valve is
installed horizontally(installationposition
of engine).
2. Undo self-tapping screws (Torx T 20) No.1
Note
Mark a threaded screw and threaded bore
for reinstallation:
3. Removesolenoid valve. Leave valve plunger
and compression spring in installationposition
Installation
1. Fit new solenoid valve. Screw in threaded
screws by hand. The thread cut when the 331_98
screw was screwed in for the first time
1. Self-tappingscrews must be found again.
Tighteningtorque 3.7 + 0.15 Nm
2. Solenoidhydraulicvalve (2.7 + 0.10 ftlb.)
3. Valve plunger
4. Compressionspring
5. VarioCamtensioner
6. Tension screw
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