in your garage to make future searches easy.

Condition Value
expand_moreCamber front
RPO code J2U -0°33'+0°45'-0°45'
The maximum allowed difference between left and right is 0°45'
RPO code XJ2 -0°27'+0°45'-0°45'
The maximum allowed difference between left and right is 0°45'
expand_moreCamber rear
RPO code J2U -1°27'+0°30'-0°30'
The maximum allowed difference between left and right is 0°36'
RPO code XJ2 -1°24'+0°30'-0°30'
The maximum allowed difference between left and right is 0°36'
expand_moreCaster front
RPO code J2U 6°54'+0°45'-0°45'
The maximum allowed difference between left and right is 0°45'
RPO code XJ2 6°36'+0°45'-0°45'
The maximum allowed difference between left and right is 0°45'
Conditions for axle measurement Vehicle ready to drive with full
tank.
Front tire pressure 2.3 bar
Rear tire pressure 2.3 bar
Toe-in front (total toe) 0°01'+0°12'-0°12'
expand_moreToe-in rear
RPO code J2U 0°15'+0°24'-0°24'
RPO code XJ2 0°12'+0°24'-0°24'
expand_moreTread front
All Opel diesel straight-4 1.6 L B 16 DTH engines 5.06 ft
All Opel diesel straight-4 1.6 L B 16 DTL engines 5.06 ft
All other modifications 5.21 ft
expand_moreTread rear
All Opel diesel straight-4 1.6 L B 16 DTH engines 5.09 ft
All Opel diesel straight-4 1.6 L B 16 DTL engines 5.09 ft
All other modifications 5.21 ft
expand_moreWheel base
All Opel diesel straight-4 1.6 L B 16 DTL engines 8.81 ft
All other modifications 8.84 ft
Wheel steering angle inner wheel (relative steering angle) 20°00'+0°00'-0°00'
Wheel steering angle outer wheel (relative steering angle) 17°54'+0°00'-0°00'

Chassis specifications will help to do body work on your 2018 Opel Astra GTC.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2018 Opel Astra GTC 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 GTC 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 GTC you're not only saving money, but also also improving your technical skills and learning something new.

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