2003 Opel Signum front suspension fastener tightening specifications

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Condition	Value

expand_moreFront axle brake


Bleed valve	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Brake hose	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Replace sealing rings.
Brake line	11.8 lbf⋅ft11.8 lbf⋅ft16 N⋅m
Front axle brake caliper	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Front axle brake caliper mounting support	169.64 lbf⋅ft169.64 lbf⋅ft230 N⋅m
Use new screws.
Front axle brake disc	5.16 lbf⋅ft5.16 lbf⋅ft7 N⋅m

expand_moreFront axle steering


Lower steering column joint	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m

expand_morePressure line at steering gear


Union nuts	13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m


Return line to steering gear	9.59 lbf⋅ft9.59 lbf⋅ft13 N⋅m
Steering column	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreSteering gear

expand_moreAll other modifications


First stage	33.19 lbf⋅ft33.19 lbf⋅ft45 N⋅m
Use new screws and nuts.
Second stage	45°45°45°
Third stage	15°15°15°


Steering gear heat protection plate	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m
Steering wheel	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
Track rod end on stub axle	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Replace nuts.
Track rod end on track rod	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m

expand_moreFront axle suspension


Shock-absorber piston rod	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace nuts.

expand_moreSuspension strut

expand_moreOn chassis

expand_moreTop


First stage	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreBottom on stub axle


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws and nuts.

expand_moreSecond stage


First step	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Second step	75°75°75°
Third step	15°15°15°

expand_moreWheel suspension

expand_moreFront axle drive shaft

expand_moreCentral nuts


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Replace nuts.
Second stage	45° detach
Third stage	184.39 lbf⋅ft184.39 lbf⋅ft250 N⋅m


Front axle stabiliser mounting	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreStabiliser mounting at the stabiliser


Opel diesel straight-4 2.2 L Y 22 DTR 115 HP at 4000 RPM, 270 N⋅m at 1500 RPM	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace nuts.
Opel diesel straight-4 2.2 L Y 22 DTR 123 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace nuts.
Opel gasoline straight-4 2.2 L Z 22 YH 153 HP	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace nuts.
All other modifications	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m


Stabiliser mounting at the stub axle	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace nuts.
Stabiliser mounting at suspension strut	47.94 lbf⋅ft47.94 lbf⋅ft65 N⋅m
Replace nuts.

expand_moreSupport joint at the stub axle


First stage	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
Replace nuts.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreFront axle suspension

expand_moreM12

expand_moreCenter


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws.
Second stage	90°90°90°
Third stage	15°15°15°

expand_moreFront


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.
Second stage	120°120°120°
Third stage	15°15°15°

expand_moreRear

expand_moreM10


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Replace screws.
Second stage	45°45°45°
Third stage	15°15°15°

expand_moreTransverse control arm

expand_moreAt the subframe


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Second stage	75°75°75°
Third stage	15°15°15°

expand_moreLower front transverse control arm


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Second stage	75°75°75°
Third stage	15°15°15°

expand_moreLower rear transverse control arm


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Second stage	75°75°75°
Third stage	15°15°15°


Stabilizer of front axle on axle	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreWheel hub wheel bearing

expand_moreWheel bearing unit


First stage	73.76 lbf⋅ft73.76 lbf⋅ft100 N⋅m
Replace screws and nuts.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreWheels and tires


Tire pressure sensors	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Wheel attachment	81.13 lbf⋅ft81.13 lbf⋅ft110 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 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.

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 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.

2003 Opel Signum A Front Suspension Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Opel Signum A model years

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