Bearing Bracket, Removing And Installing, Engine With Two Camshaft Adjusters: Removing
Preliminary work may be required depending on the model. Refer to BEARING BRACKET, REMOVING AND INSTALLING .
-- If not already removed, remove the noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING .
-- Remove the upper timing chain cover. Refer to TIMING CHAIN COVER, REMOVING AND INSTALLING, ENGINE WITH TWO CAMSHAFT ADJUSTERS .
- Pay attention to the direction of rotation: the control valves have left-hand threads - risk of damaging the threads.
Depending on the version of the control valve use one of the tools listed:
- : T10352B
- : T10352/1A
- : T10352/2
- : T10352/3
- : T10352/4
-- Remove the left and right control valve in direction of -arrow-.
-- To do so, use the : T40263 , : T40314 and 24mm socket to counterhold the crankshaft at the vibration damper.
-- Remove the bolts -arrows-.
- Carefully remove the bearing bracket without tilting - risk of damage.
-- Remove the bearing mount.
-- Remove the plug -arrow-.
-- Remove the bolts -arrows-.
-- Remove the bolt -arrow-.
-- Install the : T40243 on the cylinder head -arrows lower-.
- A second technician is required for the following steps.
-- Press the chain tensioner circlip -1- together and hold it.
-- Slowly press and hold the : T40243 in direction of -arrow-.
- This will push back the chain tensioner.
TIP:
The chain tensioner is lubricated with oil and can only be pushed back slowly by applying constant pressure.
-- Lock the chain tensioner with the : T40267 .
-- Remove the : T40243 .