adjusters (n20, n26) [rep-rep-raf1011n20-1136046] …...adjusters (n20, n26)...

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8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve… https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 1/8 2013 BMW 528i xDrive Sedan AWD (F10) L4-2.0L Turbo (N20) Vehicle > Powertrain Management > Computers and Control Systems > Variable Valve Timing Actuator > Service and Repair > Removal and Replacement REMOVING AND INSTALLING/REPLACING INTAKE AND EXHAUST CAMSHAFT ADJUSTERS (N20, N26) [REP-REP-RAF1011N20-1136046] Removing and installing/replacing intake and adjusters (N20, N26) exhaust camshaft REP-REP-RAF1011N20-1136046 11 36 046 Removing and installing/replacing intake and exhaust s (N20, N26) camshaft adjuster Special tools required: 83 30 2 212 831 11 4 480 83 30 0 495 105 83 30 2 212 830 11 9 340 00 9 250 00 9 460 Necessary preliminary tasks: Remove . cylinder head cover Check . timing Remove . both pulse sensors for camshafts Important! To release the central bolt, screw connection (7) on the exhaust is necessary. camshaft

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  • 8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve…

    https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 1/8

    2013 BMW 528i xDrive Sedan AWD (F10) L4-2.0L Turbo (N20)Vehicle > Powertrain Management > Computers and Control Systems > Variable Valve Timing Actuator > Service andRepair > Removal and Replacement

    REMOVING AND INSTALLING/REPLACING INTAKE AND EXHAUST CAMSHAFTADJUSTERS (N20, N26) [REP-REP-RAF1011N20-1136046]

    Removing and installing/replacing intake and adjusters (N20, N26)exhaust camshaftREP-REP-RAF1011N20-1136046

    11 36 046 Removing and installing/replacing intake and exhaust s (N20, N26)camshaft adjuster

    Special tools required:

    83 30 2 212 831

    11 4 480

    83 30 0 495 105

    83 30 2 212 830

    11 9 340

    00 9 250

    00 9 460

    Necessary preliminary tasks:

    Remove .cylinder head cover

    Check .timing

    Remove .

    both pulse sensors forcamshafts

    Important!To release the central bolt, screw connection(7) on the exhaust is necessary.camshaft

  • 8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve…

    https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 2/8

    Important!To release the central bolt, screw connection(5) on the is necessary.intake camshaft

    Important!Use only special tool (1) to release central boltof the unit.VANOS

    Order number:83 30 2 212 831

    Release central bolt (1) of the exhaust camshaftadjuster.

  • 8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve…

    https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 3/8

    Release central bolt (1) of the intake adjuster.

    Release screws (1).

    Tightening torque:

    11 65 4AZ. TypeThread

    Tighteningspecifications

    Dimension

    4AZ Vacuum unit () on exhaust

     (N20).

    wastegatevalveturbocharger

    Electric on exhaust

    turbocharger (N20/N26).

    wastegateactuator

    N20 /N26

    M820Nm

  • 8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve…

    https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 4/8

    Release  (2).chain tensioner

    Tightening torque:

    11 31 7AZ TypeThread

    Tighteningspecifications

    Dimension

    7AZ Chaintensioner tocylinderhead

    N20 /N26

    M22M22x 1.5

    Do notretightenthe chaintensioner.

    Replacesealing ring,threadlightly oiled.

    80Nm

    Important!Have a cleaning cloth ready. A small quantity ofengine oil will escape after the screwconnection has been released.

    Make sure no engine oil runs onto belt drive.

    Installation note:Replace sealing ring.

    Remove VANOS solenoid valve (1) of the exhaustside.

    Remove pulse sensor wheel (2) of the exhaust sideand set down on special tool in neat order.11 4 480

    Order number:83 30 0 495 105

  • 8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve…

    https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 5/8

    Slightly lift  (2) and remove exhaustcamshaft adjuster (1) from exhaust camshaft.

    timing chain

    Slightly tilt exhaust camshaft adjuster (1) and removeupward.

    Remove VANOS valve (1) of the intake side.solenoid

    Remove pulse sensor wheel (2) of the intake side andset down on special tool in neat order.11 4 480

    Slightly lift timing chain (2) and remove intakeadjuster (1) from intake camshaft.

    Slightly tilt intake adjuster (1) and remove upward.

    Important!Risk of mixing up the intake and exhaustcamshaft adjusters.

    Danger of engine damage!

  • 8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve…

    https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 6/8

    Intake and exhaust camshaft adjusters are different.

    VANOS is marked with EX for the exhaust camshaft.

    VANOS is marked with IN for the intake camshaft.

    Installation note:The wheel be optionallyinstalled.

    camshaft sensor can

    Turn camshaft sensor wheel until the retaining pins(1 and 2) match up on the special tool.

    Move retaining pins (1 and 2) in direction of arrow.

    Order number:83 30 2 212 830

    Secure special tool (1) with bolts.

    Move central bolts (2 and 3) to the adjuster units tothe system.

    Order number:83 30 2 212 830

  • 8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve…

    https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 7/8

    Screw special tool into cylinder head.11 9 340

    Timing chain with special tool and or to

    11 9 340 00 9 25000 9 460

    pretension.0.6 Nm

    Secure central bolt (1) of intake adjuster with specialtool.

    Tightening torque:

    11 36 1AZ Type ThreadTightening specifications

    Dimension

    1AZ

    control(VANOS)with sensorgear to Eandexhaust

    variablecamshafttiming

    camshafts

    N20 /N26

    M14x1.25Renewscrew

    Jointingtorque

    55Nm

    Angle ofrotation 55°

  • 8/9/2020 Removing and Installing/Replacing Intake and Exhaust Camshaft Adjusters (N20, N26) [REP-REP-RAF1011N20-1136046] (Variable Valve…

    https://my.alldata.com/repair/#/repair/article/52440/component/1186/itype/401/nonstandard/1103193/selfRefLink/false 8/8

    Secure central bolt (1) of the exhaust camshaftadjuster with special tool.

    Tightening torque:

    11 36 1AZ Type ThreadTightening specifications

    Dimension

    1AZ variablecamshafttimingcontrol(VANOS)with sensorgear to Eandexhaustcamshafts

    N20 /N26

    M14x1.25Renewscrew

    Jointingtorque

    55Nm

    Angle ofrotation 55°

    Remove all special tools.

    Install .chain tensioner

    Rev engine on the central bolt twice in the directionof engine rotation and verify .timing

    Assemble engine.