2018 Opel Astra Sedan J Transmission Fastener Tightening Specifications
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| Condition | Value |
|---|
| 1.6 CDTi with diesel straight-4 1.6 L 109 HP engine (2014.4–) | 16.23 lbf⋅ft |
| First stage | 110.63 lbf⋅ft |
| Replace nuts. | |
| Second stage | 45° detach |
| Third stage | 184.39 lbf⋅ft |
| Clutch master cylinder | 13.28 lbf⋅ft |
| All Opel gasoline straight-4 1.6 L A 16 XER engines | 11.06 lbf⋅ft |
| Replace screws. Use screw-locking compound. | |
| All Opel gasoline straight-4 1.6 L A 16 XHT engines | 18.44 lbf⋅ft |
| Replace screws. | |
| F17 gearbox | 11.06 lbf⋅ft |
| M32-6 gearbox | 20.65 lbf⋅ft |
| All Opel gasoline straight-4 1.6 L B 16 XER engines | 11.06 lbf⋅ft |
| Replace screws. Use screw-locking compound. | |
| All other modifications | 20.65 lbf⋅ft |
| Replace screws. | |
| All Opel gasoline straight-4 1.6 L A 16 XER engines | 3.69 lbf⋅ft |
| F17 gearbox | 3.69 lbf⋅ft |
| M32-6 gearbox | 4.43 lbf⋅ft |
| All Opel gasoline straight-4 1.6 L B 16 XER engines | 3.69 lbf⋅ft |
| All other modifications | 4.43 lbf⋅ft |
| Replace screws. | |
| M32-6 gearbox | 25.81 lbf⋅ft |
| 1.6 SIDI with gasoline straight-4 1.6 L 168 HP engine (2012.12–) | 25.81 lbf⋅ft |
| 1.6 Turbo with gasoline straight-4 1.6 L 177 HP at 5500 RPM, 230 N⋅m at 2200 RPM engine (2012.6–) | 25.81 lbf⋅ft |
| All other modifications | 14.75 lbf⋅ft |
| 1.6 CDTi with diesel straight-4 1.6 L 109 HP engine (2014.4–) | 14.75 lbf⋅ft |
| 1.6 SIDI with gasoline straight-4 1.6 L 168 HP engine (2012.12–) | 42.78 lbf⋅ft |
| With automatic gearbox | 42.78 lbf⋅ft |
| M10 | 29.5 lbf⋅ft |
| M12 | 44.25 lbf⋅ft |
| M10 | 29.5 lbf⋅ft |
| M12 | 44.25 lbf⋅ft |
| Torque converter | 44.25 lbf⋅ft |
| Replace screws. | |
| 6T30, 6T40, and 6T45 gearboxes | 8.85 lbf⋅ft |
| M32-6 gearbox | 14.75 lbf⋅ft |
| Replace screws. | |
| F17-5 gearbox | 9.59 lbf⋅ft |
| 1.4 Turbo with gasoline straight-4 1.4 L 118 HP at 4800 RPM, 175 N⋅m at 1750 RPM engine (2012.6–) | 22.13 lbf⋅ft |
| 1.4 Turbo with gasoline straight-4 1.4 L 118 HP at 4800 RPM, 175 N⋅m at 1750 RPM engine (2012.6–) | 22.13 lbf⋅ft |
| F17-5 gearbox | 4.43 lbf⋅ft |
| M32-6 gearbox | 22.13 lbf⋅ft |
| Replace screws. | |
| M32-6 gearbox | 22.13 lbf⋅ft |
| F17-5 gearbox | 11.06 lbf⋅ft |
| 6T40 gearbox | 8.85 lbf⋅ft |
| 6T40 and 6T45 gearboxes | 8.85 lbf⋅ft |
| 6T30, 6T40, and 6T45 gearboxes | 8.85 lbf⋅ft |
| F17-5 gearbox | 5.16 lbf⋅ft |
| F17-5 gearbox | 9.59 lbf⋅ft |
| On chassis | 45.73 lbf⋅ft |
| First stage | 36.88 lbf⋅ft |
| Replace screws. | |
| Second stage | 60–75° |
| First stage | 36.88 lbf⋅ft |
| Replace screws. | |
| Second stage | 60–75° |
| First stage | 36.88 lbf⋅ft |
| Second stage | 60–75° |
| On chassis | 45.73 lbf⋅ft |
| First stage | 36.88 lbf⋅ft |
| Replace screws. | |
| Second stage | 60–75° |
| First stage | 36.88 lbf⋅ft |
| Replace screws. | |
| Second stage | 60–75° |
| On chassis | 45.73 lbf⋅ft |
| At the gearbox | 45.73 lbf⋅ft |
| Front | 42.78 lbf⋅ft |
| At the gearbox | 73.76 lbf⋅ft |
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2018 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.
Table of Contents
- Air Conditioning Compressor Oil Capacity
- Air Conditioning Refrigerant Capacity
- Automatic Transmission Fluid Capacity
- Brake Fluid Capacity
- Clutch Fluid Capacity
- Cooling Fluid Capacity
- Engine Oil Capacity
- Fluid and Lubricant Specifications
- Manual Transmission Oil Capacity
- Brake System Specifications
- Chassis Specifications
- Cooling System Specifications
- Electrical System Specifications
- Emission
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 2018 Opel Astra Sedan you're not only saving money, but also also improving your technical skills and learning something new.
2018 Opel Astra Sedan generations
In 2018 Opel offered 2 generations of the Astra Sedan. Transmission fastener tightening specifications may vary in different generations. Be sure that you are looking at the rigt modification.