Battery design features The manufacturer installs maintenance-free or low-maintenance batteries with a nominal voltage of 12 V on Opel Astra J cars. The battery cells are located in a...
Battery care When using a serviceable battery, at least once every two weeks, remove dust and dirt from the surface of the monoblock and the battery cover with a dry rag....
Removing and installing the battery You will need: keys «on 10», «at 13», flat blade screwdriver. 1. Open the hood. 2. Press the latch.. 3.... and remove the decorative battery cover. 4. Loosen...
Charging the battery Carefully clean the battery removed from the car, especially its upper part, check the electrolyte level (see Battery Care ) and adjust if necessary (if the...
Generator design features Opel Astra J cars are equipped with a three-phase alternator with a built-in rectifier unit and an electronic voltage regulator, right rotation (when viewed...
Removal and installation of the generator You will need: key «at 13», socket head TORX E14. 1. Disconnect the wire from the terminal «minus» battery. 2. Remove the air filter (see Removal and...
Alternator pulley replacement You will need: high socket «at 24», hex key «for 8», gas wrench or sliding pliers type «cobra». 1. Remove the alternator from the vehicle (see Removal and...
Generator repair You will need: socket heads «for 8», «at 13», «at 15», hammer, extension, wrench, tester, pullers for covers and bearing of the rotor, screwdrivers with a flat...
Starter design features The Opel Astra J starter is a four-pole four-brush DC electric motor with permanent magnet excitation, combined with a planetary gear and an electromagnetic...
Removal and installation of a starter The starter is mounted on the cylinder block on the rear side of the power unit. You will need: ring wrenches «on 10», «at 13». 1. Disconnect the wire from the...
Starter repair Before disassembling the starter, make sure it is in good condition by following these simple checks. 1. Use a screwdriver to check the ease of movement of the...