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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
Opel gasoline straight-4 1.6 L Z 16 SE 86 HP 16.23 lbf⋅ft
Replace screws and nuts.
All other modifications 18.44 lbf⋅ft
expand_moreAuxiliary assemblies
Auxiliary drive belt deflection pulley 28.03 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
Opel gasoline straight-4 1.6 L Z 16 SE 86 HP 25.81 lbf⋅ft
All other modifications 36.88 lbf⋅ft
expand_moreAir-conditioning compressor
All Opel diesel straight-4 1.7 L Y 17 DT engines 16.23 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 16.23 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreAir-conditioning compressor bracket
All other modifications 31.72 lbf⋅ft
Air-conditioning compressor pressure line 14.75 lbf⋅ft
Replace sealing rings.
expand_moreAlternator
M10 33.93 lbf⋅ft
M8 14.01 lbf⋅ft
Opel gasoline straight-4 1.6 L Z 16 SE 86 HP 25.81 lbf⋅ft
expand_moreGenerator bracket
M10 35.4 lbf⋅ft
M14 49.42 lbf⋅ft
Opel gasoline straight-4 1.6 L Z 16 SE 86 HP 14.75 lbf⋅ft
All other modifications 16.23 lbf⋅ft
expand_moreVacuum pump
First stage 3.69 lbf⋅ft
Second stage 14.75 lbf⋅ft
expand_moreCarburetion
expand_moreExhaust recirculation pipe
All Opel diesel straight-4 1.7 L Y 17 DT engines 20.65 lbf⋅ft
Replace sealing rings.
On exhaust manifold screws 20.65 lbf⋅ft
Replace sealing rings.
Support 6.64 lbf⋅ft
Union nuts 32.45 lbf⋅ft
Replace sealing rings.
expand_moreFuel-distributing pipe
All other modifications 5.9 lbf⋅ft
expand_moreInjection hoses
All Opel diesel straight-4 1.7 L Y 17 DT engines 16.23 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 16.23 lbf⋅ft
expand_moreAll other modifications
M12 17.7 lbf⋅ft
M14 20.65 lbf⋅ft
expand_moreInjection nozzle (injector)
All Opel diesel straight-4 1.7 L Y 17 DT engines 16.23 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 16.23 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreInjection pump
At the bracket 14.01 lbf⋅ft
On the engine block 14.75 lbf⋅ft
expand_moreInjection pump pulley
First stage 44.25 lbf⋅ft
Second stage wait for 60 s
Third stage 44.25 lbf⋅ft
expand_moreCharging
expand_moreTurbo charger
On exhaust manifold 19.91 lbf⋅ft
Replace seals and nuts.
Turbocharger bracket 19.91 lbf⋅ft
expand_moreTurbocharger oil feed line
expand_moreAll Opel diesel straight-4 1.7 L Y 17 DT engines
At the turbocharger 15.49 lbf⋅ft
Replace sealing rings.
On the engine block 7.38 lbf⋅ft
Replace sealing rings.
At the turbocharger 15.49 lbf⋅ft
Replace sealing rings.
On the engine block 7.38 lbf⋅ft
expand_moreCooling system
expand_moreCoolant pump
All Opel diesel straight-4 1.7 L Y 17 DT engines 17.7 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 17.7 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreCoolant pump pulley
All Opel diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 7.38 lbf⋅ft
expand_moreRadiator mounting
Bottom 11.06 lbf⋅ft
Top 7.38 lbf⋅ft
expand_moreAll other modifications
Bottom 11.06 lbf⋅ft
Top 14.75 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
M10 31.72 lbf⋅ft
M8 16.23 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreCylinder head screws
Figure 1. Cylinder head, Cylinder head screws, Opel diesel straight-4 1.7 L Y 17 DTL 64 HP at 4400 RPM, 130 N⋅m at 2000 RPM.
Figure 1. Cylinder head, Cylinder head screws, Opel diesel straight-4 1.7 L Y 17 DTL 64 HP at 4400 RPM, 130 N⋅m at 2000 RPM.
First stage 28.76 lbf⋅ft
Use new screws. See figure 1.
Second stage 60°
Third stage 13°
Fourth stage 60°
Fifth stage 13°
First stage 28.76 lbf⋅ft
Replace screws. See figure 1.
Second stage 60°
Third stage 13°
Fourth stage 60°
Fifth stage 13°
Figure 2. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.6 L Z 16 SE 86 HP.
Figure 2. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.6 L Z 16 SE 86 HP.
First stage 18.44 lbf⋅ft
Use new screws. See figure 2.
Second stage 85°
Third stage 85°
Fourth stage 20°
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 29.5 lbf⋅ft
Replace screws. See figure 3.
Second stage 90°
Third stage 90°
expand_moreValve cover
All Opel diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 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 and nuts.
Second stage 100°
Third stage 15°
First stage 18.44 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
expand_moreCrankshaft central screws
First stage 70.07 lbf⋅ft
Use new screw.
Second stage 30°
Third stage 15°
All other modifications 144.56 lbf⋅ft
expand_moreCrankshaft pulley
All Opel diesel straight-4 1.7 L Y 17 DT engines 14.75 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 14.75 lbf⋅ft
expand_moreFlywheel
First stage 21.39 lbf⋅ft
Second stage 60°
Third stage 15°
First stage 25.81 lbf⋅ft
Second stage 30°
Third stage 15°
expand_moreMain bearing
All Opel diesel straight-4 1.7 L Y 17 DT engines 64.91 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 64.91 lbf⋅ft
expand_moreAll other modifications
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
expand_moreEngine control
expand_moreCamshaft drive belt deflection pulley
All Opel diesel straight-4 1.7 L Y 17 DT engines 59 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 59 lbf⋅ft
All other modifications 18.44 lbf⋅ft
Camshaft timing chain tensioner 6.64 lbf⋅ft
expand_moreCamshaft timing gear
All Opel gasoline straight-4 1.6 L Z 16 SE engines 33.19 lbf⋅ft
All other modifications 47.2 lbf⋅ft
Replace screws.
Control drive chain guide rail 6.64 lbf⋅ft
Control drive chain tensioning rail 6.64 lbf⋅ft
expand_moreToothed belt guard at the bottom
All Opel diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 7.38 lbf⋅ft
All other modifications 2.95 lbf⋅ft
expand_moreToothed belt guard at the top
All Opel diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 7.38 lbf⋅ft
All other modifications 2.95 lbf⋅ft
expand_moreToothed belt tensioning roller
Tension pulley with leaf spring 28.03 lbf⋅ft
Tensioning roller with spiral spring 36.14 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreToothed belt tightener
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
All Opel diesel straight-4 1.7 L Y 17 DT engines 57.53 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 57.53 lbf⋅ft
Aluminium oil sump (Torx screws) 10.33 lbf⋅ft
Aluminium oil sump (hexagon-head screws) 33.19 lbf⋅ft
Sheet-steel sump 40.57 lbf⋅ft
All other modifications 7.38 lbf⋅ft
Oil filter 11.06 lbf⋅ft
expand_moreOil filter housing
Oil filter cover 18.44 lbf⋅ft
Replace sealing rings.
On the engine block 18.44 lbf⋅ft
expand_moreAll other modifications
Oil filter cover 18.44 lbf⋅ft
Replace sealing rings.
On the engine block 6.64 lbf⋅ft
expand_moreOil pump
All Opel diesel straight-4 1.7 L Y 17 DT engines 7.38 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 7.38 lbf⋅ft
All Opel gasoline straight-4 1.6 L Z 16 SE engines 7.38 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreOil sump
Oil sump lower part 7.38 lbf⋅ft
Oil sump top part 7.38 lbf⋅ft
expand_moreAll other modifications
At the gearbox 29.5 lbf⋅ft
On the engine block 7.38 lbf⋅ft
expand_moreEngine management
expand_moreCamshaft sensor
Opel gasoline straight-4 1.6 L Z 16 SE 86 HP 11.8 lbf⋅ft
All other modifications 5.16 lbf⋅ft
expand_moreCrankshaft sensor
Opel gasoline straight-4 1.6 L Z 16 SE 86 HP 5.9 lbf⋅ft
All other modifications 7.38 lbf⋅ft
expand_moreGlow plugs
All Opel diesel straight-4 1.7 L Y 17 DT engines 14.75 lbf⋅ft
All Opel diesel straight-4 1.7 L Y 17 DTL engines 14.75 lbf⋅ft
All other modifications 7.38 lbf⋅ft
Knock sensor 14.75 lbf⋅ft
expand_moreLambda sensor
Opel gasoline straight-4 1.6 L Z 16 SE 86 HP 22.13 lbf⋅ft
Use heat-resistant grease.
expand_moreEngine mounting
expand_moreEngine bracket
On the engine block 29.5 lbf⋅ft
Replace screws.
expand_moreRight
First stage 47.94 lbf⋅ft
Second stage 4560°
expand_moreAll other modifications
expand_moreOn the engine block
expand_moreRight
First stage 47.94 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 60°
expand_moreEngine mounting
On chassis 29.5 lbf⋅ft
Replace screws.
expand_moreOn engine bracket
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
On chassis 29.5 lbf⋅ft
Replace screws.
expand_moreOn engine bracket
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 3045°
expand_moreAll other modifications
expand_moreOn chassis
Left 18.44 lbf⋅ft
Right 29.5 lbf⋅ft
expand_moreExhaust system
Catalytic converter 22.13 lbf⋅ft
expand_moreExhaust manifold
All Opel diesel straight-4 1.7 L Y 17 DT engines 17.7 lbf⋅ft
Replace sealing rings.
All Opel diesel straight-4 1.7 L Y 17 DTL engines 17.7 lbf⋅ft
All other modifications 16.23 lbf⋅ft
Replace screws and nuts.
expand_moreExhaust pipe
expand_moreAll Opel diesel straight-4 1.7 L Y 17 DT engines
expand_moreAt the turbocharger
M8 19.91 lbf⋅ft
M10 47.94 lbf⋅ft
Replace seals and nuts.
expand_moreAt the turbocharger
M8 19.91 lbf⋅ft
M10 49.42 lbf⋅ft
Replace sealing rings.
All Opel gasoline straight-4 1.6 L Z 16 SE engines 33.19 lbf⋅ft
Replace screws and nuts.
All other modifications 18.44 lbf⋅ft
Replace screws and nuts.
expand_moreFuel supply
Fuel lines 11.06 lbf⋅ft
expand_moreIgnition system
Spark plugs 18.44 lbf⋅ft
expand_moreStart system
expand_moreStarter
All other modifications 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 2003 Opel Combo Box 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 Opel 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 Opel Combo Box 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 2003 Opel Combo Box Van you're not only saving money, but also also improving your technical skills and learning something new.

Units:
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