For 2012 Astra Hatchback J Opel recommends to use: SAE 70W transmission oils and genuine OEM transmission oil with a part number: 1940004. To select the right transmission oil see the table below.
How much transmission oil you need to put into 2012 Astra Hatchback depends on conditions listed below.
in your garage to make future searches easy.
Condition
Volume
1.3 CDTI with diesel straight-4 1.2 L 94 HP engine (2009.12–)
1.69 US qt.1.41 UK qt.1.6 L
expand_more1.4 LPG with gasoline straight-4 1.4 L 138 HP engine (2012.1–)
expand_more2.0 CDTI with diesel straight-4 2.0 L 158 HP at 4000 RPM, 350 N⋅m at 1750 RPM engine (2009.12–)
expand_moreF40-6 gearbox
Amount to change
1.8 US qt.1.5 UK qt.1.7 L
New filling
1.9 US qt.1.58 UK qt.1.8 L
expand_more2.0 CDTI with diesel straight-4 2.0 L 162 HP engine (2011.6–)
expand_moreF40-6 gearbox
Amount to change
1.8 US qt.1.5 UK qt.1.7 L
New filling
1.9 US qt.1.58 UK qt.1.8 L
expand_moreAll other modifications
expand_moreM32-6 gearbox
Amount to change
2.11 US qt.1.76 UK qt.2 L
New filling
2.32 US qt.1.94 UK qt.2.2 L
Manual transmission oil replacement for your 2012 Opel Astra Hatchback can be done on your driveway. The whole job will take about 30–60 minutes and will save you around $100.
There are two plugs on the transmission - the drain plug at the bottom, and the refill plug on the side. First step is unscrew the refill plug, and then unscrew the drain plug. Use a spanner or a retched with the correct size head. After oil came up screw the drain plug back with a new gasket. Then refill the transmission with new transmission oil.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2012 Opel Astra Hatchback 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.
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 Hatchback 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 Astra Hatchback you're not only saving money, but also also improving your technical skills and learning something new.