For 2005 Astra Wagon H Opel recommends to use: and genuine OEM cooling fluid with a part number: 1940 650. To select the right cooling fluid see the table below.

How much cooling fluid you need to put into 2005 Astra Wagon depends on conditions listed below.

in your garage to make future searches easy.

Condition Volume
expand_more1.3 CDTI with diesel straight-4 1.2 L 89 HP engine (2005.8–)
With manual transmission 8.03 US qt.
Part number: 1940 650
1.4 with gasoline straight-4 1.4 L 74 HP engine (2004.8–) 5.92 US qt.
1.4 with gasoline straight-4 1.4 L 89 HP at 5600 RPM, 125 N⋅m at 4000 RPM engine (2004.8–) 5.92 US qt.
Part number: 1940 650
expand_more1.6 with gasoline straight-4 1.6 L 103 HP engine (2004.8–)
With air-conditioning 6.66 US qt.
Part number: 1940 650
Without air-conditioning system 6.45 US qt.
Part number: 1940 650
1.7 CDTI with diesel straight-4 1.7 L 79 HP at 4400 RPM, 170 N⋅m at 1800 RPM engine (2004.8–) 7.19 US qt.
Part number: 1940 650
1.7 CDTI with diesel straight-4 1.7 L 99 HP at 4400 RPM, 240 N⋅m at 2300 RPM engine (2004.8–) 7.19 US qt.
Part number: 1940 650
expand_more1.8 with gasoline straight-4 1.8 L 123 HP engine (2004.8–)
expand_moreWith automatic gearbox
With air-conditioning 7.08 US qt.
Part number: 1940 650
Without air-conditioning system 6.76 US qt.
Part number: 1940 650
expand_moreWith manual transmission
With air-conditioning 7.19 US qt.
Part number: 1940 650
Without air-conditioning system 6.87 US qt.
Part number: 1940 650
expand_more1.8 with gasoline straight-4 1.8 L 138 HP engine (2005.8–)
With air-conditioning 6.66 US qt.
Part number: 1940 650
Otherwise 6.45 US qt.
Part number: 1940 650
1.9 CDTI with diesel straight-4 1.9 L 99 HP engine (2005.9–) 7.93 US qt.
Part number: 1940 650
2.0 Turbo with gasoline straight-4 2.0 L 168 HP engine (2004.8–) 8.14 US qt.
Part number: 1940 650
2.0 Turbo with gasoline straight-4 2.0 L 197 HP engine (2004.9–) 8.14 US qt.
Part number: 1940 650
All other modifications 7.4 US qt.
Part number: 1940 650

Changing cooling fluid it's a bit tricky process but it can be done by yourself. The whole process will take 12 hours because you need to cool down the engine, and it will save you up to $150.

To replace coolant in 2005 Opel Astra Wagon first you need to flush old fluid. Start with a cool engine. Drain the overflow reservoir first, then open the radiator cap, and open the radiator drain cock. After that check for cooling fluid drain plugs on the engine block. If your car have those unscrew them and drain coolant from the engine block. If you want to clean the system pour coolant cleaner and start the engine. Read the coolant cleaner manual and follow the product directions. Then flush coolant cleaner as you've flushed coolant before. The final step is to pour new coolant.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2005 Opel Astra Wagon 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 Wagon 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 2005 Opel Astra Wagon you're not only saving money, but also also improving your technical skills and learning something new.

2005 Opel Astra Wagon generations

In 2005 Opel offered 2 generations of the Astra Wagon. Cooling fluid capacity may vary in different generations. Be sure that you are looking at the rigt modification.

Units:
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