in your garage to make future searches easy.
| Condition | Value |
|---|
| Rear axle bleeder valve | 12.54 lbf⋅ft |
| Rear axle brake caliper | 20.65 lbf⋅ft |
| First stage | 73.76 lbf⋅ft |
| Replace screws. | |
| Second stage | 60–75° |
| Rear axle brake disc | 6.64 lbf⋅ft |
| Rear axle brake hose | 29.5 lbf⋅ft |
| Replace sealing rings. | |
| Rear axle brake line | 13.28 lbf⋅ft |
| Rear axle wheel speed sensor | 4.43 lbf⋅ft |
| On chassis | 73.76 lbf⋅ft |
| First stage | 110.63 lbf⋅ft |
| Replace screws and nuts. | |
| Second stage | 65° |
| Rear axle shock absorber piston rod | 14.75 lbf⋅ft |
| First stage | 51.63 lbf⋅ft |
| Replace screws and nuts. | |
| Second stage | 120° |
| First stage | 29.5 lbf⋅ft |
| Replace screws and nuts. | |
| Second stage | 60° |
| First stage | 51.63 lbf⋅ft |
| Replace screws and nuts. | |
| Second stage | 120–135° |
| Cross support | 73.76 lbf⋅ft |
| On rear axle | 118.01 lbf⋅ft |
| Replace screws. | |
| First stage | 66.38 lbf⋅ft |
| Replace screws. | |
| Second stage | 45° |
| First stage | 36.88 lbf⋅ft |
| Replace screws. | |
| Second stage | 40° |
| All Opel diesel straight-4 1.6 L B 16 DTL engines | 7.38 lbf⋅ft |
| All other modifications | 6.64 lbf⋅ft |
| Wheel attachment | 103.26 lbf⋅ft |
| Tighten the wheel nuts alternately | |
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2015 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.
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
- Chassis and Body Fastener Tightening Specifications
- Engine Fastener Tightening Specifications
- Front Suspension Fastener Tightening Specifications
- Rear Suspension Fastener Tightening Specifications
- Transmission Fastener Tightening Specifications
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 2015 Opel Astra GTC you're not only saving money, but also also improving your technical skills and learning something new.