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)
F17 gearbox
13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
Replace sealing rings.
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)
F13 and F17 gearboxes
13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
Replace sealing rings.
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)
F17 gearbox
13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
Replace sealing rings.
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)
expand_moreF18 gearbox
Sheet-steel sump
22.13 lbf⋅ft22.13 lbf⋅ft30 N⋅m
expand_moreWith light-alloy oil sump
First stage
13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
Second stage
30°30°30°
expand_moreAll other modifications
F13 gearbox
13.28 lbf⋅ft13.28 lbf⋅ft18 N⋅m
Replace sealing rings.
expand_moreOil control plug
expand_moreF13 gearbox
First stage
2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Second stage
45–135°45–135°45–135°
expand_moreF17 gearbox
First stage
2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Second stage
45–135°45–135°45–135°
expand_moreF18 gearbox
First stage
2.95 lbf⋅ft2.95 lbf⋅ft4 N⋅m
Second stage
45–180°45–180°45–180°
F23 gearbox
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
F35 gearbox
36.88 lbf⋅ft36.88 lbf⋅ft50 N⋅m
expand_moreOil filler screws
All other modifications
25.81 lbf⋅ft25.81 lbf⋅ft35 N⋅m
expand_moreGearbox mounting
Gearbox mounting
44.25 lbf⋅ft44.25 lbf⋅ft60 N⋅m
expand_moreGearbox support
expand_moreAt the gearbox
Rear
59 lbf⋅ft59 lbf⋅ft80 N⋅m
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 1999 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 1999 Opel Astra Sedan you're not only saving money, but also also improving your technical skills and learning something new.