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Condition Value
expand_moreAir intake system
expand_moreIntake manifold
1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9) 7.38 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.1) 14.75 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1) 14.75 lbf⋅ft
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 14.75 lbf⋅ft
Replace screws and nuts.
expand_more2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1)
Lower section of intake manifold 16.23 lbf⋅ft
Replace screws and nuts.
Upper section of intake manifold 5.9 lbf⋅ft
All other modifications 16.23 lbf⋅ft
Replace screws and nuts.
expand_moreIntake manifold support
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.1) 14.75 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1) 14.75 lbf⋅ft
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 14.75 lbf⋅ft
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1) 14.75 lbf⋅ft
expand_moreAll other modifications
On intake manifold 14.75 lbf⋅ft
Support on cylinder head 25.81 lbf⋅ft
expand_moreAuxiliary assemblies
expand_moreAuxiliary drive belt deflection pulley
All other modifications 25.81 lbf⋅ft
expand_moreAuxiliary drive belt tensioner
expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9)
M10 40.57 lbf⋅ft
M8 14.75 lbf⋅ft
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 18.44 lbf⋅ft
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
Adjusting screws 25.81 lbf⋅ft
Otherwise 18.44 lbf⋅ft
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
With air-conditioning 18.44 lbf⋅ft
2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1) 30.98 lbf⋅ft
2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.9–2005.1) 30.98 lbf⋅ft
All other modifications 25.81 lbf⋅ft
expand_moreAir-conditioning compressor
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.1) 25.81 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1) 25.81 lbf⋅ft
expand_more1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.1)
Front 25.81 lbf⋅ft
Rear 14.75 lbf⋅ft
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 25.81 lbf⋅ft
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 25.81 lbf⋅ft
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1) 25.81 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreAir-conditioning compressor bracket
All Opel diesel straight-4 1.7 L X 17 DTL engines 29.5 lbf⋅ft
All Opel gasoline straight-4 2.0 L X 20 XEV engines 14.75 lbf⋅ft
All other modifications 25.81 lbf⋅ft
expand_moreAir-conditioning compressor pressure line
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.1) 16.23 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1) 16.23 lbf⋅ft
All other modifications 14.75 lbf⋅ft
Replace sealing rings.
expand_moreAlternator
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
Bottom 25.81 lbf⋅ft
Top 14.75 lbf⋅ft
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
Bottom 18.44 lbf⋅ft
Top 25.81 lbf⋅ft
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 14.75 lbf⋅ft
All other modifications 25.81 lbf⋅ft
expand_moreGenerator bracket
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 13.28 lbf⋅ft
All other modifications 25.81 lbf⋅ft
expand_morePower steering pump bracket
At the subframe 16.23 lbf⋅ft
expand_moreHydraulic lines at the servo-steering pump
Manufacturer Delphi 19.91 lbf⋅ft
Manufacturer TRW 22.13 lbf⋅ft
expand_moreServo steering pump
At the bracket 5.16 lbf⋅ft
expand_moreVacuum pump
All Opel diesel straight-4 1.7 L X 17 DTL engines 20.65 lbf⋅ft
expand_moreCarburetion
Injection pump drive wheel 20.65 lbf⋅ft
expand_moreExhaust gas return cooler
expand_moreExhaust gas return valve
All Opel gasoline straight-4 1.2 L X 12 XE engines 5.9 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreExhaust recirculation pipe
All Opel gasoline straight-4 1.2 L X 12 XE engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.8 L X 18 XE1 engines 7.38 lbf⋅ft
expand_moreFuel-distributing pipe
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 2.95 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreHigh-pressure line
expand_moreHigh-pressure pump pulley
expand_moreInjection hoses
All Opel diesel straight-4 1.7 L X 17 DTL engines 18.44 lbf⋅ft
All other modifications 22.13 lbf⋅ft
expand_moreInjection nozzle (injector)
All Opel diesel straight-4 1.7 L X 17 DTL engines 51.63 lbf⋅ft
expand_moreAll other modifications
First stage hand-screwed
Second stage 360°
Injection pump 18.44 lbf⋅ft
expand_moreInjection pump pulley
All Opel diesel straight-4 1.7 L X 17 DTL engines 18.44 lbf⋅ft
expand_moreCharging
expand_moreCharge air pipes
Clamps 2.58 lbf⋅ft
expand_moreTurbo charger
All Opel diesel straight-4 1.7 L X 17 DTL engines 22.13 lbf⋅ft
expand_moreTurbocharger oil feed line
At the turbocharger 22.13 lbf⋅ft
On the engine block 14.75 lbf⋅ft
expand_moreTurbocharger oil return line
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
At the turbocharger 5.9 lbf⋅ft
expand_moreCooling system
expand_moreCoolant drain plug
Coolant pump 14.75 lbf⋅ft
expand_moreCoolant pump
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 18.44 lbf⋅ft
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1) 18.44 lbf⋅ft
2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1) 14.75 lbf⋅ft
2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.9–2005.1) 14.75 lbf⋅ft
All other modifications 5.9 lbf⋅ft
Use new screws with the screw- locking compound.
expand_moreCoolant pump pulley
All other modifications 14.75 lbf⋅ft
Fan wheel 3.69 lbf⋅ft
expand_moreRadiator mounting
Bottom 11.06 lbf⋅ft
expand_moreCylinder head
expand_moreCamshaft bearing
2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1) 11.06 lbf⋅ft
2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.9–2005.1) 11.06 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreCylinder head screws
expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9)
Figure 1. Cylinder head, Cylinder head screws, 1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9).
Figure 1. Cylinder head, Cylinder head screws, 1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9).
First stage 18.44 lbf⋅ft
Use new screws See figure 1.
Second stage 60°
Third stage 60°
Fourth stage 60°
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
First stage 18.44 lbf⋅ft
Replace screws. See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 90°
Fifth stage 45°
expand_more1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.1)
First stage 18.44 lbf⋅ft
Use new screws See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 90°
Fifth stage 45°
expand_more1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9)
First stage 18.44 lbf⋅ft
Use new screws.
Second stage 60°
Third stage 60°
Fourth stage 60°
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
First stage 18.44 lbf⋅ft
Use new screws See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 45°
Fifth stage Test run
Sixth stage 30°
Seventh stage 15°
expand_more1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9)
First stage 18.44 lbf⋅ft
Use new screws See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 90°
Fifth stage 45°
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
First stage 18.44 lbf⋅ft
Use new screws See figure 1.
Second stage 90°
Third stage 90°
Fourth stage 90°
Fifth stage 15°
expand_moreAll other modifications
First stage 18.44 lbf⋅ft
Use new screws.
Second stage 65°
Third stage 65°
Fourth stage 65°
Fifth stage 65°
Sixth stage 15°
expand_moreValve cover
All other modifications 5.9 lbf⋅ft
expand_moreEngine block
expand_moreConnecting rod bearing
expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9)
expand_moreM6
First stage 7.38 lbf⋅ft
Second stage 60°
Third stage 15°
expand_moreM6,5
First stage 9.59 lbf⋅ft
Second stage 60°
Third stage 15°
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
First stage 18.44 lbf⋅ft
Second stage 30°
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
First stage 25.81 lbf⋅ft
Second stage 45°
Third stage 15°
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
First stage 25.81 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
expand_more2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1)
First stage 25.81 lbf⋅ft
Second stage 45°
Third stage 15°
expand_moreAll other modifications
First stage 18.44 lbf⋅ft
Replace screws and nuts.
Second stage 30°
expand_moreCrankcase ventilation
Crankcase ventilation pipe 5.9 lbf⋅ft
Use new seals.
expand_moreCrankshaft central screws
expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9)
First stage 110.63 lbf⋅ft
Replace screws and nuts.
Second stage 45°
expand_more1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9)
First stage 70.07 lbf⋅ft
Replace screws.
Second stage 30°
Third stage 15°
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
First stage 95.88 lbf⋅ft
Use new screw.
Second stage 4050°
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
First stage 95.88 lbf⋅ft
Use new screw.
Second stage 4050°
expand_more2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1)
First stage 110.63 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
expand_moreAll other modifications
First stage 70.07 lbf⋅ft
Use new screw.
Second stage 45°
Third stage 15°
expand_moreCrankshaft pulley
All Opel gasoline straight-4 1.2 L X 12 XE engines 5.9 lbf⋅ft
All Opel gasoline straight-4 1.8 L X 18 XE1 engines 44.25 lbf⋅ft
Use new screw.
All other modifications 14.75 lbf⋅ft
expand_moreFlywheel
expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9)
First stage 25.81 lbf⋅ft
Replace screws and nuts.
Second stage 30°
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
First stage 25.81 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
First stage 47.94 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
expand_more1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9)
First stage 25.81 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
First stage 47.94 lbf⋅ft
Replace screws. Use screw-locking compound.
Second stage 30°
Third stage 15°
expand_more2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1)
First stage 33.19 lbf⋅ft
Replace screws and nuts.
Second stage 30°
Third stage 15°
expand_moreAll other modifications
First stage 25.81 lbf⋅ft
Second stage 30°
Third stage 15°
expand_moreMain bearing
expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9)
expand_moreM6
First stage 7.38 lbf⋅ft
Second stage 60°
expand_moreM8
First stage 18.44 lbf⋅ft
Second stage 60°
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
First stage 36.88 lbf⋅ft
Second stage 45°
Third stage 15°
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
First stage 36.88 lbf⋅ft
Second stage 45°
Third stage 15°
expand_more2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1)
First stage 66.38 lbf⋅ft
Replace screws and nuts.
Second stage 60°
Third stage 15°
expand_moreAll other modifications
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 45°
Third stage 15°
expand_moreEngine control
expand_moreCamshaft drive belt deflection pulley
expand_moreAll other modifications
Inlet camshaft 18.44 lbf⋅ft
Outlet camshaft 18.44 lbf⋅ft
expand_moreCamshaft timing chain guide rail
All other modifications 5.9 lbf⋅ft
Camshaft timing chain slip rail 5.9 lbf⋅ft
Use screw-locking compound.
Camshaft timing chain tensioner 5.9 lbf⋅ft
expand_moreCamshaft timing chain tensioning rail
All other modifications 14.75 lbf⋅ft
expand_moreCamshaft timing gear
expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9)
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 60°
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 33.19 lbf⋅ft
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
First stage 55.32 lbf⋅ft
Replace screws.
Second stage 6065°
expand_more2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1)
First stage 66.38 lbf⋅ft
Replace screws and nuts.
Second stage 60°
Third stage 30°
expand_moreAll other modifications
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 60°
Third stage 15°
expand_moreChain tensioner
All other modifications 5.9 lbf⋅ft
Chain tensioner locking screws 44.25 lbf⋅ft
Control drive chain guide rail 5.9 lbf⋅ft
expand_moreInlet camshaft wheel
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 60°
Third stage 15°
expand_moreOutlet camshaft wheel
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
First stage 36.88 lbf⋅ft
Replace screws and nuts.
Second stage 60°
Third stage 15°
expand_moreTiming case cover
M10 25.81 lbf⋅ft
M6 5.9 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreToothed belt guard at the bottom
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1) 4.43 lbf⋅ft
All other modifications 2.95 lbf⋅ft
expand_moreToothed belt guard at the top
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1) 4.43 lbf⋅ft
All other modifications 2.95 lbf⋅ft
expand_moreToothed belt tensioning roller
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 18.44 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreToothed belt tightener
All Opel gasoline straight-4 1.8 L X 18 XE1 engines 14.75 lbf⋅ft
expand_moreEngine lubrication
expand_moreOil cooler
All Opel diesel straight-4 1.7 L X 17 DTL engines 3.69 lbf⋅ft
expand_moreOil cooler lines
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 22.13 lbf⋅ft
expand_moreOil drain plug
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
Torx screws 10.33 lbf⋅ft
With hexagon-head screws 33.19 lbf⋅ft
1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.1) 33.19 lbf⋅ft
1.6 16V with gasoline straight-4 1.6 L 99 HP at 6000 RPM, 150 N⋅m at 3600 RPM engine (1998.9–2005.1) 33.19 lbf⋅ft
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 40.57 lbf⋅ft
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
One-part sump 33.19 lbf⋅ft
Two-part oil sump 7.38 lbf⋅ft
expand_more1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9)
Torx screws 10.33 lbf⋅ft
With hexagon-head screws 33.19 lbf⋅ft
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
Torx screws 7.38 lbf⋅ft
With hexagon-head screws 33.19 lbf⋅ft
All other modifications 7.38 lbf⋅ft
expand_moreOil filter
All other modifications 11.06 lbf⋅ft
Slightly oil sealing lips.
expand_moreOil filter housing
On the engine block 14.75 lbf⋅ft
On the engine block 33.19 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreOil lines
At the turbocharger 14.75 lbf⋅ft
expand_moreOil pressure sensor
1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9) 14.75 lbf⋅ft
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 29.5 lbf⋅ft
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1) 29.5 lbf⋅ft
All other modifications 22.13 lbf⋅ft
expand_moreOil pump
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.1) 7.38 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1) 7.38 lbf⋅ft
1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.1) 7.38 lbf⋅ft
1.6 16V with gasoline straight-4 1.6 L 99 HP at 6000 RPM, 150 N⋅m at 3600 RPM engine (1998.9–2005.1) 7.38 lbf⋅ft
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 7.38 lbf⋅ft
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 7.38 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreOil pump chain wheel
expand_moreOil sump
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
At the gearbox 14.75 lbf⋅ft
On the engine block 7.38 lbf⋅ft
1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.1) 5.9 lbf⋅ft
Clean the thread and use screw-locking compound.
1.6 16V with gasoline straight-4 1.6 L 99 HP at 6000 RPM, 150 N⋅m at 3600 RPM engine (1998.9–2005.1) 5.9 lbf⋅ft
Clean the thread and use screw-locking compound.
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 5.9 lbf⋅ft
Clean the thread and use screw-locking compound.
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
One-part sump 5.9 lbf⋅ft
expand_moreOtherwise
expand_moreOil sump lower part
First stage 5.9 lbf⋅ft
Second stage 30°
expand_moreOil sump top part
At the gearbox 29.5 lbf⋅ft
On the engine block 14.75 lbf⋅ft
expand_more1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9)
At the gearbox 29.5 lbf⋅ft
On the engine block 7.38 lbf⋅ft
Clean the thread and use screw-locking compound.
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
At the gearbox 29.5 lbf⋅ft
Oil sump lower part 14.75 lbf⋅ft
Oil sump top part 14.75 lbf⋅ft
Clean the thread and use screw-locking compound.
expand_more2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1)
expand_moreAt the gearbox
M10 29.5 lbf⋅ft
M8 14.75 lbf⋅ft
On the engine block 14.75 lbf⋅ft
expand_moreAll other modifications
At the gearbox 29.5 lbf⋅ft
On the engine block 7.38 lbf⋅ft
expand_moreEngine management
expand_moreCamshaft sensor
All other modifications 4.43 lbf⋅ft
expand_moreCrankshaft sensor
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.1) 7.38 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1) 7.38 lbf⋅ft
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 7.38 lbf⋅ft
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 7.38 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreGlow plugs
All Opel diesel straight-4 1.7 L X 17 DTL engines 14.75 lbf⋅ft
All other modifications 7.38 lbf⋅ft
expand_moreKnock sensor
1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.1) 9.59 lbf⋅ft
1.6 16V with gasoline straight-4 1.6 L 99 HP at 6000 RPM, 150 N⋅m at 3600 RPM engine (1998.9–2005.1) 9.59 lbf⋅ft
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 9.59 lbf⋅ft
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1) 9.59 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreLambda sensor
1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9) 29.5 lbf⋅ft
Use assembly paste
All other modifications 22.13 lbf⋅ft
expand_moreEngine mounting
expand_moreEngine bracket
All Opel diesel straight-4 1.7 L X 17 DTL engines 40.57 lbf⋅ft
expand_moreAll other modifications
On engine mounting 40.57 lbf⋅ft
expand_moreEngine mounting
expand_more1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9)
expand_moreAt the axle support
Front 40.57 lbf⋅ft
expand_moreOn chassis
Right 25.81 lbf⋅ft
On engine bracket 40.57 lbf⋅ft
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 25.81 lbf⋅ft
expand_moreAll other modifications
On chassis 25.81 lbf⋅ft
Replace screws.
On engine bracket 40.57 lbf⋅ft
Replace screws.
expand_moreSubframe
First stage 66.38 lbf⋅ft
Replace screws.
Second stage 45°
Third stage 15°
expand_moreExhaust system
expand_moreCatalytic converter
1.2 16V with gasoline straight-4 1.2 L 64 HP at 5600 RPM, 110 N⋅m at 4000 RPM engine (1998.9–2000.9) 25.81 lbf⋅ft
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 18.44 lbf⋅ft
All other modifications 33.19 lbf⋅ft
expand_moreExhaust manifold
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
X14XE engine 16.23 lbf⋅ft
Replace screws and nuts.
Z14XE engine 8.85 lbf⋅ft
Replace screws and nuts.
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 21.39 lbf⋅ft
Replace screws and nuts.
All other modifications 16.23 lbf⋅ft
Replace screws and nuts.
expand_moreExhaust manifold heat shields
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 7.38 lbf⋅ft
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 5.9 lbf⋅ft
All other modifications 7.388.85 lbf⋅ft
expand_moreExhaust pipe
expand_more1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9)
Collar screws 25.81 lbf⋅ft
Nuts 33.19 lbf⋅ft
1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8) 18.44 lbf⋅ft
1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9) 14.7518.44 lbf⋅ft
2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1) 18.44 lbf⋅ft
All other modifications 14.75 lbf⋅ft
expand_moreExhaust pipe rear
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.1) 14.75 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1) 14.75 lbf⋅ft
1.6 with gasoline straight-4 1.6 L 74 HP at 5200 RPM, 128 N⋅m at 2800 RPM engine (1998.9–2000.9) 14.75 lbf⋅ft
All other modifications 5.9 lbf⋅ft
expand_moreFuel supply
Fuel filter housing 4.43 lbf⋅ft
expand_moreFuel lines
expand_more1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1)
On fuel-distributing pipe 11.06 lbf⋅ft
All other modifications 11.06 lbf⋅ft
expand_moreIgnition system
expand_moreSpark plugs
All other modifications 18.44 lbf⋅ft
expand_moreStart system
expand_moreStarter
1.4 16V with gasoline straight-4 1.4 L 89 HP at 6000 RPM, 125 N⋅m at 4000 RPM engine (1998.9–2005.1) 29.5 lbf⋅ft
1.4 16V with gasoline straight-4 1.4 L 89 HP engine (1998.9–2005.1) 29.5 lbf⋅ft
expand_more1.6 16V with gasoline straight-4 1.6 L 99 HP at 5800 RPM, 135 N⋅m at 3400 RPM engine (1998.9–2005.1)
Bottom 18.44 lbf⋅ft
Top 29.5 lbf⋅ft
expand_more1.7 TD with diesel straight-4 1.7 L 67 HP at 4500 RPM, 132 N⋅m at 2400 RPM engine (1998.9–2000.8)
At the gearbox 44.25 lbf⋅ft
On the engine block 33.19 lbf⋅ft
expand_more1.8 16V with gasoline straight-4 1.8 L 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine (1998.9–2000.9)
At the gearbox 29.5 lbf⋅ft
On the engine block 18.44 lbf⋅ft
expand_more2.0 16V with gasoline straight-4 2.0 L 134 HP at 5600 RPM, 185 N⋅m at 4000 RPM engine (1998.9–2005.1)
At the gearbox 29.5 lbf⋅ft
On the engine block 33.19 lbf⋅ft
2.0 DI with diesel straight-4 2.0 L 80 HP at 4300 RPM, 185 N⋅m at 1800 RPM engine (1998.9–2005.1) 33.19 lbf⋅ft
2.0 DI with diesel straight-4 2.0 L 80 HP engine (1998.9–2005.1) 33.19 lbf⋅ft
All other modifications 18.44 lbf⋅ft

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1998 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.

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 1998 Opel Astra Sedan you're not only saving money, but also also improving your technical skills and learning something new.

1998 Opel Astra Sedan generations

In 1998 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.

Opel Astra Sedan G model years

Units:
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