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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
All Opel gasoline straight-4 1.4 L A 14 NEL engines 14.75 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 14.75 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTH engines 16.23 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTR engines 16.23 lbf⋅ft
All other modifications 18.44 lbf⋅ft
Tighten screws from the inside outwards.
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt deflection pulley
All Opel gasoline straight-4 1.6 L A 16 SHT engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L A 16 XHT engines 18.44 lbf⋅ft
On the engine block 16.23 lbf⋅ft
Otherwise 36.88 lbf⋅ft
All Opel gasoline straight-4 1.6 L B 16 SHT engines 18.44 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
M10 40.57 lbf⋅ft
M8 16.23 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTH engines 16.23 lbf⋅ft
All other modifications 40.57 lbf⋅ft
Air-conditioning compressor 16.23 lbf⋅ft
Air-conditioning compressor bracket 36.88 lbf⋅ft
Air-conditioning compressor pressure line 14.01 lbf⋅ft
expand_moreAlternator
All Opel gasoline straight-4 1.4 L A 14 NEL engines 25.81 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 25.81 lbf⋅ft
All other modifications 16.23 lbf⋅ft
Vacuum pump 7.38 lbf⋅ft
expand_moreCarburetion
Fuel-distributing pipe 7.38 lbf⋅ft
expand_moreHigh-pressure line
Union nuts 22.13 lbf⋅ft
High-pressure pump 8.11 lbf⋅ft
Screws need to be loosened or tightened in steps of 180°.
Injection nozzle (injector) 3.69 lbf⋅ft
Replace screws.
expand_moreCharging
expand_moreTurbo charger
At the cylinder head 14.75 lbf⋅ft
tighten gradually cross-wise
expand_moreOn exhaust manifold
First stage 11.06 lbf⋅ft
Second stage 20.65 lbf⋅ft
At the cylinder head 24.34 lbf⋅ft
Replace nuts.
expand_moreAll other modifications
At the cylinder head 5.9 lbf⋅ft
Turbocharger bracket 18.44 lbf⋅ft
expand_moreTurbocharger coolant feed line
Banjo screws 14.75 lbf⋅ft
expand_moreTurbocharger coolant return line
Pressure tube connection 17.7 lbf⋅ft
expand_moreTurbocharger oil feed line
Pressure tube connection 17.7 lbf⋅ft
Turbocharger oil return line 7.38 lbf⋅ft
expand_moreCooling system
Coolant drain plug 5.16 lbf⋅ft
expand_moreCoolant pump
All Opel gasoline straight-4 1.4 L A 14 NEL engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 5.9 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTH engines 18.44 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTR engines 18.44 lbf⋅ft
All other modifications 6.64 lbf⋅ft
expand_moreCoolant pump pulley
All Opel gasoline straight-4 1.4 L A 14 NEL engines 16.23 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 16.23 lbf⋅ft
All other modifications 6.64 lbf⋅ft
Radiator mounting 18.44 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
All Opel gasoline straight-4 1.4 L A 14 NEL engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 5.9 lbf⋅ft
All other modifications 6.64 lbf⋅ft
expand_moreCylinder head screws
Figure 1. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.4 L A 14 NET.
Figure 1. Cylinder head, Cylinder head screws, Opel gasoline straight-4 1.4 L A 14 NET.
First stage 25.81 lbf⋅ft
Replace screws. See figure 1.
Second stage 180°
expand_moreRibe screws
Figure 2. Cylinder head, Cylinder head screws, Opel diesel straight-4 2.0 L A 20 DTH, Ribe screws.
Figure 2. Cylinder head, Cylinder head screws, Opel diesel straight-4 2.0 L A 20 DTH, Ribe screws.
First stage 14.75 lbf⋅ft
Replace screws. See figure 2.
Second stage 47.94 lbf⋅ft
Third stage 90°
Fourth stage 90°
Fifth stage 90°
expand_moreTorx screws
First stage 14.75 lbf⋅ft
Replace screws. See figure 2.
Second stage 47.94 lbf⋅ft
Third stage 90°
Fourth stage 90°
Fifth stage 90°
Sixth stage 90°
expand_moreAll other modifications
Figure 3. Cylinder head, Cylinder head screws, All other modifications.
Figure 3. Cylinder head, Cylinder head screws, All other modifications.
First stage 18.44 lbf⋅ft
Replace screws. See figure 3.
Second stage 90°
Third stage 90°
Fourth stage 90°
Fifth stage 15°
expand_moreValve cover
All Opel gasoline straight-4 1.4 L A 14 NEL engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 5.9 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTH engines 18.44 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTR engines 18.44 lbf⋅ft
All other modifications 7.38 lbf⋅ft
Note correct order of tensioning.
expand_moreEngine block
expand_moreConnecting rod bearing
First stage 18.44 lbf⋅ft
Replace screws.
Second stage 45°
First stage 18.44 lbf⋅ft
Replace screws.
Second stage 60°
expand_moreAll other modifications
First stage 33.19 lbf⋅ft
Replace screws.
Second stage 60°
expand_moreCrankshaft central screws
First stage 110.63 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
All Opel diesel straight-4 2.0 L A 20 DTH engines 250.77 lbf⋅ft
Left-hand thread
All Opel diesel straight-4 2.0 L A 20 DTR engines 250.77 lbf⋅ft
Left-hand thread
expand_moreAll other modifications
First stage 184.39 lbf⋅ft
Replace screws.
Second stage 60°
Crankshaft pulley 18.44 lbf⋅ft
expand_moreFlywheel
First stage 29.5 lbf⋅ft
Replace screws.
Second stage 60°
Tighten cross-wise.
First stage 29.5 lbf⋅ft
Replace screws.
Second stage 60°
All Opel diesel straight-4 2.0 L A 20 DTH engines 118.01 lbf⋅ft
Replace screws.
All Opel diesel straight-4 2.0 L A 20 DTR engines 118.01 lbf⋅ft
Replace screws.
expand_moreAll other modifications
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
expand_moreMain bearing
expand_moreM10
First stage 36.88 lbf⋅ft
Replace screws.
Second stage 120°
Third stage 15°
expand_moreM8
Fourth stage 18.44 lbf⋅ft
First stage 18.44 lbf⋅ft
Second stage 100°
expand_moreEngine control
Bottom part of the control unit housing 7.38 lbf⋅ft
expand_moreCamshaft drive belt deflection pulley
expand_more2.0 CDTI with diesel straight-4 2.0 L 192 HP engine (2013.3–)
Bottom 36.88 lbf⋅ft
Top 36.88 lbf⋅ft
expand_moreCamshaft timing chain guide rail
All Opel gasoline straight-4 1.4 L A 14 NEL engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 5.9 lbf⋅ft
Left 14.01 lbf⋅ft
Right 5.16 lbf⋅ft
expand_moreCamshaft timing chain tensioner
All Opel gasoline straight-4 1.4 L A 14 NEL engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.6 L A 16 XHT engines 7.38 lbf⋅ft
Camshaft timing chain tensioning rail 14.75 lbf⋅ft
Camshaft timing gear 88.51 lbf⋅ft
Control drive chain guide rail 5.16 lbf⋅ft
Control drive chain tensioner 7.38 lbf⋅ft
Control drive chain tensioning rail 14.01 lbf⋅ft
Control drive timing chain slip rail 5.16 lbf⋅ft
expand_moreInlet camshaft wheel
First stage 36.88 lbf⋅ft
Replace screws.
Second stage 60°
expand_moreAll other modifications
First stage 47.94 lbf⋅ft
Replace screws.
Second stage 120135°
expand_moreOutlet camshaft wheel
First stage 36.88 lbf⋅ft
Replace screws.
Second stage 60°
expand_moreAll other modifications
First stage 47.94 lbf⋅ft
Replace screws.
Second stage 120135°
expand_moreTiming case cover
M10 25.81 lbf⋅ft
M6 5.9 lbf⋅ft
M10 25.81 lbf⋅ft
M6 7.38 lbf⋅ft
Toothed belt guard 6.64 lbf⋅ft
Toothed belt tensioning roller 18.44 lbf⋅ft
expand_moreTop part of control unit housing
M10 25.81 lbf⋅ft
M6 7.38 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil cooler
All Opel gasoline straight-4 1.6 L A 16 SHT engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L A 16 XHT engines 7.38 lbf⋅ft
All Opel gasoline straight-4 1.6 L B 16 SHT engines 18.44 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreOil drain plug
All Opel diesel straight-4 2.0 L A 20 DTH engines 14.75 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTR engines 14.75 lbf⋅ft
All other modifications 10.33 lbf⋅ft
Use new screw.
expand_moreOil filter
Oil filter cover 18.44 lbf⋅ft
expand_moreOil filter housing
On the engine block 16.23 lbf⋅ft
Replace sealing rings.
All Opel gasoline straight-4 1.6 L A 16 XHT engines 16.23 lbf⋅ft
All other modifications 14.75 lbf⋅ft
Oil pressure sensor 25.81 lbf⋅ft
Oil pump 7.38 lbf⋅ft
expand_moreOil sump
At the gearbox 42.78 lbf⋅ft
On the engine block 7.38 lbf⋅ft
M6 6.64 lbf⋅ft
M8 18.44 lbf⋅ft
All other modifications 7.38 lbf⋅ft
expand_moreEngine management
expand_moreCamshaft sensor
All Opel gasoline straight-4 1.4 L A 14 NEL engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 5.9 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTH engines 6.64 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTR engines 6.64 lbf⋅ft
All other modifications 7.38 lbf⋅ft
expand_moreCrankshaft sensor
All Opel gasoline straight-4 1.4 L A 14 NEL engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 5.9 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTH engines 6.64 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTR engines 6.64 lbf⋅ft
All other modifications 7.38 lbf⋅ft
Exhaust gas temperature sensor 33.19 lbf⋅ft
expand_moreKnock sensor
All Opel gasoline straight-4 1.6 L A 16 SHT engines 16.23 lbf⋅ft
All Opel gasoline straight-4 1.6 L A 16 XHT engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L B 16 SHT engines 16.23 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreLambda sensor
All Opel diesel straight-4 2.0 L A 20 DTH engines 33.19 lbf⋅ft
All Opel diesel straight-4 2.0 L A 20 DTR engines 33.19 lbf⋅ft
All other modifications 30.98 lbf⋅ft
expand_moreEngine mounting
expand_moreEngine bracket
expand_moreOn the engine block
M10 36.88 lbf⋅ft
M8 18.44 lbf⋅ft
All other modifications 45.73 lbf⋅ft
expand_moreEngine mounting
Nuts on the chassis 45.73 lbf⋅ft
Screws on the chassis 45.73 lbf⋅ft
expand_moreOn engine bracket
First stage 36.88 lbf⋅ft
Second stage 60°
expand_moreAll other modifications
First stage 44.25 lbf⋅ft
Replace screws.
Second stage 4560°
expand_moreRight
First stage 36.88 lbf⋅ft
Replace screws.
Second stage 6075°
expand_moreTorque arm
expand_moreAt the subframe
Front 73.76 lbf⋅ft
Rear 81.13 lbf⋅ft
expand_moreAt the gearbox
Front 73.76 lbf⋅ft
expand_moreOnto torque support bracket
Rear 73.76 lbf⋅ft
expand_moreTorque support bracket
At the gearbox 73.76 lbf⋅ft
expand_moreExhaust system
Catalytic converter 42.78 lbf⋅ft
Replace nuts.
Catalytic converter bracket 16.23 lbf⋅ft
expand_moreExhaust manifold
All Opel gasoline straight-4 1.6 L A 16 SHT engines 18.44 lbf⋅ft
Replace screws.
All Opel gasoline straight-4 1.6 L B 16 SHT engines 18.44 lbf⋅ft
Replace screws.
All other modifications 14.75 lbf⋅ft
Exhaust manifold heat shields 7.38 lbf⋅ft
Exhaust pipe 16.23 lbf⋅ft
Exhaust pipe rear 16.23 lbf⋅ft
expand_moreIgnition system
Spark plugs 18.44 lbf⋅ft
expand_moreStart system
expand_moreStarter
All Opel gasoline straight-4 1.4 L A 14 NEL engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.4 L A 14 NET engines 18.44 lbf⋅ft
All Opel gasoline straight-4 1.6 L A 16 SHT engines 16.23 lbf⋅ft
All Opel gasoline straight-4 1.6 L B 16 SHT engines 16.23 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2026 Opel Cascada 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 Cascada 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 2026 Opel Cascada you're not only saving money, but also also improving your technical skills and learning something new.

Units:
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