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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 17.7 lbf⋅ft
All other modifications 16.23 lbf⋅ft
Use new screws or nuts
expand_moreIntake manifold support
On intake manifold 14.75 lbf⋅ft
Support on cylinder head 25.81 lbf⋅ft
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt deflection pulley
1.7 CDTI with diesel straight-4 1.7 L 79 HP at 4400 RPM, 170 N⋅m at 1800 RPM engine (2004.4–2006.8) 28.03 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
Self-locking nuts 25.81 lbf⋅ft
Otherwise 18.44 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 36.88 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 36.88 lbf⋅ft
All other modifications 18.44 lbf⋅ft
expand_moreAir-conditioning compressor
1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8) 14.01 lbf⋅ft
expand_moreAir-conditioning compressor bracket
expand_more1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8)
M10 nuts 33.93 lbf⋅ft
M10 screws 35.4 lbf⋅ft
M14 screws 50.15 lbf⋅ft
expand_moreAir-conditioning compressor pressure line
1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8) 14.75 lbf⋅ft
expand_moreGenerator bracket
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.8–2006.8) 13.28 lbf⋅ft
expand_moreCarburetion
expand_moreExhaust recirculation pipe
1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8) 20.65 lbf⋅ft
Replace sealing rings.
expand_moreHigh-pressure pump pulley
1.7 CDTI with diesel straight-4 1.7 L 79 HP at 4400 RPM, 170 N⋅m at 1800 RPM engine (2004.4–2006.8) 50.89 lbf⋅ft
expand_moreInjection hoses
All Vauxhall diesel straight-4 1.7 L X 17 DTL engines 18.44 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 16.96 lbf⋅ft
expand_moreInjection nozzle (injector)
All Vauxhall diesel straight-4 1.7 L X 17 DTL engines 51.63 lbf⋅ft
First stage hand-screwed
Second stage 360°
First stage hand-screwed
Second stage 360°
First stage 29.5 lbf⋅ft
Second stage slacken
Third stage 23.6 lbf⋅ft
expand_moreInjection pump pulley
All Vauxhall diesel straight-4 1.7 L X 17 DTL engines 18.44 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 51.63 lbf⋅ft
expand_moreCharging
expand_moreCharge air pipes
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.8–2006.8)
Clamps 2.58 lbf⋅ft
expand_moreTurbo charger
expand_more1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8)
On exhaust manifold 19.91 lbf⋅ft
Replace sealing rings.
expand_moreTurbocharger bracket
1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8) 19.91 lbf⋅ft
expand_moreTurbocharger oil feed line
expand_more1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8)
At the turbocharger 15.49 lbf⋅ft
On the engine block 7.38 lbf⋅ft
expand_moreCooling system
expand_moreCoolant pump
All Vauxhall gasoline straight-4 1.6 L Z 16 SE engines 5.9 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 17.7 lbf⋅ft
expand_moreCoolant pump pulley
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 8.85 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
All Vauxhall diesel straight-4 2.0 L X 20 DTL engines 11.06 lbf⋅ft
All Vauxhall diesel straight-4 2.0 L Y 20 DTH engines 11.06 lbf⋅ft
M6 16.23 lbf⋅ft
M8 19.91 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreCylinder head screws
Figure 1. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 1.7 L X 17 DTL.
Figure 1. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 1.7 L X 17 DTL.
First stage 18.44 lbf⋅ft
Replace screws. See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 45°
Fifth stage Warm-up run
Sixth stage 30°
Seventh stage 15°
expand_moreScrews 1 – 10
Figure 2. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 2.0 L X 20 DTL, Screws 1 – 10.
Figure 2. Cylinder head, Cylinder head screws, Vauxhall diesel straight-4 2.0 L X 20 DTL, Screws 1 – 10.
First stage 18.44 lbf⋅ft
Replace screws. See figure 2.
Second stage 65°
Third stage 65°
Fourth stage 65°
Fifth stage 65°
Sixth stage 15°
expand_moreScrews 11 – 14
Seventh stage 14.75 lbf⋅ft
Replace screws.
Eighth stage 30°
Ninth stage 5°
expand_moreScrews 1 – 10
First stage 18.44 lbf⋅ft
Replace screws. See figure 2.
Second stage 65°
Third stage 65°
Fourth stage 65°
Fifth stage 65°
Sixth stage 15°
expand_moreScrews 11 – 14
Seventh stage 14.75 lbf⋅ft
Replace screws.
Eighth stage 30°
Ninth stage 5°
First stage 28.76 lbf⋅ft
Replace screws.
Second stage 60°
Third stage 60°
expand_moreAll other modifications
Figure 3. Cylinder head, Cylinder head screws, All other modifications.
Figure 3. Cylinder head, Cylinder head screws, All other modifications.
First stage 18.44 lbf⋅ft
Replace screws. See figure 3.
Second stage 60°
Third stage 60°
Fourth stage 60°
expand_moreValve cover
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 7.38 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreEngine block
expand_moreConnecting rod bearing
First stage 18.44 lbf⋅ft
Replace screws.
Second stage 30°
First stage 18.44 lbf⋅ft
Replace screws.
Second stage 100°
Third stage 15°
expand_moreAll other modifications
First stage 25.81 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
expand_moreCrankcase ventilation
Crankcase ventilation pipe 5.9 lbf⋅ft
Use new seals.
expand_moreCrankshaft central screws
First stage 95.88 lbf⋅ft
Replace screws.
Second stage 4050°
First stage 110.63 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
First stage 110.63 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 144.56 lbf⋅ft
expand_moreAll other modifications
First stage 70.07 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
Crankshaft pulley 14.75 lbf⋅ft
expand_moreFlywheel
First stage 47.94 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
First stage 33.19 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
First stage 33.19 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
First stage 21.39 lbf⋅ft
Clean the thread, use new screws and screw-locking compound.
Second stage 60°
Third stage 15°
expand_moreAll other modifications
First stage 25.81 lbf⋅ft
Second stage 30°
Third stage 15°
expand_moreMain bearing
First stage 66.38 lbf⋅ft
Replace screws.
Second stage 60°
Third stage 15°
First stage 66.38 lbf⋅ft
Replace screws.
Second stage 60°
Third stage 15°
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 64.91 lbf⋅ft
helically from the inside out
expand_moreAll other modifications
First stage 36.88 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
expand_moreEngine control
expand_moreCamshaft drive belt deflection pulley
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 59 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 59 lbf⋅ft
expand_moreCamshaft timing gear
First stage 51.63 lbf⋅ft
Replace screws.
Second stage 60°
Third stage 5°
First stage 66.38 lbf⋅ft
Replace screws.
Second stage 60°
Third stage 30°
First stage 66.38 lbf⋅ft
Replace screws.
Second stage 60°
Third stage 30°
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 47.2 lbf⋅ft
All other modifications 33.19 lbf⋅ft
expand_moreChain tensioner
Cap 44.25 lbf⋅ft
expand_moreToothed belt guard at the bottom
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 7.38 lbf⋅ft
All other modifications 2.95 lbf⋅ft
expand_moreToothed belt guard at the top
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 7.38 lbf⋅ft
All other modifications 2.95 lbf⋅ft
expand_moreToothed belt tensioning roller
All Vauxhall diesel straight-4 1.7 L X 17 DTL engines 18.44 lbf⋅ft
All Vauxhall gasoline straight-4 1.6 L Z 16 SE engines 14.75 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 28.03 lbf⋅ft
expand_moreToothed belt tightener
expand_more1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8)
Tension pulley with leaf spring 28.03 lbf⋅ft
Tensioning roller with spiral spring 36.14 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil drain plug
One-part sump 33.19 lbf⋅ft
Two-part oil sump 7.38 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 57.53 lbf⋅ft
expand_moreAluminium oil sump
Hexagon head screws 33.19 lbf⋅ft
Torx screws 10.33 lbf⋅ft
Sheet-steel sump 40.57 lbf⋅ft
Aluminium screws for engines with number from 1493405 14.75 lbf⋅ft
Up to engine number 1493404, steel screws 57.53 lbf⋅ft
Replace sealing rings.
All other modifications 7.38 lbf⋅ft
expand_moreOil filter housing
All Vauxhall diesel straight-4 2.0 L X 20 DTL engines 14.75 lbf⋅ft
X20DTH engine 18.44 lbf⋅ft
Y20DTH engine 14.75 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 18.44 lbf⋅ft
All other modifications 11.06 lbf⋅ft
expand_moreOil sump
expand_moreOil sump top part
At the gearbox 29.5 lbf⋅ft
On the engine block 14.75 lbf⋅ft
expand_moreOil sump lower part
First stage 5.9 lbf⋅ft
Second stage 30°
One-part sump 5.9 lbf⋅ft
expand_moreAt the gearbox
M10 29.5 lbf⋅ft
M8 14.75 lbf⋅ft
On the engine block 14.75 lbf⋅ft
expand_moreX20DTH engine
Oil sump lower part 5.9 lbf⋅ft
Oil sump top part 14.75 lbf⋅ft
expand_moreY20DTH engine
On the engine block 14.75 lbf⋅ft
expand_moreAt the gearbox
M10 29.5 lbf⋅ft
M8 14.75 lbf⋅ft
At the gearbox 29.5 lbf⋅ft
On the engine block 7.38 lbf⋅ft
At the gearbox 29.5 lbf⋅ft
Oil sump lower part 7.38 lbf⋅ft
Oil sump top part 7.38 lbf⋅ft
expand_moreEngine management
expand_moreCamshaft sensor
All Vauxhall gasoline straight-4 1.6 L Z 16 SE engines 5.9 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 7.38 lbf⋅ft
expand_moreCrankshaft sensor
1.6 i with gasoline straight-4 1.6 L 83 HP engine (2000.9–2006.8) 5.9 lbf⋅ft
expand_moreGlow plugs
All Vauxhall diesel straight-4 1.7 L X 17 DTL engines 14.75 lbf⋅ft
All Vauxhall diesel straight-4 2.0 L X 20 DTL engines 7.38 lbf⋅ft
All Vauxhall diesel straight-4 2.0 L Y 20 DTH engines 7.38 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 13.28 lbf⋅ft
expand_moreKnock sensor
All Vauxhall gasoline straight-4 1.6 L Z 16 SE engines 14.75 lbf⋅ft
expand_moreLambda sensor
All Vauxhall gasoline straight-4 1.6 L Z 16 SE engines 29.5 lbf⋅ft
expand_moreEngine mounting
expand_moreEngine bracket
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 40.57 lbf⋅ft
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 29.5 lbf⋅ft
expand_moreEngine mounting
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 25.81 lbf⋅ft
On chassis 25.81 lbf⋅ft
Replace screws.
On engine bracket 40.57 lbf⋅ft
Replace screws.
On chassis 25.81 lbf⋅ft
Replace screws.
On the engine block 40.57 lbf⋅ft
Replace screws.
expand_moreExhaust system
expand_moreCatalytic converter
1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8) 47.94 lbf⋅ft
expand_moreExhaust manifold
All Vauxhall diesel straight-4 1.7 L Y 17 DT engines 17.7 lbf⋅ft
Replace screws and nuts.
All Vauxhall diesel straight-4 1.7 L Z 17 DTL engines 50.89 lbf⋅ft
All other modifications 16.23 lbf⋅ft
Replace screws and nuts.
expand_moreExhaust manifold heat shields
1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8) 8.85 lbf⋅ft
expand_moreExhaust pipe
expand_more1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8)
At the turbocharger 19.91 lbf⋅ft
Replace sealing rings.
expand_moreExhaust pipe rear
1.7 DTI 16V with diesel straight-4 1.7 L 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM engine (2001.4–2006.8) 5.9 lbf⋅ft
expand_moreIgnition system
Spark plugs 18.44 lbf⋅ft
expand_moreStart system
Starter 18.44 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2005 Vauxhall Astra Van 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.

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 Astra Van 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 2005 Vauxhall Astra Van you're not only saving money, but also also improving your technical skills and learning something new.

2005 Vauxhall Astra Van generations

In 2005 Vauxhall offered 2 generations of the Astra Van. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

Vauxhall Astra Van Fourth generation facelift (MK4) model years

Units:
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