ADJUSTERS (N20, N26) [REP-REP-RAF1011N20-1136046] …...ADJUSTERS (N20, N26)...
Transcript of 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 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
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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 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.
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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 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
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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 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
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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 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!
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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 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
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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 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°
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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 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.