Disassembly / Assembly

TIGHTENING TORQUES FOR THE ENGINE
Crankshaft/Crankcase
Connecting Rod Bolt (Identification: 14) (M9 x 1.25)
First Stage 30 Nm (22 ft lb)
Final Stage Turn 90° ±2 ° rotating angle
Final Check (refer to note below)

NOTE: Scribe a mark across knurled bolt and rod, then using a torque wrench, tighten to 60 Nm, if knurled bolt moves or torque cannot be reached replace entire connecting rod assembly

Oil Pump (M8) 23 Nm (17 ft lb)
Crankcase Bolt Connection (through bolts) (M10 x 1.25) 50 Nm (37 ft lb)
Hexagon Head Nuts or Bolts to Crankcase (M8) 23 Nm (17 ft lb)
Double Mass Flywheel to Crankshaft (M10 x 1.25 x 70) 85 Nm (63 ft lb)

NOTE: Refer to the Crankcase Assembly, Disassembly/Assembly procedure for proper tightening sequence.

Drive Plate to Crankshaft (Tiptronic) 90 Nm (66 ft lb)
V-Belt Pulley to Crankshaft (M14 x 1.50 170 Nm (125 ft lb)
Plug - Pressure Relief and Safety Valve (M18 x 1.5) 60 Nm (44 ft lb)
Oil Drain Plug
For Crankcase (M20 x 1.5) 50 + 5 Nm (37 + 4 ft lb)
For Thermostat Housing (M20 x 1.5) 50 + 5 Nm (37 + 4 ft lb)
Screw-In Neck in Left-Hand Crankcase Section
Oil Return To Oil Tank (M22 x 1.5) 70 Nm (52 ft lb)
Screw-In Flange in Right-Hand Crankcase Section
Oil feed To Oil Pump (M24 x 1.5) 90 Nm (66 ft lb)

Cylinder and Cylinder Head

Cylinder Head Tightening (Part 1 Of 2):

Cylinder Head Tightening (Part 2 Of 2):

Cylinder Head Bolts:
First Stage 20 Nm (15 ft lb)
Final Stage Turn 90 ° ± 2 ° rotating angle
Camshaft Housing/Cylinder Heads (M8) 23 Nm (17 ft lb)
Knock Sensor Bridge to Cylinder Bank (M6) 9.7 Nm (7 ft lb)
Knock Sensor to Knock Sensor Bridge 20 ±5 Nm (15 ±4 ft lb)
Engine - NTC to Cylinder Head 3
10 to 12 with a max. of 15 Nm (7 to 9 with a max. of 11 ft lb)
Rocker Arm Shafts (M6 x 35) 13 Nm (9 ft lb)
Spark Plugs (M14 x 1.25) 30 Nm (22 ft lb)

Timing Gear
Sprocket to Camshaft (M12 x 1.5) 120 Nm (88 ft lb)
Chain Sprocket to Camshaft (4-hole chain sprocket)
1st Step 20 Nm (15 ft lb)
2nd Step 90 ° rotation
Gear/Power Steering Pump to Camshaft 120 Nm (88 ft lb)
Slider And Tensioning Rail Stud To Crankcase 30 Nm (22 ft lb)
Chain Housing to Crankcase 23 Nm (17 ft lb)
Chain Housing Cover 9.7 Nm (7 ft lb)
Valve Cover to Camshaft Housing (M6) 9.7 Nm (7 ft lb)
Bearing Saddle/Chain Housing 9.7 Nm (7 ft lb)

Fan
Tensioning Strap 8 Nm (6 ft lb)
Alternator Pulley 50 ±5 Nm (37 ±4 ft lb)
Pulley Section/Idler (M6) 9.7 Nm (7 ft lb)
Fan Wheel for Alternator Cooling 14 ±1 Nm (10 ±0.7 ft lb)

Exhaust System
Heat Exchanger/Cylinder Head 28 Nm (21 ft lb)
Heat Exchanger/Catalytic Converter to Front Muffler 23 Nm (17 ft lb)
Catalytic Converter Final Muffler (ball clamp) 25 to 30 Nm (18 to 22 ft lb)
Final Muffler/Tailpipe (ball clamp) 25 to 30 Nm (18 to 22 ft lb)
Tensioning Strap to Catalytic Converter to Front Muffler 20 Nm (15 ft lb)
Tensioning Strap/Final Muffler 20 Nm (15 ft lb)
Oxygen Sensor (M18 x 1.5) 50 to 60 Nm (37 to 44 ft lb)
Plug to Catalytic Converter (M8 x 1) 15 Nm (11 ft lb)
Air Injection Lines 25 Nm (18 ft lb)

Belt Monitor
Bracket to Crankcase (M6) 15 to 20 Nm (11 to 15 ft lb)
Belt Monitor to Bracket (M6) 9.7 Nm (7 ft lb)

Fuel System
Tank Sender Unit 30-3 Nm (22-2 ft lb)
Intake Manifold (M6 x 20) 9.7 Nm (7 ft lb)

Clutch Double-Mass Flywheel (Manufactured by Luk)
Double-Mass Flywheel to Crankshaft (M10 x 1.25 x 70) 85 Nm (63 ft lb)
Pressure Plate (M8 x 40) 23 Nm (17 ft lb)