2006 Opel Astra Sedan engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


All other modifications	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
helically from the inside out

expand_moreAuxiliary assemblies

expand_moreAuxiliary drive belt tensioner


All other modifications	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Replace screws.

expand_moreAir-conditioning compressor


All other modifications	18.44 lbf⋅ft18.44 lbf⋅ft25 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

expand_moreAlternator


All other modifications	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreCarburetion


Fuel-distributing pipe	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
High-pressure pump pulley	50.89 lbf⋅ft50.89 lbf⋅ft69 N⋅m
Injection hoses	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreInjection nozzle (injector)

expand_moreAll other modifications


First stage	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
Second stage	slacken
Third stage	23.6 lbf⋅ft23.6 lbf⋅ft32 N⋅m

expand_moreCharging

expand_moreTurbo charger

expand_moreAll other modifications


First stage	17.7 lbf⋅ft17.7 lbf⋅ft24 N⋅m
Replace nuts.
Second stage	35.4 lbf⋅ft35.4 lbf⋅ft48 N⋅m

expand_moreCooling system

expand_moreCoolant pump


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

expand_moreCylinder head

expand_moreCamshaft bearing


All other modifications	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
helically from the inside out

expand_moreCylinder head screws

expand_moreAll other modifications


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screws.
Second stage	90°90°90°
Third stage	90°90°90°

expand_moreValve cover


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

expand_moreEngine block

expand_moreConnecting rod bearing

expand_moreAll other modifications


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws and nuts.
Second stage	100°100°100°
Third stage	25°25°25°

expand_moreCrankshaft central screws


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

expand_moreCrankshaft pulley


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

expand_moreFlywheel

expand_moreAll other modifications


First stage	62.69 lbf⋅ft62.69 lbf⋅ft85 N⋅m
Retap thread in holes and use new screws.
Second stage	30°30°30°
Third stage	15°15°15°

expand_moreMain bearing

expand_moreAll other modifications


First stage	28.76 lbf⋅ft28.76 lbf⋅ft39 N⋅m
helically from the inside out
Second stage	60°60°60°
Use new screws.

expand_moreEngine control

expand_moreCamshaft drive belt deflection pulley


All other modifications	59 lbf⋅ft59 lbf⋅ft80 N⋅m

expand_moreCamshaft timing gear


All other modifications	81.87 lbf⋅ft81.87 lbf⋅ft111 N⋅m

expand_moreToothed belt guard


All other modifications	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m

expand_moreToothed belt tensioning roller


All other modifications	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m

expand_moreEngine lubrication

expand_moreOil drain plug


All other modifications	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m
Replace sealing rings.

expand_moreOil filter housing

expand_moreAll other modifications


Oil filter cover	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreOil pump


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

expand_moreOil sump

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


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

expand_moreCrankshaft sensor

expand_moreAll other modifications


At the bracket	3.32 lbf⋅ft3.32 lbf⋅ft4.5 N⋅m

expand_moreGlow plugs


All other modifications	10.33 lbf⋅ft10.33 lbf⋅ft14 N⋅m


Knock sensor	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Lambda sensor	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m

expand_moreEngine mounting

expand_moreAll other modifications

expand_moreOn chassis


Left	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m
Right	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreOn engine bracket


Right	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreSubframe


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

expand_moreSubframe stiffening plate


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

expand_moreTorque arm

expand_moreAt the subframe


Bottom	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
Replace nuts.

expand_moreAt the gearbox


Bottom	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m

expand_moreExhaust system

expand_moreExhaust manifold


All other modifications	50.89 lbf⋅ft50.89 lbf⋅ft69 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 2006 Opel Astra Sedan 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 Astra Sedan 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 2006 Opel Astra Sedan you're not only saving money, but also also improving your technical skills and learning something new.

2006 Opel Astra Sedan generations

In 2006 Opel offered 2 generations of the Astra Sedan. Engine fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.

G facelift

T Platform (T-body, GM2700, GM3000) 1979-2012

2006 Opel Astra Sedan H Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

2006 Opel Astra Sedan generations

G facelift

Opel Astra Sedan H model years

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