2003 Opel Speedster engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All Opel gasoline straight-4 2.0 L Z 20 LET engines	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace nuts.
All Opel gasoline straight-4 2.2 L Z 22 SE engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner


All Opel gasoline straight-4 2.0 L Z 20 LET engines	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
All Opel gasoline straight-4 2.2 L Z 22 SE engines	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m

expand_moreAlternator


2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCharging

expand_moreTurbocharger oil feed line

expand_more2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2003.4–)


At the turbocharger	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use new parts.
On the engine block	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Union nuts	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreTurbocharger oil return line

expand_more2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2003.4–)


At the turbocharger	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Use new parts.
On the engine block	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m

expand_moreCylinder head

expand_moreCamshaft bearing

expand_more2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)


Guide bearing	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m
Otherwise	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreCylinder head screws

expand_more2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)

expand_moreM10

Figure 1. Cylinder head, Cylinder head screws, 2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–), M10.


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Use new screws. See figure 1.
Third stage	75°75°75°
Fourth stage	75°75°75°
Fifth stage	15°15°15°

expand_moreM8


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

expand_moreValve cover

expand_more2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)


M6	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll Opel gasoline straight-4 2.0 L Z 20 LET engines


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 2.2 L Z 22 SE engines


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

expand_moreCrankshaft central screws

expand_moreAll Opel gasoline straight-4 2.0 L Z 20 LET engines


First stage	95.88 lbf⋅ft95.88 lbf⋅ft130 N⋅m
Use new screw.
Second stage	45°45°45°

expand_moreAll Opel gasoline straight-4 2.2 L Z 22 SE engines


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

expand_moreCrankshaft pulley


2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2003.4–)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreFlywheel

expand_moreAll Opel gasoline straight-4 2.0 L Z 20 LET engines


First stage	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreAll Opel gasoline straight-4 2.2 L Z 22 SE engines


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

expand_moreMain bearing

expand_moreAll Opel gasoline straight-4 2.0 L Z 20 LET engines


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

expand_moreAll Opel gasoline straight-4 2.2 L Z 22 SE engines

expand_moreM10


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


M8	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreEngine control

expand_moreCamshaft drive belt deflection pulley


2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2003.4–)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreCamshaft timing gear

expand_moreAll Opel gasoline straight-4 2.0 L Z 20 LET 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_moreAll Opel gasoline straight-4 2.2 L Z 22 SE engines


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

expand_moreChain tensioner

expand_more2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)


Balance shaft timing chain	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Camshaft timing chain	55.32 lbf⋅ft55.32 lbf⋅ft75 N⋅m
Clean the thread.

expand_moreControl drive timing chain slip rail


2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Use screw-locking compound.

expand_moreToothed belt guard


2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2003.4–)	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreToothed belt tensioning roller


2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2003.4–)	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All Opel gasoline straight-4 2.0 L Z 20 LET engines	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
All Opel gasoline straight-4 2.2 L Z 22 SE engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil filter housing


2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil sump

expand_more2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)


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


2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2003.4–)	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreKnock sensor


All Opel gasoline straight-4 2.0 L Z 20 LET engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
All Opel gasoline straight-4 2.2 L Z 22 SE engines	16.96 lbf⋅ft16.96 lbf⋅ft23 N⋅m

expand_moreLambda sensor


All Opel gasoline straight-4 2.0 L Z 20 LET engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Opel gasoline straight-4 2.2 L Z 22 SE engines	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreEngine mounting

expand_more2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2003.4–)


On chassis	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.
On engine bracket	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.

expand_moreExhaust system

expand_moreExhaust manifold

expand_moreAll Opel gasoline straight-4 2.0 L Z 20 LET engines


First stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Replace nuts.
Second stage	Wait 5 minutes.
Note correct order of tensioning.
Third stage	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m


All Opel gasoline straight-4 2.2 L Z 22 SE engines	8.85 lbf⋅ft8.85 lbf⋅ft12 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All Opel gasoline straight-4 2.0 L Z 20 LET engines	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
All Opel gasoline straight-4 2.2 L Z 22 SE engines	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreStart system

expand_moreStarter


2.2 with gasoline straight-4 2.2 L 145 HP at 5800 RPM, 203 N⋅m at 4000 RPM engine (2000.9–)	29.5 lbf⋅ft29.5 lbf⋅ft40 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 Speedster 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

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 Speedster 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 Speedster you're not only saving money, but also also improving your technical skills and learning something new.

2003 Opel Speedster First generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Opel Speedster First generation model years

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