2006 Vauxhall Signum engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline straight-4 2.2 L Z 22 YH engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt deflection pulley


All Vauxhall diesel straight-4 1.9 L Z 19 DT engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Vauxhall gasoline V6 3.2 L Z 32 SE engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAuxiliary drive belt tensioner


All Vauxhall gasoline V6 3.2 L Z 32 SE engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All other modifications	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m


Air-conditioning compressor bracket	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreCarburetion


Exhaust recirculation pipe	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreCharging


Turbocharger oil feed line	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Replace sealing rings.

expand_moreTurbocharger oil return line

expand_moreAll Vauxhall diesel straight-4 1.9 L Z 19 DT engines


At the turbocharger	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace sealing rings.
On the engine block	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreAll Vauxhall diesel straight-4 1.9 L Z 19 DTH engines

expand_moreAt the turbocharger


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Replace sealing rings.

expand_moreOn the engine block


M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.

expand_moreCooling system

expand_moreCoolant pump pulley

expand_more3.2 V6 with gasoline V6 3.2 L 208 HP engine (2003.5–2008.5)


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreCylinder head

expand_moreCamshaft bearing


All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline straight-4 2.2 L Z 22 YH engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCylinder head screws

expand_moreAll Vauxhall diesel straight-4 1.9 L Z 19 DTH engines

Figure 1. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 1.9 L Z 19 DTH.


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws. See figure 1.
Second stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Third stage	90°90°90°
Fourth stage	90°90°90°
Fifth stage	90°90°90°

expand_moreAll Vauxhall gasoline straight-4 2.2 L Z 22 YH engines

expand_moreScrews 1 – 10

Figure 2. Cylinder head, Cylinder head screws, Vauxhall gasoline straight-4 2.2 L Z 22 YH, Screws 1 – 10.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace screws. See figure 2.
Second stage	90°90°90°
Third stage	60°60°60°
Fourth stage	15°15°15°

expand_moreScrews 11 – 14


Fifth stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use screw-locking compound.

expand_moreValve cover


All Vauxhall diesel straight-4 1.9 L Z 19 DT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Vauxhall gasoline straight-4 2.2 L Z 22 YH engines	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Vauxhall diesel straight-4 1.9 L Z 19 DTH engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreAll Vauxhall gasoline straight-4 2.2 L Z 22 YH engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	50°50°50°
Third stage	50°50°50°
Fourth stage	10°10°10°

expand_moreCrankshaft central screws

expand_moreAll Vauxhall diesel straight-4 2.0 L Y 20 DTH engines


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Use new screw.
Second stage	45°45°45°
Third stage	15°15°15°


All Vauxhall diesel V6 3.0 L Y 30 DT engines	173.33 lbf⋅ft173.33 lbf⋅ft235 N⋅m

expand_moreAll Vauxhall gasoline straight-4 1.8 L Z 18 XER engines


First stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Use new screw.
Second stage	45°45°45°
Third stage	15°15°15°


All Vauxhall diesel straight-4 1.9 L Z 19 DT engines	250.77 lbf⋅ft250.77 lbf⋅ft340 N⋅m
Use new screw. (left-hand thread)
All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	250.77 lbf⋅ft250.77 lbf⋅ft340 N⋅m
Use new screw. (left-hand thread)

expand_moreAll Vauxhall gasoline straight-4 2.0 L Z 20 NET engines


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws and nuts.
Second stage	75°75°75°
Third stage	15°15°15°

expand_moreAll Vauxhall gasoline straight-4 2.2 L Z 22 YH engines


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	75°75°75°
Third stage	15°15°15°


All Vauxhall diesel V6 3.0 L Z 30 DT engines	173.33 lbf⋅ft173.33 lbf⋅ft235 N⋅m

expand_moreAll Vauxhall gasoline V6 3.2 L Z 32 SE engines


First stage	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m
Use new screw.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreCrankshaft pulley


All Vauxhall diesel straight-4 1.9 L Z 19 DT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline V6 3.2 L Z 32 SE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFlywheel

expand_moreAll Vauxhall diesel straight-4 2.0 L Y 20 DTH engines


First stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Retap thread in holes and use new screws.
Second stage	30°30°30°
Third stage	15°15°15°


All Vauxhall diesel V6 3.0 L Y 30 DT engines	106.95 lbf⋅ft106.95 lbf⋅ft145 N⋅m
Retap thread in holes and use new screws.
All Vauxhall diesel straight-4 1.9 L Z 19 DT engines	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m
Clean the thread, use new screws and screw-locking compound.
All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	118.01 lbf⋅ft118.01 lbf⋅ft160 N⋅m
Clean the thread and use screw-locking compound.

expand_moreAll Vauxhall gasoline straight-4 2.0 L Z 20 NET engines


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Retap thread in holes and use new screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Vauxhall gasoline straight-4 2.2 L Z 22 YH engines


First stage	39.09 lbf⋅ft39.09 lbf⋅ft53 N⋅m
Clean the thread and use screw-locking compound.
Second stage	25°25°25°


All Vauxhall gasoline V6 2.8 L Z 28 NEL engines	49.42 lbf⋅ft49.42 lbf⋅ft67 N⋅m
Retap thread in holes and use new screws.
All Vauxhall diesel V6 3.0 L Z 30 DT engines	106.95 lbf⋅ft106.95 lbf⋅ft145 N⋅m
Retap thread in holes and use new screws.

expand_moreAll Vauxhall gasoline V6 3.2 L Z 32 SE engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Retap thread in holes and use new screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreMain bearing

expand_moreAll Vauxhall diesel straight-4 1.9 L Z 19 DT engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Tighten new bolts helically in outside to inside order.
Second stage	100°100°100°

expand_moreAll Vauxhall diesel straight-4 1.9 L Z 19 DTH engines


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	100°100°100°

expand_moreAll Vauxhall gasoline straight-4 2.2 L Z 22 YH engines

expand_moreM10


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	70°70°70°
Third stage	15°15°15°


M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreVibration damper


All Vauxhall diesel straight-4 1.9 L Z 19 DT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Vauxhall gasoline V6 2.8 L Z 28 NEL engines


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	150°150°150°

expand_moreEngine control

expand_moreBalance shaft timing chain guide rail


2.8 V6 Turbo with gasoline V6 2.8 L 227 HP engine (2005.7–2008.5)	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreCamshaft drive belt deflection pulley


All Vauxhall diesel V6 3.0 L Y 30 DT engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Vauxhall diesel V6 3.0 L Z 30 DT engines	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
All Vauxhall gasoline V6 3.2 L Z 32 SE engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreAll other modifications


Inlet camshaft	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Outlet camshaft	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCamshaft timing chain guide rail


2.0 i Turbo with gasoline straight-4 2.0 L 173 HP at 5500 RPM, 265 N⋅m at 2500 RPM engine (2003.3–2008.10)	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCamshaft timing chain tensioning rail


All Vauxhall gasoline straight-4 2.0 L Z 20 NET engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Vauxhall gasoline V6 2.8 L Z 28 NEL engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Vauxhall diesel straight-4 1.9 L Z 19 DTH engines


Inlet camshaft	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Outlet camshaft	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m

expand_moreAll Vauxhall gasoline straight-4 2.2 L Z 22 YH engines


First stage	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°


All other modifications	88.51 lbf⋅ft88.51 lbf⋅ft120 N⋅m
Replace screws.


Chain tensioner	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m

expand_moreControl drive chain guide rail


2.8 V6 Turbo with gasoline V6 2.8 L 227 HP engine (2005.7–2008.5)	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreControl drive chain tensioner


2.8 V6 Turbo with gasoline V6 2.8 L 227 HP engine (2005.7–2008.5)	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace sealing rings.

expand_moreDrive chain balance shaft tensioner


All Vauxhall gasoline straight-4 2.0 L Z 20 NET engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Vauxhall gasoline V6 2.8 L Z 28 NEL engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Replace sealing rings.

expand_moreInlet camshaft wheel

expand_moreAll Vauxhall gasoline straight-4 2.0 L Z 20 NET engines


First stage	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Vauxhall gasoline V6 3.2 L Z 32 SE engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreIntermediate shaft chain sprocket


2.8 V6 Turbo with gasoline V6 2.8 L 227 HP engine (2005.7–2008.5)	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m

expand_moreOutlet camshaft wheel

expand_moreAll Vauxhall gasoline straight-4 2.0 L Z 20 NET engines


First stage	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Vauxhall gasoline V6 3.2 L Z 32 SE engines


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreTiming case cover


2.8 V6 Turbo with gasoline V6 2.8 L 227 HP engine (2005.7–2008.5)	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreToothed belt guard


All Vauxhall diesel V6 3.0 L Y 30 DT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline straight-4 1.8 L Z 18 XER engines	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m
All Vauxhall diesel V6 3.0 L Z 30 DT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Vauxhall gasoline V6 3.2 L Z 32 SE engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAll other modifications


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreToothed belt tensioning roller


All Vauxhall diesel V6 3.0 L Y 30 DT engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All Vauxhall diesel straight-4 1.9 L Z 19 DT engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
All Vauxhall diesel V6 3.0 L Z 30 DT engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Vauxhall gasoline straight-4 2.2 L Z 22 YH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Oil filter housing	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil sump

expand_moreAll Vauxhall diesel straight-4 1.9 L Z 19 DTH engines


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreOn the engine block


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll Vauxhall gasoline straight-4 2.2 L Z 22 YH engines


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

expand_moreEngine management

expand_moreCamshaft sensor


All Vauxhall gasoline V6 3.2 L Z 32 SE engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreCrankshaft sensor


3.2 V6 with gasoline V6 3.2 L 208 HP engine (2003.5–2008.5)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreExhaust gas temperature sensor

expand_more1.9 CDTI 16V with diesel straight-4 1.9 L 148 HP engine (2004.4–2008.3)


On catalytic converter	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Use assembly paste
On particle filter	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreGlow plugs


1.9 CDTI 16V with diesel straight-4 1.9 L 148 HP engine (2004.4–2008.3)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreKnock sensor


2.2 i with gasoline straight-4 2.2 L 153 HP engine (2003.5–2008.5)	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreLambda sensor


All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Vauxhall gasoline straight-4 2.2 L Z 22 YH engines	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreAll Vauxhall diesel V6 3.0 L Y 30 DT engines

expand_moreM10


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


M12	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
Replace screws.


All Vauxhall gasoline V6 2.8 L Z 28 NEL engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreAll Vauxhall diesel V6 3.0 L Z 30 DT engines

expand_moreM10


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


M12	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
Replace screws.


All other modifications	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreEngine mounting


Nuts on the chassis	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws.
Screws on the chassis	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws.
Screws on the engine bracket	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace screws.

expand_moreExhaust system

expand_moreCatalytic converter


Clamps	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m


Catalytic converter bracket	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreExhaust manifold


All Vauxhall diesel straight-4 1.9 L Z 19 DT engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.
All Vauxhall diesel straight-4 1.9 L Z 19 DTH engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace nuts.

expand_moreAll Vauxhall gasoline straight-4 2.2 L Z 22 YH engines


First stage	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m
Replace screws and nuts.
Second stage	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreExhaust pipe


Front	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreExhaust pipe rear

expand_more1.9 CDTI 16V with diesel straight-4 1.9 L 148 HP engine (2004.4–2008.3)


Clamps	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


2.2 i with gasoline straight-4 2.2 L 153 HP engine (2003.5–2008.5)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2006 Vauxhall Signum 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 Vauxhall 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 Vauxhall Signum 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 Vauxhall Signum you're not only saving money, but also also improving your technical skills and learning something new.

2006 Vauxhall Signum First generation facelift (MK1) Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Vauxhall Signum First generation facelift (MK1) model years

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