in your garage to make future searches easy.

Condition Value
expand_moreAxle drive
Drive shaft intermediate bearing 13.28 lbf⋅ft
expand_moreFront axle drive shaft
expand_moreCentral nuts
First stage 110.63 lbf⋅ft
Replace nuts.
Second stage 45° detach
Third stage 184.39 lbf⋅ft
expand_moreClutch
expand_moreClutch pressure plate
expand_more1.8 with gasoline straight-4 1.8 L 121 HP at 6000 RPM, 165 N⋅m at 4600 RPM engine (2003.5–)
M7 11.06 lbf⋅ft
Tighten new screws crosswise, use screw-locking compound.
M8 20.65 lbf⋅ft
Tighten new screws crosswise, use screw-locking compound.
expand_more2.0 Turbo with gasoline straight-4 2.0 L 173 HP at 5500 RPM, 265 N⋅m at 2500 RPM engine (2003.5–)
M7 11.06 lbf⋅ft
Replace screws and nuts.
M8 20.65 lbf⋅ft
Replace screws and nuts.
expand_more2.2 direct with gasoline straight-4 2.2 L 153 HP engine (2003.5–)
M7 11.06 lbf⋅ft
Replace screws. Use screw-locking compound.
M8 20.65 lbf⋅ft
Replace screws. Use screw-locking compound.
expand_more3.0 V6 CDTI with diesel V6 3.0 L 174 HP at 4000 RPM, 350 N⋅m at 1800 RPM engine (2003.5–)
M7 11.06 lbf⋅ft
M8 20.65 lbf⋅ft
All other modifications 11.06 lbf⋅ft
Tighten the screws crosswise.
expand_moreClutch slave cylinder
With concentric slave cylinder 3.69 lbf⋅ft
Use new screws with the screw- locking compound.
expand_moreGear shifting
expand_moreBack-up lamp switch
F17+ gearbox 14.75 lbf⋅ft
Replace sealing rings.
F35 gearbox 11.06 lbf⋅ft
expand_moreGearbox
expand_moreGearbox flange connection at engine
M10 29.5 lbf⋅ft
M12 44.25 lbf⋅ft
expand_moreGearbox lubrication
expand_moreGearbox oil drain plug
AF 23 gearbox 29.5 lbf⋅ft
Replace sealing rings.
AF 33 gearbox 29.5 lbf⋅ft
Replace sealing rings.
F23 gearbox 25.81 lbf⋅ft
F40 gearbox 36.88 lbf⋅ft
M32 gearbox 14.75 lbf⋅ft
VT20-E gearbox 14.75 lbf⋅ft
expand_moreGearbox oil filler plug
AF 23 gearbox 29.5 lbf⋅ft
Replace sealing rings.
AF 33 gearbox 29.5 lbf⋅ft
Replace sealing rings.
AF 40 gearbox 29.5 lbf⋅ft
F40 gearbox 36.88 lbf⋅ft
F23 gearbox 25.81 lbf⋅ft
F40 gearbox 36.88 lbf⋅ft
M32 gearbox 22.13 lbf⋅ft
expand_moreGearbox oil sump
F17+ gearbox 13.28 lbf⋅ft
Replace sealing rings.
expand_moreOil control plug
AF 40 gearbox 5.9 lbf⋅ft
expand_moreF17+ gearbox
First stage 2.95 lbf⋅ft
Second stage 45180°
F23 gearbox 25.81 lbf⋅ft
F35 gearbox 36.88 lbf⋅ft
F40 gearbox 7.38 lbf⋅ft
VT20-E gearbox 8.11 lbf⋅ft
expand_moreGearbox mounting
expand_moreGearbox mounting
expand_moreAll Opel diesel V6 3.0 L Y 30 DT engines
Front 59 lbf⋅ft
Rear 59 lbf⋅ft
At the gearbox
All other modifications 40.57 lbf⋅ft
Gearbox support 40.57 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 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 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 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 2003 Opel Signum you're not only saving money, but also also improving your technical skills and learning something new.

Opel Signum A model years

Units:
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