Installing Cover For Camshaft Housing
Installing cover for camshaft housingTools
Tools and materials
Special tools
Recommended Special Tools:
Tool Height:
Note: It is best to use a tool that has an head height of less than 50 mm -A- (see special tools) to loosen and tighten the rear fastening screw of the cylinder head cover close to the plenum panel.
Information
Component overview
Camshaft Housing Lid Overview:
Installing cover for camshaft housing on cylinder bank 1-4
ATTENTION: Risk of damage to the position sensor on the camshaft's trigger wheel!
^ The trigger wheel can be damaged when the cover of the camshaft housing is moved.
^ Ignition faulty.
^ Engine damage.
--> Move the camshaft housing lid carefully.
--> Carefully watch the trigger wheel when removing or fitting the cover of the camshaft housing.
Note: The cover for the camshaft housing is removed and installed in the same way on cylinder bank 5-8 and cylinder bank 1-4!
Camshaft Housing Lid And Cylinder Head:
Note: Always replace inner and outer seal for camshaft housing!
1. Thoroughly clean sealing faces on the camshaft housing lid and cylinder head.
Camshaft Housing Lid:
Sealant Beads On Both Sides:
2. Insert inner and outer seal in camshaft housing lid and apply a bead of Drei Bond sealant to the lining between the cylinder head and timing chain cover on both sides.
Note: If the camshaft housing cover is not fitted carefully, it can cause the trigger wheel on the position sensor at the rear on the camshaft to be bent out of shape!
3. Position the camshaft housing lid carefully; do not bend the trigger wheel of the position sensor on the camshaft when doing so.
Inserting Ignition Rod Modules:
4. Insert all ignition rod modules aligned in the corresponding camshaft housing lid.
Sealing Lip With Assembly Sleeve:
5. Using the assembly sleeve 9701, press the sealing lip of the hydraulic valve over the hydraulic valve and align it.
Tool Height:
Note: It is best to use a tool that has an addendum of less than 50 mm -A- (see special tool) to tighten the rear fastening screw on the cylinder head cover close to the plenum panel.
Cylinder Head Cover - Cylinder Bank 1 To 4:
Cylinder Head Cover - Cylinder Bank 5 To 8:
6. Position all fastening screws and tighten them in accordance with the correct tightening sequence Tightening torque 9.5 ft. lbs.. see figures for both cylinder banks-. Screws -2 and 3, cylinder bank 1 to 4- are inserted later with the torque support bracket.
Wiring Harness:
7. Fit wiring harness to sheetmetal holders on the camshaft housing lid.
Wiring Harness Holder:
8. Fit wiring harness holder with new plastic clips. To do this, simply press on the wiring harness holder.
Cable Plug:
9. Connect the cable plug for the hydraulic valve and fit the cap.
10. Attach plug connection for the positive crankcase ventilation to the flange on the camshaft housing lid.
11. Tighten the ignition coils. Tightening torque 7.5 ft. lbs..
Ignition Coil:
12. Connect ignition coil. To do this, push on the connector until it locks with an audible click.
Fastening Screws On Bracket For Torque Support:
13. Install bracket for torque support. Tighten the M8 x 45 Torx screws at the top screw points. Tightening torque 17 ft. lbs. Tighten the M6 x 40 screws at the bottom screw fastening points (middle of valve cover). Tightening torque 9.5 ft. lbs..
Subsequent work
Subsequent work
1. Install ignition coils (ignition rod modules).
2. Install secondary air pump with console.
3. Install engine cover.