2012 Opel Adam engine fastener tightening specifications

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Condition	Value

expand_moreAir intake system

expand_moreIntake manifold


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

expand_moreAuxiliary assemblies


Auxiliary drive belt deflection pulley	14.01–18.44 lbf⋅ft14.01–18.44 lbf⋅ft19–25 N⋅m

expand_moreAuxiliary drive belt tensioner

expand_moreAll other modifications


M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAuxiliary drive belt tensioner


M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAir-conditioning compressor


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreAir-conditioning compressor bracket


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 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


Alternator pulley	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Generator bracket	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m

expand_moreCarburetion


Exhaust gas return cooler	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Exhaust gas return valve	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Exhaust recirculation pipe	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreFuel-distributing pipe


All other modifications	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.


High-pressure line	22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
High-pressure pump	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
tighten gradually cross-wise
Injection nozzle (injector)	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Replace screws.

expand_moreCharging


Turbo charger	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreTurbocharger bracket

expand_moreOn gearbox case


Bottom	36.14 lbf⋅ft36.14 lbf⋅ft49 N⋅m
Top	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreCooling system


Coolant drain plug	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreCoolant pump


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


Coolant pump pulley	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Fan wheel	5.16–6.64 lbf⋅ft5.16–6.64 lbf⋅ft7–9 N⋅m
Radiator mounting	7.38 lbf⋅ft7.38 lbf⋅ft10 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 Opel gasoline straight-4 1.2 L A 12 XEL engines

Figure 1. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.2 L A 12 XEL.


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
See figure 1.
Second stage	180°180°180°

expand_moreAll other modifications


First stage	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
Use new screws. See figure 1.
Second stage	180°180°180°

expand_moreValve cover


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

expand_moreEngine block

expand_moreBalance shaft gear wheel


First stage	36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
Use new screw.
Second stage	150°150°150°

expand_moreBalance shaft module

expand_moreScrews 1 – 5

Figure 2. Engine block, Balance shaft module, Screws 1 – 5.


First stage	Screw in screw(s) finger tight.
See figure 2.
Second stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m

expand_moreScrews 7


Third stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Fourth stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreConnecting rod bearing

expand_moreAll other modifications


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Replace screws.
Second stage	45°45°45°


Crankcase ventilation	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreCrankshaft central screws

expand_moreAll other modifications


First stage	110.63 lbf⋅ft110.63 lbf⋅ft150 N⋅m
Replace screws.
Second stage	45°45°45°

expand_moreFlywheel

expand_moreAll other modifications


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

expand_moreMain bearing

expand_moreAll Opel gasoline straight-4 1.2 L A 12 XEL engines

expand_moreM6


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Use new screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreM8


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreAll other modifications

expand_moreM6


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreM8


First stage	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Use new screws.
Second stage	60°60°60°
Third stage	15°15°15°

expand_moreEngine control


Balance shaft timing chain guide rail	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Bottom part of the control unit housing	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m
Camshaft timing chain guide rail	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Camshaft timing chain tensioner	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Camshaft timing chain tensioning rail	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreCentral part of control unit housing


First stage	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m
Second stage	42.78 lbf⋅ft42.78 lbf⋅ft58 N⋅m


Control drive chain guide rail	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Control drive chain tensioner	18.44 lbf⋅ft18.44 lbf⋅ft25 N⋅m
Control unit for intake valve timing	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
Drive chain balance shaft tensioner	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreInlet camshaft wheel

expand_moreAll Opel gasoline straight-4 1.2 L A 12 XEL engines


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

expand_moreAll other modifications


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

expand_moreOutlet camshaft wheel

expand_moreAll Opel gasoline straight-4 1.2 L A 12 XEL engines


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

expand_moreAll other modifications


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

expand_moreTiming case cover

expand_moreAll Opel gasoline straight-4 1.2 L A 12 XEL engines


M10	25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
M6	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m

expand_moreAll other modifications


M10	40.57 lbf⋅ft40.57 lbf⋅ft55 N⋅m
M8	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Top part of control unit housing	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreEngine lubrication


Oil cooler	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m

expand_moreOil drain plug


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

expand_moreOil filter


All other modifications	16.23–18.44 lbf⋅ft16.23–18.44 lbf⋅ft22–25 N⋅m

expand_moreOil filter housing


On the engine block	14.75 lbf⋅ft14.75 lbf⋅ft20 N⋅m

expand_moreOil pressure sensor


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

expand_moreOil pump


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

expand_moreOil pump chain wheel


First stage	7.38 lbf⋅ft7.38 lbf⋅ft10 N⋅m
Replace screws.
Second stage	60°60°60°

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 Opel gasoline straight-4 1.2 L A 12 XEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All Opel gasoline straight-4 1.2 L B 12 XEL engines	5.9 lbf⋅ft5.9 lbf⋅ft8 N⋅m
All other modifications	4.43 lbf⋅ft4.43 lbf⋅ft6 N⋅m


Charge air pressure sensor	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreCrankshaft sensor


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

expand_moreKnock sensor


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

expand_moreLambda sensor


All Opel gasoline straight-4 1.2 L A 12 XEL engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All Opel gasoline straight-4 1.2 L B 12 XEL engines	29.5 lbf⋅ft29.5 lbf⋅ft40 N⋅m
All other modifications	30.98 lbf⋅ft30.98 lbf⋅ft42 N⋅m

expand_moreEngine mounting

expand_moreEngine bracket

expand_moreOn engine mounting


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Second stage	45–60°45–60°45–60°

expand_moreEngine mounting


On chassis	44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
Replace screws.

expand_moreOn engine bracket


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Replace screws.
Second stage	60°60°60°

expand_moreSubframe


First stage	66.38 lbf⋅ft66.38 lbf⋅ft90 N⋅m
Second stage	45–60°45–60°45–60°

expand_moreTorque arm


First stage	59 lbf⋅ft59 lbf⋅ft80 N⋅m
Second stage	45–60°45–60°45–60°

expand_moreExhaust system

expand_moreCatalytic converter


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m


Catalytic converter bracket	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m

expand_moreExhaust manifold


All other modifications	16.23 lbf⋅ft16.23 lbf⋅ft22 N⋅m
Replace nuts.

expand_moreExhaust manifold heat shields


All other modifications	6.64 lbf⋅ft6.64 lbf⋅ft9 N⋅m

expand_moreExhaust pipe


All other modifications	12.54 lbf⋅ft12.54 lbf⋅ft17 N⋅m

expand_moreExhaust pipe rear

expand_moreAll other modifications


Clamps	11.06 lbf⋅ft11.06 lbf⋅ft15 N⋅m

expand_moreFuel supply

expand_moreFuel filter bracket


LPG	3.69 lbf⋅ft3.69 lbf⋅ft5 N⋅m

expand_moreIgnition system

expand_moreSpark plugs


All other modifications	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 2012 Opel Adam 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 Adam 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 2012 Opel Adam you're not only saving money, but also also improving your technical skills and learning something new.

2012 Opel Adam First generation Engine Fastener Tightening Specifications

Table of Contents

Conquer your fears and never give up!

Opel Adam First generation model years

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