Special Features And Component Deviations - V6

Information 

Please note the following for the V6 => 

• The repair concepts for the V6 are the same as for the V8.
• The special features and component deviations are listed and shown in

  > 1001IN TIGHTENING TORQUES, TIGHTENING SEQUENCES AND ASSEMBLY OVERVIEWS 

• More significant deviations are shown in separate descriptions.
• If no special features are specifically highlighted, the assembly and adjustment instructions for the V8 apply.

Upper part of crankcase

1	Upper part of crankcase
2	Cover
3	Sealing ring
4	Screw plug for upper cart of crankcase > Tightening torque 30 Nm (22 ftlb.)  and > Torque angle 60°
5	Dowel sleeve
6	Oil spray jet
7	Screw. M6 x 16 > Tightening torque 10 Nm (7.5 ftlb.)

Lower part of crankcase, 4WD

1	Lower part of crankcase
2	Straight pin, 6 x 18
3	Dowel sleeve
4	Seal
5	Joint flange
6	Screw, M6 x 20 > Tightening torque 13 Nm (9.5 ftlb.)
7	Screw, M8 x 35 > Tightening torque 23 Nm (17 ftlb.)
8	Screw, M8 x 50 > Tightening torque 23 Nm (17 ftlb.)
9	Sealing rings for joint flange/cross tube
10	Cross tube for all-wheel drive cross shaft
11	Aluminium screw  , M8 x 70; (cross bolt connection); always use new aluminium screws; > Initial tightening 10 Nm (7.5 ftlb.)  and > Final tightening 90°
12	Thrust-bearing screw. M10; tighten screws within 5 minutes; observe specified tightening sequence! > Initial tightening 22 Nm (16 ftlb.)  > Torque angle 60°  Information  The main bearing screws (4WD) for the fourth main bearing (feeding through all-wheel cross tube) are shorter than those for the 2WD engine.  Do not confuse main bearing screws!
13	Thrust-bearing screw, M11; tighten screws within 5 minutes; observe specified tightening sequence! > Initial tightening 30 Nm (22 ftlb.)  > Torque angle 90°  Information  The main bearing screws (4WD) for the fourth main bearing (feeding through all-wheel cross tube) are shorter than those for the 2WD engine.  Do not confuse main bearing screws!
14	Sealing ring
-	Sealant application - Doboseal 224N (999.915.573.43, status 09/08)

Lower part of crankcase, 2WD

1	Lower part of crankcase
2	Straight pin, 6 x 18
3	Sealing ring
4	Sealant application - Doboseal 224N (999.915.573.43, status 09/08)
5	Thrust-bearing screw. M11; tighten screws within 5 minutes; observe specified tightening sequence! > Initial tightening 30 Nm (22 ftlb.)  > Torque angle 90°  Information  The main bearing screws (4WD) for the fourth main bearing (feeding through all-wheel cross tube) are shorter than those for the 2WD engine.  Do not confuse main bearing screws!
6	Thrust-bearing screw. M10; tighten screws within 5 minutes; observe specified tightening sequence! > Initial tightening 22 Nm (16 ftlb.)  > Torque angle 60°  Information  The main bearing screws (4WD) for the fourth main bearing (feeding through all-wheel cross tube) are shorter than those for the 2WD engine.  Do not confuse main bearing screws!
7	Aluminium screw,  M8 x 70; (cross bolt connection); always use new aluminium screws; > Initial tightening 10 Nm (7.5 ftlb.)  and > Final tightening 90°
8	Screw, M8 x 35 > Tightening torque 23 Nm (17 ftlb.)
9	Screw. M8 x 50 > Tightening torque 23 Nm (17 ftlb.)
10	Dowel sleeve

Tightening sequence for crankcase

1 to 16	Tightening sequence for M11 and M10 screws => Observe different torques!
	Tightening sequence for securing lower part of crankcase to upper part of crankcase (M8 cross bolt connection) - start at the centre and tighten uniformly in diagonally opposite sequence

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Applying sealant to lower part of crankcase

1	Apply Doboseal 224N sealant (999.915.573.43, status 09/08); wipe off sealant residue following fitting

Bracket, 2WD

1	Bracket for auxiliary units
2	Screw, M10 x 45 > Tightening torque 65 Nm (48 ftlb.)
3	Dowel sleeve
4	Hydraulic mount, left
5	Nut, M12 > Tightening torque 120 Nm (89 ftlb.)

Bracket, 4WD

1	Bracket for auxiliary units
2	Screw, M10 x 45 > Tightening torque 65 Nm (48 ftlb.)
3	Dowel sleeve
4	Hydraulic mount, left
5	Nut, M12 > Tightening torque 120 Nm (89 ftlb.)

Bracket for engine mount

1	Engine carrier
2	Screw. M10x 45 > Tightening torque 65 Nm (48 ftlb.)
3	Nut, M12 x 1.5 > Tightening torque 120 Nm (89 ftlb.)
4	Hydraulic mount, right

Oil mist separator

1	Engine ventilation/oil mist separator
2	Moulded seal
3	Moulded seal
-	Screw elements, M6 (permanently secured in oil mist separator) > Tightening torque 10 Nm (7.5 ftlb.)

Ventilation

1	Engine ventilation line
2	Line for oil mist separator to intake-air distributor
3	Aluminium holder
4	Tank ventilation
5	Aluminium screw (holder); see Timing-case cover

Crankshaft mount sealing ring

1	Crankshaft
2	Straight pin, 6 x 20
3	Spring, 5 x 6.5
4	Thrust washer (grooves facing out)
5	Main bearing shell, upper
6	Main bearing shell, lower
7	Shaft sealing ring => Do not touch sealing ring lip! Clean crankshaft flange and oil lightly
-	Crankshaft bearing classification (four types) G  Yellow; B  Blue, R  Red; N  Green => (example: GGGG-BBB; 4 main shaft bearings with yellow marking, 3 double (6) connecting rod bearings with blue marking) => For numbering, see flywheel flange
-	Direction of travel (main bearing 1 is the first in direction of travel against output)

Auxiliary units

1	Air-conditioning compressor
2	Screw, M10 x 100 > Tightening torque 46 Nm (34 ftlb.)
3	Screw, M8 x 100 > Tightening torque 23 Nm (17 ftlb.)
4	Screw, M8 x 20; tandem pump to bracket for auxiliary units > Tightening torque 23 Nm (17 ftlb.)  ; power-steering pump to bracket for auxiliary units > Tightening torque 23 Nm (17 ftlb.)
5	Tandem pump
6	Screw, M8 x 35; power-steering pump to adapter bracket > Tightening torque 23 (1 7 ftlb.) Nm  ; tandem pump/adapter bracket to bracket for auxiliary units > Tightening torque 23 Nm (17 ftlb.)
7	Power-steering pump
8	Aluminium screw  , M8; always use new aluminium screws > Initial tightening 10 Nm (7.5 ftlb.)  and > Final tightening 90°
9	Support bracket made of magnesium
10	Dowel sleeve

Vibration balancer pulleys

1	Water pump pulley
2	Screw, M8 x 16 > Tightening torque 23 Nm (17 ftlb.)
3	Vibration damper
4	Screw, M18 x 1.5 x 72; use new screw; > Tightening torque 20 Nm (15 ftlb.)  and > Tightening torque 50 Nm (37 ftlb.)  and > Tightening torque 100 Nm (74 ftlb.)  and > Torque angle 180°
5	Power-steering pump pulley
6	Screw, M8 x 16 > Tightening torque 23 Nm (17 ftlb.)
7	Tandem pump pulley

Belt drive

1	Deflection roller > Tightening torque 32 Nm (24 ftlb.)
2	Hydraulic belt tensioner; tensioner to lever > Tightening torque 32 Nm (24 ftlb.)  ; tensioning roller to tensioning lever > Tightening torque 32 Nm (24 ftlb.)
3	Screw, M8 x 96; complete lever to timing-case cover and cylinder head > Tightening torque 32 Nm (24 ftlb.)  ; belt tensioner and timing-case cover to bracket > Tightening torque 32 Nm (24 ftlb.)
4	Deflection roller > Tightening torque 32 Nm (24 ftlb.)
5	Dual poly V-belt

Timing-case cover - chain tensioner sealing flange

1	Joint flange foil sealing lip with engine oil); align with sleeve or vibration balancer/replace
2	Aluminium screw  , M6 x 55; always use new aluminium screws; > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°
3	Aluminium screw  M6 x 20; always use new aluminium screws; > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°
4	Chain tensioner (Do not confuse V6 chain tensioner with V8 chain tensioner  , colour of V6 chain tensioner is different to the V8 chain tensioner) > Tightening torque 60 Nm (44 ftlb.)  and sealing ring; always replace sealing ring

Cylinder head 1 to 3

-	Cylinder head 1 to 3
1	Spark plug; when re-installed > Tightening torque 25 Nm (19 ftlb.)  ; if fitting new spark plugs > Tightening torque 30 Nm (22 ftlb.)  Electrode gap of spark plug FGR5NQE > Control value 1.6 mm +/- 0.05 mm  Electrode gap of spark plug FR6NPP > Control value 0.7 mm + 0.1 mm
2	Cylinder-head gasket 1 to 3
3	Screw, M8 > Tightening torque 23 Nm (17 ftlb.)
4	Cover
5	Stopper
6	Stopper
7	Restrictor for valve lift adjustment > Tightening torque 2 Nm (1.5 ftlb.)
8	Cylinder head screws => For tightening specifications, see Tightening sequence for cylinder head

Cylinder head 4 to 6

1	Cylinder head 4 to 6
2	Screw plug > Tightening torque 5 Nm (3.5 ftlb.)
3	Spark plug; when re-installed > Tightening torque 25 Nm (19 ftlb.)  ; if fitting new spark plugs > Tightening torque 30 Nm (22 ftlb.)  Electrode gap of spark plug FGR5NQE > Control value 1.6 mm +/- 0.05 mm  Electrode gap of spark plug FR6NPP > Control value 0.7 mm + 0.1 mm
4	Cylinder-head gasket 4 to 6
5	Stopper
6	Restrictor for valve lift adjustment > Tightening torque 2 Nm (1.5 ftlb.)
7	Stopper
8	Cover
9	Cylinder head screws => For tightening specifications, see Tightening sequence for cylinder head

Tightening sequence for cylinder head

1 to 8

1st initial tightening > Tightening torque 30 Nm (22 ftlb.)  ; 2nd initial tightening > Tightening torque 50 Nm (37 ftlb.)  ; loosen by 2 turns > Torque angle 720°  ; 1st turn > Tightening torque 30 Nm (22 ftlb.)  ; 2nd turn > Tightening torque 30 Nm (22 ftlb.)  ; 3rd turn and final tightening (torque angle) > Torque angle 110°

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Marking on camshaft housing, cylinders 1 to 3

All markings can be read from the exhaust side/main diagram applies symmetrically for both cylinder heads
1	Matching number for cylinder head/intake camshaft housing, cylinder 1 [E1]
2	Matching number for cylinder head/intake camshaft housing, cylinder 2 [E2]
3	Matching number for cylinder head/intake camshaft housing, cylinder 3 [E3]
4	Matching number for cylinder head/outlet camshaft housing, cylinder 1 [A1]
5	Matching number for cylinder head/outlet camshaft housing, cylinder 2 [A2]
6	Matching number for cylinder head/outlet camshaft housing, cylinder 3 [A3]
arrow	Direction of travel

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Marking camshafts

1-3	Cylinders 1 to 3
4-6	Cylinders 4 to 6
-	Outlet camshaft identification [green]
-	Intake camshaft identification [white]
arrow	Direction of travel

Cylinder head camshafts, cylinders 1 to 3

1	Camshaft (outlet)
2	Camshaft (intake)
3	Hydraulic valve for variable valve lift control
4	Screw, M5 x 12 > Tightening torque 6 Nm (4.5 ftlb.)
5	Switching tappet (oil with engine oil)
6	Bucket tappet (oil with engine oil)
8	Mounting saddle 1 to 3
9	Stopper
-	Bearing locations (oil with engine oil)

Camshaft mount, cylinder bank 1 to 3

1	Screw, M6 x 35 > Tightening torque 13 Nm (9.5 ftlb.)
2	Bearing cover
3	Dowel sleeve
4	Bearing cover (intake)
5	Bearing cover (outlet)
6	Screw, M6 x 70 > Tightening torque 13 Nm (9.5 ftlb.)
-	Bearing surfaces (oil with engine oil)

Cylinder head camshafts, cylinders 4 to 6

1	Switching tappet [oil with engine oil]
2	Bucket tappet (oil with engine oil)
3	Camshaft (intake)
4	Driver for drive coupling for high-pressure pump
5	Fuse (not functionally relevant if not installed)
6	Hydraulic valve for variable valve lift control
7	Screw, M5 x 12 > Tightening torque 6 Nm (4.5 ftlb.)
8	Camshaft (outlet)
9	Stopper
10	Mounting saddle, cylinders 4 to 6
11	Stopper

Camshaft mount, cylinder bank 4 to 6

1	Dowel sleeves
2	Bearing cover (intake)
3	Screw, M6 x 70 > Tightening torque 13 Nm (9.5 ftlb.)
4	Bearing cover
5	Screw, M6 x 35 > Tightening torque 13 Nm (9.5 ftlb.)
6	Bearing cover (outlet)
-	Bearing surfaces (oil with engine oil)

Guide rail and tensioning rail

1	Threaded peg > Tightening torque 35 Nm (26 ftlb.)
2	Threaded peg > Tightening torque 20 Nm (15 ftlb.)
3	Guide rail
4	Tensioning rail
5	Chain tensioner with sealing ring; always replace sealing ring; do not confuse V6 chain tensioner with V8 chain tensioner  , colour of V6 chain tensioner is different to the V8 chain tensioner > Tightening torque 60 Nm (44 ftlb.)
arrow	Direction of travel

Valve cover seals, fitted on cylinder bank 1 to 3

1	Aluminium Screw  , M6 x 20; hall sender (phase sensor); always use new aluminium screws > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°
2	Hall sender
3	Sealing ring
4	Cylinder-head cover gasket
5	Cylinder-head cover gasket, inner
6	Seal for hydraulic valve for camshaft control
7	Valve cover for cylinders 1 to 4 (align over bar ignition modules)
8	Oil cap

Valve cover seals, fitted on cylinder bank 4 to 6

1	Valve cover for cylinders 4 to 6 (align over bar ignition modules)
2	Hall sender
3	Aluminium Screw,  M6 x 20; hall sender (phase sensor); always use new aluminium screws > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°
4	Sealing ring
5	Cylinder-head cover gasket
6	Cylinder-head cover gasket, inner
7	Seal for hydraulic valve for camshaft control

Valve cover, mounting for cylinder bank 1 to 3

1	Bar ignition module
2	Valve cover for cylinder bank 1 to 3 (align over bar ignition modules)
3	Aluminium Screw,  M6 x 30; always use new aluminium screws; > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°
4	Cap
5	Steel screw  to eyelet > Tightening torque 23 Nm (17 ftlb.)
6	Eyelet
7	Aluminium screw  , M8 x 35 (on torque support); always use new aluminium screws; > Initial tightening 10 Nm (7.5 ftlb.)  and > Final tightening 90° Steel screw  to eyelet. Information  The eyelets must not be inadvertently secured using aluminium screws! => Aluminium screws would break off and the suspended engine would fall down!
8	Aluminium screw, M6 x 20; bar ignition module; always use new aluminium screws; > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°

Valve cover, mounting for cylinder bank 4 to 6

1	Valve cover for cylinder bank 4 to 6 (align over bar ignition modules)
2	Eyelet
3	Steel screw  to evelet > Tightening torque 23 Nm (17 ftlb.)  Information  The eyelets must not be inadvertently secured using aluminium screws! => Aluminium screws would break off and the suspended engine would fall down!
4	Aluminium screw  , M6 x 30; always use new aluminium screws; > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°
5	Bar ignition module
6	Aluminium screw.  M6 x 20; bar ignition module; always use new aluminium screws; > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°
7	Sheetmetal holder
8	Cap

Tightening sequence for cylinder head cover, cylinder bank 1 to 3

Tightening sequence for cylinder head cover, cylinder bank 4 to 6

Oil pump chain drive on chain pinion

1	Crankshaft sprocket
2	Friction plates/diamond washers; can be re-used
3	Drive chain for oil pump balance shaft module
4	Screw securing timing chain (screw into crankcase)
-	Guide and tensioning rail module
-	Fastening screws (for tightening specifications, see oil pump)
-	Spring wedge for crankshaft

Oil pump chain guide

1	Drive chain for oil pump balance shaft module
2	Guide and tensioning rail module
3	Fastening screw, M6 x 35 > Tightening torque 13 Nm (9.5 ftlb.)
4	Fastening screws, M6 x 20 > Tightening torque 13 Nm (9.5 ftlb.)

Oil pump with balance shaft

1	Oil pump with balance shaft
2	Dowel sleeve
3	Screw, M8 x 50 (4 ea.); 1st turn > Initial tightening 10 Nm (7.5 ftlb.)  ; final tightening (torque angle) > Torque angle 80°
4	Screw, M8 x 70 (1 ea.); 1st turn > Initial tightening 10 Nm (7.5 ftlb.)  ; final tightening (torque angle) > Torque angle 110°
5	Screw, M8 x 100 (1 ea.); 1st turn > Initial tightening 10 Nm (7.5 ftlb.)  ; final tightening (torque angle) > Torque angle 120°
6	Screw, M10 x 45; replace; 1st turn > Initial tightening 20 Nm (15 ftlb.)  ; final tightening (torque anale) > Torque angle 30°
7	Drive chain
8	Screw, M8 x 22; replace; 1st turn > Initial tightening 20 Nm (15 ftlb.)  ; final tightening (torque anale) > Torque angle 90°
9	Oil pump sprocket
10	Solenoid valve
11	Sealing rings (grease before fitting)
12	Cap screw, M36 > Tightening torque 40 Nm (30 ftlb.)

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Tightening specifications for oil pump and staking position of balance shaft with respect to oil pump

arrow A	View A; top view of balance weight on balance shaft; staking position using 6-mm drill bit or staking pin
SW 36	36 mm across flats (a/f); counter with an open-ended wrench

Oil pipes, fitted on oil pump and oil guide housing

1	Oil pressure pipe
2	Sealing ring; oil before fitting
3	Sealing ring; oil before fitting
4	Oil regulating line
5	Sealing ring; oil before fitting
6	Sealing ring; oil before fitting
7	Intake pipe on oil pump
8	Oil pipes to oil pump and oil guide housing > Tightening torque 12 Nm (9 ftlb.)
9	Oil pipes to oil pump and oil guide housing > Tightening torque 12 Nm (9 ftlb.)
10	Sprocket cover
11	Fastening screws on sprocket cover > Tightening torque 12 Nm (9 ftlb.)

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Oil pipes, fitted on oil pump and oil guide housing (view without oil pan)

Oil pressure sensor

1	Stopper > Tightening torque 15 Nm (11 ftlb.)
2	Sealing ring
3	Oil-pressure sensor adapter
4	Sealing ring
5	Oil pressure sender with temperature sensor
6	Screw, M6 x 40 > Tightening torque 10 Nm (7.5 ftlb.)

Oil guide housing for oil filter heat exchanger, 2WD

1	Oil guide housing
2	Oil/water heat exchanger
3	Screw, M6 x 20; self-tapping screws ex-works; metric screws can also be used > Tightening torque 10 Nm (7.5 ftlb.)
4	Heat exchanger seal
5	Heat exchanger clip
6	Oil-filter cover > Tightening torque 25 Nm (19 ftlb.)
7	Oil filter
8	Oil-filter gasket
9	Oil duct adapter (cannot be replaced)

Oil guide housing for oil filter heat exchanger, 4WD

1	Oil guide housing
2	Oil/water heat exchanger
3	Screw, M6 x 20; self-tapping screws ex-works; metric screws can also be used > Tightening torque 10 Nm (7.5 ftlb.)
4	Heat exchanger seal
5	Heat exchanger clip
6	Oil-filter cover > Tightening torque 25 Nm (19 ftlb.)
7	Oil filter
8	Oil-filter gasket
9	Oil duct adapter (cannot be replaced)

Oil return oil plate, 2WD

1	Oil guide (oil plate)
2	Oil return seal
3	Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.)

Oil return oil plate, 4WD

1	Oil guide (oil plate)
2	Oil return seal
3	Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.)

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Applying seal on oil guide housing, 2WD

1	Sealant application (geometry, sealing bead 1 mm); Doboseal 224N (999.915.573.43, status 01/10)

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Applying seal on oil guide housing, 4WD

1	Sealant application (geometry, sealing bead 1 mm); Doboseal 224N (999.915.573.43, status 01/10)

Oil pan

1	Oil pan
2	Seal; replace following removal
3	Seal; replace following removal
4	Oil drain plug, M18; aluminium screw; can be reused > Tightening torque 30 Nm (22 ftlb.)
5	Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.)

Water guide for heating pipe/collection pipe

1	Coolant pipe for heater
2	Screw plug > Tightening torque 15 Nm (11 ftlb.)
3	Sealing ring
4	Screw, M6 > Tightening torque 12 Nm (9 ftlb.)
5	Sealing ring
6	Screw plug > Tightening torque 30 Nm (22 ftlb.)
7	Screw > Tightening torque 12 Nm (9 ftlb.)
8	Coolant guide tube (collection pipe)
9	Metal seal
10	Stoppers

Cooling water return hose ahead of belt drive

1	Connection piece on generator
2	Screw for connection piece > Tightening torque 10 Nm (7.5 ftlb.)
3	Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.)
4	Coolant return line
5	Coolant return hose assembly
6	Holder
7	Screw, M6 Aluminium screw  ; always use new aluminium screws > Initial tightening 4 Nm (3 ftlb.)  and > Final tightening 90°

Cooling water supply hose

1	Coolant supply hose for oil/coolant heat exchanger
2	Screw for connection piece > Tightening torque 10 Nm (7.5 ftlb.)
3	Coolant supply hose to generator
4	Connection piece on generator
5	Coolant pipe
6	Screw, M6; coolant line to collection pipe > Tightening torque 10 Nm (7.5 ftlb.)

Ventilation

1	Screw, M6 x 16 > Tightening torque 10 Nm (7.5 ftlb.)
2	Vent line

Intake-air distributor - V6

1	Intake module
2	Decoupling module (fastening part); observe tightening sequence > Tightening torque 10 Nm (7.5 ftlb.)
3	Intake module seal; check that seal is aligned and fitted correctly!
4	Heat socket
5	Screw, 5 x 16 > Tightening torque 2 Nm (1.5 ftlb.)
6	Screw, 6 x 45 > Tightening torque 7 Nm (5 ftlb.)
7	Electronic accelerator
8	Seal
9	Ball socket

Pressure sensor shift mechanism

1	Pressure sensor
2	Screw > Tightening torque 7 Nm (5 ftlb.)
3 to 10	Actuators
7	Vacuum line
8	Screw, M5 x 16 > Tightening torque 4 Nm (3 ftlb.)

Intake-air distributor tightening sequence

Fuel distributor pipe

1	Fuel distributor pipe (fuel gallery)
2	Stopper; in 3 turns (tighten, loosen, tighten) > Tightening torque 25 Nm (19 ftlb.)
3	High-pressure sensor > Tightening torque 20 Nm (15 ftlb.)

Fuel injectors

1	Twin holder (retainer for two injectors) => for cylinders 2 to 3 and 4 to 5
2	Screw, M8 x 30 > Tightening torque 23 Nm (17 ftlb.)
3	Single holder (retainer for one injector) => for cylinders 1 and 6
4	Injector (high-pressure fuel injector)

Fuel distributor pipe 2

1	Screw, M6 x 16 > Tightening torque 10 Nm (7.5 ftlb.)
2	Screw, M6 x 25 > Tightening torque 10 Nm (7.5 ftlb.)
-	Connection to injector (high-pressure fuel injector); in 3 turns (tighten, loosen, tighten) > Tightening torque 25 Nm (19 ftlb.)

High-pressure pump

1	High-pressure pump
2	High-pressure line; (3 turns: tighten, loosen, tighten) > Tightening torque 25 Nm (19 ftlb.)
3	Low-pressure line; M6 screw > Tightening torque 10 Nm (7.5 ftlb.)  and connection to high-pressure pump for low-pressure line; (3 turns: tighten, loosen, tighten); counter at hexagon on high-pressure pump > Tightening torque 25 Nm (19 ftlb.)
4	Screw socket, M8 > Tightening torque 23 Nm (17 ftlb.)
5	Screw socket. M6 > Tightening torque 10 Nm (7.5 ftlb.)
6	Protective plate
7	Screw, M6 x 20 > Tightening torque 10 Nm (7.5 ftlb.)
-	Required line distance (5 to 8 mm) between components

Vacuum pump

1	Vacuum pump
2	Screw, M6 x 25 > Tightening torque 10 Nm (7.5 ftlb.)
3	Sealing ring
4	Sealing ring

Exhaust manifold seal, cylinders 1 to 3

1	Exhaust manifold
2	Studs, M8;
3	Hexagon nut. M8; replace; (check nuts by clicking once); observe correct tightening sequence > Tightening torque 27 (20 ftlb.) (check nuts by clicking once) Nm
-	Exhaust manifold seal
-	M6 screw; heat shield to exhaust manifold; > Tightening torque 10 Nm (7.5 ftlb.)

Exhaust manifold seal, cylinders 4 to 6

1	Exhaust manifold
2	Seal
3	Hexagon nut, M8; replace; (check nuts by clicking once); observe correct tightening sequence > Tightening torque 27 (20 ftlb.) (check nuts by clicking once) Nm
4	M6 screw; heat shield to exhaust manifold; > Tightening torque 10 Nm (7.5 ftlb.)

Exhaust manifold tightening sequence, cylinders 1 to 3

Exhaust manifold tightening sequence, cylinders 4 to 6