For 1998 Astra Sedan F facelift Opel recommends to use: SAE 10W-30, SAE 10W-40, SAE 15W-40, SAE 0W-40, SAE 5W-30, SAE 5W-40, and SAE 10W-60 and genuine OEM consumables with following part numbers: 90001777, and 90188629. To select the right part or fluid see the table below.
Opel recommendations and specifications for oil and fluid for 1998 Astra Sedan.
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.
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. Fluid and lubricant specifications may vary in different generations. Be sure that you are looking at the rigt modification.