2006 Audi A6 Avant Quattro engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system


Intake manifold	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley


All Audi gasoline V6 3.1 L AUK engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Audi gasoline V6 2.4 L BDW engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Property class 10.9

expand_moreAuxiliary drive belt tensioner


All Audi gasoline V6 3.1 L AUK engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Audi gasoline V8 4.2 L BAT engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Audi gasoline V6 3.0 L BBJ engines


M10	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


All Audi gasoline V6 2.4 L BDW engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications

expand_moreM10


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
use only property class 10.9
Second stage	90°90°90°
Replace screws.


M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


Air-conditioning compressor	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAir-conditioning compressor bracket


All Audi gasoline V6 3.1 L AUK engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi gasoline V6 2.4 L BDW engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAir-conditioning compressor pressure line


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAlternator

expand_moreAll Audi gasoline V6 3.0 L BBJ engines


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreGenerator bracket


3.0 quattro with gasoline V6 3.0 L 215 HP engine (2005.3–2006.5)	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


Power steering pump bracket	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreHydraulic lines at the servo-steering pump


Banjo screws	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m


Servo pump pulley	14.75–16.96 lbf⋅ft14.75–16.96 lbf⋅ft20–23 N⋅m
Servo steering pump	14.75–16.96 lbf⋅ft14.75–16.96 lbf⋅ft20–23 N⋅m
Vacuum pump	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCarburetion

expand_moreFuel-distributing pipe


All Audi gasoline V6 3.0 L BBJ engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m


High-pressure line	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
High-pressure pump	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
High-pressure pump pulley	51.63 lbf⋅ft51.63 lbf⋅ft70 N⋅m
Injection hoses	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)

expand_moreAll other modifications


Nuts	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Screws	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Tighten the screws in steps.

expand_moreInjection pump


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreCharging


Charge air pipes	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreCharge air compressor


Nuts	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Stud screws	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m

expand_moreTurbo charger


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws and nuts.
Second stage	90°90°90°
Use hot screw paste

expand_moreTurbocharger oil feed line

expand_moreAll Audi diesel V6 2.7 L BPP engines


At the turbocharger	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace sealing rings.
On the engine block	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace sealing rings.

expand_moreAll Audi diesel V6 2.7 L BSG engines


At the turbocharger	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace sealing rings.
On the engine block	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace sealing rings.


All other modifications	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace sealing rings.


Turbocharger oil return line	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace sealing rings.

expand_moreCooling system


Coolant pump	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Coolant pump pulley	14.75–16.96 lbf⋅ft14.75–16.96 lbf⋅ft20–23 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Audi gasoline V8 4.2 L BAT engines


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
First tighten bearing covers 2 and 4 alternately and in steps
Second stage	90°90°90°
Use new screws.

expand_moreAll other modifications

Figure 1. Cylinder head, Camshaft bearing, All other modifications.


First stage	Screw in screw(s) by hand.
Note correct order of tensioning. See figure 1.
Second stage	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCylinder head screws

expand_moreAll Audi gasoline V8 4.2 L BAT engines

Figure 2. Cylinder head, Cylinder head screws, Audi gasoline V8 4.2 L BAT.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws. See figure 2.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°

expand_moreAll Audi gasoline V6 3.0 L BBJ engines

Figure 3. Cylinder head, Cylinder head screws, Audi gasoline V6 3.0 L BBJ.


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws. See figure 3.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use new screws. See figure 3.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreAll Audi gasoline V8 4.2 L BVJ engines

expand_moreScrews 1 – 10

Figure 4. Cylinder head, Cylinder head screws, Audi gasoline V8 4.2 L BVJ, Screws 1 – 10.


First stage	Tighten by hand
Use new screws. See figure 4.
Second stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Third stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Fourth stage	90°90°90°
Fifth stage	90°90°90°

expand_moreScrews 11 – 14

expand_moreSixth stage


First step	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Second step	90°90°90°

expand_moreCap screw 6


Seventh stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace sealing rings.

expand_moreAll other modifications

Figure 5. Cylinder head, Cylinder head screws, All other modifications.


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use new screws. See figure 5.
Second stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°


Cylinder head screws shank length (new)	6.1 in6.1 in155 mm
Valve cover	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreEngine block

expand_moreBalance shaft gear wheel

expand_moreAll Audi gasoline V8 4.2 L BAT engines


M10 × 20 screws	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m
Auxiliary drive pulley
M10 × 40 screws	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m
Auxiliary drive sprocket wheel

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAll other modifications


Central screws	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Wheel	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreConnecting rod bearing

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace and lightly oil the screw.
Second stage	90°90°90°

expand_moreAll other modifications


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace and lightly oil the screws.
Second stage	90°90°90°

expand_moreCrankshaft central screws

expand_more3.0 quattro with gasoline V6 3.0 L 215 HP engine (2005.3–2006.5)


First stage	147.51 lbf⋅ft147.51 lbf⋅ft200 N⋅m
Use new screw.
Second stage	180°180°180°

expand_moreCrankshaft pulley


All Audi gasoline V6 3.1 L AUK engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreAll Audi gasoline V8 4.2 L BAT engines


First stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws.
Second stage	45°45°45°


All Audi gasoline V6 2.4 L BDW engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreAll other modifications


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°
use only property class 10.9

expand_moreDrive plate

expand_moreAll Audi gasoline V6 3.0 L BBJ engines

expand_more22,5 mm screws


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	90°90°90°

expand_more35 mm screws


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreAll other modifications


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	90°90°90°

expand_moreEngine block closure screws


2.4 quattro with gasoline V6 2.4 L 174 HP at 6000 RPM, 230 N⋅m at 3000 RPM engine (2005.3–2008.10)	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreFlywheel

expand_moreAll Audi gasoline V8 4.2 L BAT engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Use new screws.
Second stage	90°90°90°

expand_moreAll other modifications

expand_more22,5 mm screws


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	90°90°90°

expand_more35 mm screws


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	180°180°180°

expand_more43 mm screws


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	180°180°180°

expand_moreMain bearing

expand_moreAll Audi gasoline V6 3.1 L AUK engines

expand_moreM10


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screws.
Second stage	90°90°90°
Alternately, first inside and then outside

expand_moreM8


Third stage	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline V6 3.0 L BBJ engines


First stage	Tighten by hand
Replace screws and nuts.

expand_moreLateral-fitting screw


Fourth stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Fifth stage	90°90°90°

expand_moreNuts


Second stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
cross-wise from inside to outside
Third stage	90°90°90°

expand_moreAll Audi gasoline V6 2.4 L BDW engines

expand_moreM10


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Alternately, first inside and then outside
Second stage	90°90°90°
Use new screws.

expand_moreM8


Third stage	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll other modifications


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Alternately, first inside and then outside
Second stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screws.
Third stage	90°90°90°

expand_moreVibration damper


All Audi gasoline V6 3.0 L BBJ engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


First stage	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace screws.
Second stage	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Tighten the screws crosswise.
Third stage	90°90°90°

expand_moreAll other modifications


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreEngine control

expand_moreBottom part of the control unit housing

expand_moreAll Audi gasoline V8 4.2 L BAT engines


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Third stage	90°90°90°

expand_moreM6


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Tighten cross-wise.

expand_moreAll other modifications


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreCamshaft drive belt deflection pulley


3.0 quattro with gasoline V6 3.0 L 215 HP engine (2005.3–2006.5)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreCamshaft timing chain slip rail


All Audi gasoline V8 4.2 L BAT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreCamshaft timing chain tensioner


All Audi gasoline V6 3.1 L AUK engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
All Audi gasoline V6 2.4 L BDW engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll other modifications


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreCamshaft timing chain tensioning rail


All Audi gasoline V8 4.2 L BAT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreCamshaft timing gear

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Use new screws.
Second stage	90°90°90°

expand_moreAll other modifications


Sprocket wheel	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
High pressure pump belt	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m

expand_moreChain tensioner


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreControl drive chain tensioner

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreControl drive chain tensioning rail

expand_moreAll Audi gasoline V6 3.1 L AUK engines


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°
Use screw-locking compound.


All Audi gasoline V8 4.2 L BAT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°


All other modifications	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreControl drive sprocket wheel

expand_moreAll Audi gasoline V8 4.2 L BAT engines


M10	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreM6


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreAll Audi gasoline V6 2.4 L BDW engines

expand_moreM10


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreM6


First stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Use new screw.
Second stage	60°60°60°

expand_moreAll other modifications


M10	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreM6


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreControl drive timing chain slip rail


All Audi gasoline V8 4.2 L BAT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	90°90°90°


All other modifications	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreDrive belt tensioner device

expand_more3.0 quattro with gasoline V6 3.0 L 215 HP engine (2005.3–2006.5)


M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreTensioning lever


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreDrive chain balance shaft tensioner


All Audi gasoline V8 4.2 L BAT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Auxiliary drive chain tensioner


Injection pump drive belt tensioning roller	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreInlet camshaft wheel

expand_moreAll Audi gasoline V8 4.2 L BAT engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Third stage	90°90°90°


All Audi gasoline V6 3.0 L BBJ engines	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Third stage	90°90°90°

expand_moreAll other modifications


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreOil pump drive chain tensioner


All Audi gasoline V6 3.0 L BBJ engines	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace screws.
Second stage	45°45°45°


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOutlet camshaft wheel

expand_moreAll Audi gasoline V8 4.2 L BAT engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Third stage	90°90°90°


All Audi gasoline V6 3.0 L BBJ engines	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.
Second stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Third stage	90°90°90°

expand_moreAll other modifications


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.
Second stage	90°90°90°


Tension rail bearing screws	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreTiming case cover

expand_moreAll other modifications


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreTiming case cover first cylinder row


All Audi gasoline V8 4.2 L BAT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAll Audi diesel V6 3.0 L BMK engines


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreTiming case cover second cylinder row


All Audi gasoline V8 4.2 L BAT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAll Audi diesel V6 3.0 L BMK engines


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreToothed belt guard


All Audi gasoline V6 3.0 L BBJ engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Toothed belt guard, rear
All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Toothed belt guard, rear

expand_moreToothed belt guard at the bottom


3.0 quattro with gasoline V6 3.0 L 215 HP engine (2005.3–2006.5)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt guard at the top


3.0 quattro with gasoline V6 3.0 L 215 HP engine (2005.3–2006.5)	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
Replace screws.

expand_moreToothed belt guard center


3.0 quattro with gasoline V6 3.0 L 215 HP engine (2005.3–2006.5)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreToothed belt tensioning roller

expand_moreAll Audi gasoline V6 3.0 L BBJ engines

expand_moreM10 × 65 screws


With tensioning roller eccentric	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreTensioning roller


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screw.
Second stage	90°90°90°

expand_moreAll other modifications


High pressure pump belt	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace screws.

expand_moreTop part of control unit housing


All Audi gasoline V8 4.2 L BVJ engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAll other modifications


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreEngine lubrication

expand_moreOil cooler


All Audi gasoline V8 4.2 L BAT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOil drain plug


All Audi gasoline V6 3.1 L AUK engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V8 4.2 L BAT engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Audi gasoline V6 3.0 L BBJ engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V6 2.4 L BDW engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Audi gasoline V8 4.2 L BVJ engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


M14	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
M24	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreOil filter housing

expand_moreAll Audi gasoline V8 4.2 L BAT engines


Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
M6	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


Cap	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Otherwise	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Otherwise	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Oil filter housing cap

expand_moreAll other modifications


Cap	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Otherwise	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOil lines


Banjo screws	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m


Oil pump	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil pump chain wheel


All Audi diesel V6 3.0 L ASB engines	45.73 lbf⋅ft45.73 lbf⋅ft62 N⋅m
Property class 10.9

expand_moreAll Audi gasoline V6 3.0 L BBJ engines


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	90°90°90°

expand_moreAll Audi gasoline V6 2.4 L BDW engines


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws.
Second stage	90°90°90°


All other modifications	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
Property class 10.9

expand_moreOil sump

expand_moreAll Audi diesel V6 3.0 L ASB engines

expand_moreAt the gearbox


Oil sump top part	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreOil sump lower part


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°
Gradually tighten screws crosswise.

expand_moreOn the engine block


Oil sump top part	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi gasoline V8 4.2 L BAT engines


Oil sump lower part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Oil sump top part	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreAll Audi gasoline V6 3.0 L BBJ engines

expand_moreAt the gearbox


Oil sump top part	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m


Oil sump lower part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Gradually tighten screws crosswise.

expand_moreOn the engine block (M7)


Oil sump top part	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m

expand_moreOn the engine block (M8)


Oil sump top part	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll Audi gasoline V6 2.4 L BDW engines


Oil sump lower part	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Gradually tighten screws crosswise.
Oil sump top part	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi diesel V6 3.0 L BMK engines

expand_moreAt the gearbox


Oil sump top part	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreOil sump lower part


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°
Gradually tighten screws crosswise.

expand_moreOn the engine block


Oil sump top part	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi diesel V6 2.7 L BPP engines

expand_moreAt the gearbox


Oil sump top part	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreOil sump lower part


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°
Gradually tighten screws crosswise.

expand_moreOn the engine block


Oil sump top part	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


Oil sump lower part	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreOil sump top part


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Tighten the screws crosswise.
Second stage	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m

expand_moreAll other modifications

expand_moreAt the gearbox


Oil sump top part	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreOil sump lower part


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	90°90°90°
Gradually tighten screws crosswise.

expand_moreOil sump top part


Locking screws	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreOn the engine block


Oil sump top part	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Gradually tighten screws crosswise.

expand_moreEngine management

expand_moreCamshaft sensor


All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCharge air pressure sensor


All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreCrankshaft sensor


All other modifications	3.32 lbf⋅ft3.32 lbf⋅ft4.5 N⋅m

expand_moreGlow plugs


Ceramic glow plug	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Metal glow plug	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m


Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreEngine mounting


Engine bracket	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreEngine mounting


All Audi gasoline V8 4.2 L BAT engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
All Audi gasoline V6 2.4 L BDW engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreSubframe

expand_moreAll other modifications


First stage	84.82 lbf⋅ft84.82 lbf⋅ft115 N⋅m
Replace screws.
Second stage	90°90°90°


Subframe stiffening plate	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreTorque arm

expand_moreAll Audi gasoline V6 2.4 L BDW engines


At the crossmember	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
On the engine block	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m


All other modifications	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreTorque support bracket


All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreExhaust system


Catalytic converter	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace the nuts and use fitting paste

expand_moreExhaust manifold

expand_moreAll Audi gasoline V8 4.2 L BVJ engines


First stage	Tighten by hand
Replace the nuts and use fitting paste
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Third stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace the nuts and use fitting paste


Exhaust pipe	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace nuts.

expand_moreExhaust pipe bracket


All Audi gasoline V8 4.2 L BAT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All other modifications	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_morePrimary catalytic converter


At the turbocharger	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace nuts. Use hot screw paste.

expand_moreFuel supply

expand_moreFuel filter bracket


All Audi gasoline V6 3.1 L AUK engines	10.62 lbf⋅in10.62 lbf⋅in1.2 N⋅m
All Audi gasoline V8 4.2 L BAT engines	10.62 lbf⋅in10.62 lbf⋅in1.2 N⋅m
All Audi gasoline V6 2.4 L BDW engines	10.62 lbf⋅in10.62 lbf⋅in1.2 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreFuel lines


Banjo screws	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreIgnition system


Spark plugs	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreStart system


Starter	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2006 Audi A6 Avant Quattro user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.

Before doing any DIY service please check your insurance policy and Audi warranty policy for your region. In some regions DIY service may invalidate your warranty.

Maintenance Items

Engine Fastener Tightening Specifications
Front Suspension Fastener Tightening Specifications
Rear Suspension Fastener Tightening Specifications
Transmission Fastener Tightening Specifications

Service Intervals

Conquer your fears and never give up!

DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Audi A6 Avant Quattro service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.

Doing basic service for your 2006 Audi A6 Avant Quattro you're not only saving money, but also also improving your technical skills and learning something new.

2006 Audi A6 Avant Quattro C6 Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Audi A6 Avant Quattro C6 model years

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