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Camshaft Timing Chain 117-1VANOS units, removing and installing (N12, N16, N18 engin
Intake camshaft VANOS solenoid valve:
Disconnect electrical connector (A).
Remove fastener (B).
Remove solenoid valve (C). If necessary, valves can be rotated
cylinder head to aid in removal and installation.
Exhaust camshaft VANOS solenoid valve:
Disconnect electrical connector.
Remove fastener (A).
Remove solenoid valve (B). If necessary, valves can be rotated
cylinder head to aid in removal and installation.
Installation is the reverse of removal, making sure of the followin Replace O-ring and coat lightly with oil.
Ensure valves are clean and free of dirt.
VANOS units, removing and installing(N12, N16, N18 engine)
Engine timing is adjusted when pistons are locked in 90 positio
This is an updated procedure that eliminates using top dead cen
(TDC) when setting camshaft and crankshaft correlation.
Special tools and procedures are required to remove and install
VANOS units and to time camshafts.
Check camshaft timing. See Camshaft timing, adjustingin thirepair group.
Tightening torque
VANOS solenoid to cylinder head
(replace sealing O-ring)
9 Nm (7 ft
WARNING
To avoid personal injury, be sure engine is cold before
beginning the procedure.
CAUTION
Disassembly, removal and assembly of camshafts or VANOS
units without special tools poses the risk of damage: Valves
may be bent by contact with the piston crowns.
Throughout this procedure, unless otherwise specified,
crankshaft and camshafts remain locked against rotation usin
MINI special tools.
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117-20 Camshaft Timing ChainVANOS units, removing and installing (N12, N16, N18 engine)
VANOS units, removing
Switch ignition OFF and remove key.
Disconnect negative () cable from battery.
Raise vehicle and support safely.
Remove ignition coil cover. See020 Maintenance.
Remove spark plugs. See020 Maintenance.
Remove cylinder head cover. See 113 Cylinder Head Removaland Installation.
Using MINI special tool 11 9 590, secure crankshaft in 90 piston
position. Tool remains in place during entire repair process.
Remove fasteners (A), then remove timing chain slide rail (arrow).
CAUTION Prior to disconnecting the battery, read the battery
disconnection cautions in 001 Warnings and Cautions.
WARNING
Make sure vehicle is stable and well supported at all times. Use
a professional automotive lift or jack stands. A floor jack is not
adequate support.
CAUTION
Holes used to balance engine and for aligning engine can be
mixed up. Verify engine is in 90 position by viewing piston
position through spark plug hole.
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Camshaft Timing Chain 117-2VANOS units, removing and installing (N12, N16, N18 engin
N12, N16 engine: Using MINI special tool 11 9 540, lock camsha
in 90 piston position. Tighten down tool with supplied fasteners (
Tool remains in place during entire repair process.
N18 engine: Using MINI special tool 11 7 440, lock camshafts i
90 piston position. Secure with supplied fasteners (A). Tool rema
in place during entire repair process
Remove timing chain tensioner (A). Be prepared to catch any
dripping oil in a shop towel.
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117-22 Camshaft Timing ChainVANOS units, removing and installing (N12, N16, N18 engine)
Working at right side front of cylinder head, remove timing chain
guide rail bearing bolt (arrow).
Working at front of camshafts:
Loosen and remove exhaust and intake VANOS unit mountingfasteners (arrows). Discard fasteners.
Disengage timing chain from camshaft adjustment unit sprockets
Remove intake VANOS unit (A).
Remove exhaust VANOS unit (B).
VANOS units can be mixed up. Check markings prior to installation.
Intake VANOS unit marked IN.
Exhaust VANOS unit marked EX.
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Camshaft Timing Chain 117-2VANOS units, removing and installing (N12, N16, N18 engin
VANOS units, installing
Use new bolt (A) to reattach exhaust VANOS unit (B). VANOS u
may be installed in any position initially. Finger-tighten mounting
bolts for now.
Install timing chain on exhaust VANOS unit (B).
Use new bolt (A) to reattach intake VANOS unit (B). VANOS unmay be installed in any position initially. Finger-tighten mounting
bolts (A, C) for now.
Install timing chain on intake VANOS unit
Install timing chain slide rail (arrow) and torque fasteners (A).
Tightening torque
Timing chain guide rail to cylinder head
M8 (replace seal) 20 Nm (14.7 ft
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117-24 Camshaft Timing ChainVANOS units, removing and installing (N12, N16, N18 engine)
Install MINI special tool 11 9 340in timing chain tensioner mounting
hole and pretension timing chain to 0.6 Nm (5.3 in-lb).
Using a torque wrench and angle protractor, torque intake VANOS
unit fastener (A).
Using a torque wrench and angle protractor, torque exhaust VANOS
unit fastener (A).
Remove dummy tensioner and install timing chain tensioner. Usenew seal.
Check camshaft timing. See Camshaft timing, adjustingin thisrepair group.
Reassemble engine.
Tightening torque
VANOS unit to camshaft (use new fastener)
Stage 1
Stage 2
20 Nm (15 ft-lb)
additional 180
Tightening torque
VANOS unit to camshaft (use new fastener)
Stage 1
Stage 2
20 Nm (15 ft-lb)
additional 180
Tightening torque
Timing chain tensioner to cylinder head
M22 x 1.5 (replace seal) 65 Nm (48 ft-lb)
CAUTION
Be sure to remove crankshaft and camshaft locking tools before
rotating or starting engine.
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established 1950
Automotive Reference
Bentley Publishers, 1734 Massachusetts Avenue, Cambridge, MA 02138-1804 USATel: 617-547-4170 Toll Free: 800-423-4595 Fax: 617-876-9235
http://www.bentleypublishers.com/contact-us
MINI Cooper (R55, R56, R57)
Service Manual: 2007-2013Cooper, Cooper S, John Cooper Works (JSW)
including Clubman and Convertible
Price: $139.95Bentley Stock Number: BM13Publication Date: 2014.10.01ISBN: 978-0-8376-1730-5Hardcover, 8 3/8 in. x 11 in.Case quantity: 51064 pages, 1845 photos, illustrations and diagramsIncludes color MINI Cooper familiarization section
The MINI Cooper Service Manual: 2007-2013is a comprehensive source
of service information and specifications for MINI Cooper models from2007 to 2013 (Mk II). The aim throughout this manual has beensimplicity, clarity and completeness, with practical explanations,step-by-step procedures and accurate specifications. Whether youre aprofessional or a do-it-yourself MINI owner, this manual will help youunderstand, care for and repair your car.
Features:
Procedures for everything from changing the ATF to replacing a dirtycabin microfilter and resetting the CBS (condition based service)system. This manual tells you what to do and how and when to do it.
Engine and cylinder head service with variable camshaft timing(VANOS) setup and adjustment, including Valvetronic service on N12,N16, and N18 engines.
Driveability troubleshooting and detailed repair information for theSiemens DME Engine Management Systems.
Turbocharger and intercooler information, including componentremoval and replacement (Cooper S, JCW).
Drivetrain maintenance, including troubleshooting, adjustment andrepair of clutch, gearshift linkage and drive axles.
Suspension repairs, including strut and control arm replacementprocedures.
Manual and automatic transmission removal, installation,seal replacement and external service.
System repair information for antilock brakes (ABS), automaticstability control (ASC) and dynamic stability control (DSC).
Heating and air conditioning repair (IHKS / IHKA), includingcomponent replacement.
Body adjustments and repairs for sunroof and convertible, includingresetting of the rollover protection system. Electrical system service, including an easy to use electrical
component section with detailed illustrations and photos. Comprehensive wiring schematics, including fuses and grounds. MINI OBD II diagnostic trouble codes, SAE-dened and OBD II
P-Codes, as well as basic scan tool information and OBD IIDiagnostic Trouble Codes (DTCs).
MINI factory tolerances, wear limits, adjustments, and tighteningtorques.
Models & engines covered:
Cooper: 1.6 liter normally aspirated engine (engine codes N12, N16)Cooper S: 1.6 liter supercharged engine (engine codes N14, N18)
Transmissions covered:
Manual: 6-speed Getrag (GS6-55BG for Cooper,GS6-53BG for Cooper S)
Automatic: 6-speed with Agitronic, Aisin (GA6F21WA)
Step-by-step instructions forresetting CBS service items.020 Maintenance
High pressure fuel system servicon turbo engine, including replacHP fuel pump.160 Fuel Tank and Fuel Pum
BentleyPublishers.com
bentley_bm13_new.product.announceme
Detailed engine service,including VANOS camshafttiming adjustment.117 Camshaft Timing Chain