2003 Opel Combo Box Van engine fastener tightening specifications

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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⋅ft16.23 lbf⋅ft22 N⋅m
Replace screws and nuts.
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAuxiliary assemblies


Auxiliary drive belt deflection pulley	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m

expand_moreAuxiliary drive belt tensioner


Opel gasoline straight-4 1.6 L Z 16 SE 86 HP	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All other modifications	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m

expand_moreAir-conditioning compressor


All Opel diesel straight-4 1.7 L Y 17 DT engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreAir-conditioning compressor bracket


All other modifications	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m


Air-conditioning compressor pressure line	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace sealing rings.

expand_moreAlternator

expand_moreOpel diesel straight-4 1.7 L Y 17 DTL 64 HP at 4400 RPM, 130 N⋅m at 2000 RPM


M10	33.93 lbf⋅ft33.93 lbf⋅ft46 N⋅m
M8	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m


Opel gasoline straight-4 1.6 L Z 16 SE 86 HP	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreGenerator bracket

expand_moreOpel diesel straight-4 1.7 L Y 17 DTL 64 HP at 4400 RPM, 130 N⋅m at 2000 RPM


M10	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m
M14	49.42 lbf⋅ft49.42 lbf⋅ft67 N⋅m


Opel gasoline straight-4 1.6 L Z 16 SE 86 HP	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreVacuum pump


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCarburetion

expand_moreExhaust recirculation pipe


All Opel diesel straight-4 1.7 L Y 17 DT engines	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Replace sealing rings.

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


On exhaust manifold screws	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m
Replace sealing rings.
Support	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Union nuts	32.45 lbf⋅ft32.45 lbf⋅ft44 N⋅m
Replace sealing rings.

expand_moreFuel-distributing pipe


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreInjection hoses


All Opel diesel straight-4 1.7 L Y 17 DT engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAll other modifications


M12	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
M14	20.65 lbf⋅ft20.65 lbf⋅ft28 N⋅m

expand_moreInjection nozzle (injector)


All Opel diesel straight-4 1.7 L Y 17 DT engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreInjection pump


At the bracket	14.01 lbf⋅ft14.01 lbf⋅ft19 N⋅m
On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreInjection pump pulley

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Second stage	wait for 60 s
Third stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreCharging

expand_moreTurbo charger

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


On exhaust manifold	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m
Replace seals and nuts.


Turbocharger bracket	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m

expand_moreTurbocharger oil feed line

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DT engines


At the turbocharger	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Replace sealing rings.
On the engine block	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace sealing rings.

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


At the turbocharger	15.49 lbf⋅ft15.49 lbf⋅ft21 N⋅m
Replace sealing rings.
On the engine block	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCooling system

expand_moreCoolant pump


All Opel diesel straight-4 1.7 L Y 17 DT engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCoolant pump pulley


All Opel diesel straight-4 1.7 L Y 17 DT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreRadiator mounting

expand_moreOpel gasoline straight-4 1.6 L Z 16 SE 86 HP


Bottom	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Top	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


Bottom	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Top	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


M10	31.72 lbf⋅ft31.72 lbf⋅ft43 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreCylinder head screws

expand_moreOpel 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⋅ft28.76 lbf⋅ft39 N⋅m
Use new screws. See figure 1.
Second stage	60°60°60°
Third stage	13°13°13°
Fourth stage	60°60°60°
Fifth stage	13°13°13°

expand_moreOpel diesel straight-4 1.7 L Y 17 DT 74 HP at 4400 RPM, 165 N⋅m at 1800 RPM


First stage	28.76 lbf⋅ft28.76 lbf⋅ft39 N⋅m
Replace screws. See figure 1.
Second stage	60°60°60°
Third stage	13°13°13°
Fourth stage	60°60°60°
Fifth stage	13°13°13°

expand_moreOpel 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⋅ft18.44 lbf⋅ft25 N⋅m
Use new screws. See figure 2.
Second stage	85°85°85°
Third stage	85°85°85°
Fourth stage	20°20°20°

expand_moreAll other modifications

Figure 3. Cylinder head, Cylinder head screws, All other modifications.


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

expand_moreValve cover


All Opel diesel straight-4 1.7 L Y 17 DT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreOpel diesel straight-4 1.7 L Y 17 DTL 64 HP at 4400 RPM, 130 N⋅m at 2000 RPM


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Second stage	100°100°100°
Third stage	15°15°15°

expand_moreOpel gasoline straight-4 1.6 L Z 16 SE 86 HP


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreCrankshaft central screws

expand_moreOpel gasoline straight-4 1.6 L Z 16 SE 86 HP


First stage	70.07 lbf⋅ft70.07 lbf⋅ft95 N⋅m
Use new screw.
Second stage	30°30°30°
Third stage	15°15°15°


All other modifications	144.56 lbf⋅ft144.56 lbf⋅ft196 N⋅m

expand_moreCrankshaft pulley


All Opel diesel straight-4 1.7 L Y 17 DT engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFlywheel

expand_moreOpel diesel straight-4 1.7 L Y 17 DTL 64 HP at 4400 RPM, 130 N⋅m at 2000 RPM


First stage	21.39 lbf⋅ft21.39 lbf⋅ft29 N⋅m
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreOpel gasoline straight-4 1.6 L Z 16 SE 86 HP


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreMain bearing


All Opel diesel straight-4 1.7 L Y 17 DT engines	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	64.91 lbf⋅ft64.91 lbf⋅ft88 N⋅m

expand_moreAll other modifications


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreEngine control

expand_moreCamshaft drive belt deflection pulley


All Opel diesel straight-4 1.7 L Y 17 DT engines	59 lbf⋅ft59 lbf⋅ft80 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	59 lbf⋅ft59 lbf⋅ft80 N⋅m
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m


Camshaft timing chain tensioner	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCamshaft timing gear


All Opel gasoline straight-4 1.6 L Z 16 SE engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
All other modifications	47.2 lbf⋅ft47.2 lbf⋅ft64 N⋅m
Replace screws.


Control drive chain guide rail	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Control drive chain tensioning rail	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreToothed belt guard at the bottom


All Opel diesel straight-4 1.7 L Y 17 DT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt guard at the top


All Opel diesel straight-4 1.7 L Y 17 DT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m

expand_moreToothed belt tensioning roller

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


Tension pulley with leaf spring	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
Tensioning roller with spiral spring	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m


All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreToothed belt tightener


Tension pulley with leaf spring	28.03 lbf⋅ft28.03 lbf⋅ft38 N⋅m
Tensioning roller with spiral spring	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Opel diesel straight-4 1.7 L Y 17 DT engines	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	57.53 lbf⋅ft57.53 lbf⋅ft78 N⋅m

expand_moreAll Opel gasoline straight-4 1.6 L Z 16 SE engines


Aluminium oil sump (Torx screws)	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Aluminium oil sump (hexagon-head screws)	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Sheet-steel sump	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m


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


Oil filter	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreOil filter housing

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace sealing rings.
On the engine block	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreAll other modifications


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

expand_moreOil pump


All Opel diesel straight-4 1.7 L Y 17 DT engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel gasoline straight-4 1.6 L Z 16 SE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreOil sump

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


Oil sump lower part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Oil sump top part	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAll other modifications


At the gearbox	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
On the engine block	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreEngine management

expand_moreCamshaft sensor


Opel gasoline straight-4 1.6 L Z 16 SE 86 HP	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
All other modifications	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m

expand_moreCrankshaft sensor


Opel gasoline straight-4 1.6 L Z 16 SE 86 HP	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreGlow plugs


All Opel diesel straight-4 1.7 L Y 17 DT engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel diesel straight-4 1.7 L Y 17 DTL engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All other modifications	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m


Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreLambda sensor


Opel gasoline straight-4 1.6 L Z 16 SE 86 HP	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use heat-resistant grease.

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


On the engine block	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.

expand_moreAll Opel gasoline straight-4 1.6 L Z 16 SE engines

expand_moreRight


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Second stage	45–60°45–60°45–60°

expand_moreAll other modifications

expand_moreOn the engine block

expand_moreRight


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	60°60°60°

expand_moreEngine mounting

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines


On chassis	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.

expand_moreOn engine bracket


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 1.6 L Z 16 SE engines


On chassis	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Replace screws.

expand_moreOn engine bracket


First stage	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.
Second stage	30–45°30–45°30–45°

expand_moreAll other modifications

expand_moreOn chassis


Left	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Right	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreExhaust system


Catalytic converter	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreExhaust manifold


All Opel diesel straight-4 1.7 L Y 17 DT engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Replace sealing rings.
All Opel diesel straight-4 1.7 L Y 17 DTL engines	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
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⋅ft19.91 lbf⋅ft27 N⋅m


M10	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace seals and nuts.

expand_moreAll Opel diesel straight-4 1.7 L Y 17 DTL engines

expand_moreAt the turbocharger


M8	19.91 lbf⋅ft19.91 lbf⋅ft27 N⋅m


M10	49.42 lbf⋅ft49.42 lbf⋅ft67 N⋅m
Replace sealing rings.


All Opel gasoline straight-4 1.6 L Z 16 SE engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Replace screws and nuts.
All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.

expand_moreFuel supply


Fuel lines	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreIgnition system


Spark plugs	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreStart system

expand_moreStarter


All other modifications	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 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.

Maintenance Items

Chassis and Body Fastener Tightening Specifications
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 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.

2003 Opel Combo Box Van C Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Opel Combo Box Van C model years

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