General information about engines General scheme of operation of the engine lubrication system used to complete Opel Astra / Zafira cars 1 - gear (rotary) oil pump 2 - Oil intake 3 - Oil pan 4...
Specifications of all engines Common parameters A complete list of engines used to complete the Opel Astra-G / Zafira models Gasoline engines Astra-G Working volume (l) code designation...
Checking the compression pressure in the cylinders Cylinder compression test results provide an indication of the overall condition of the top of the engine components (pistons, piston rings, valves, cylinder...
Removal and installation of the crankshaft pulley Removing 1. Apply the parking brake, jack up the front of the vehicle and place it on jack stands. Remove the right front wheel and (with appropriate...
Removing and installing timing cover Removing Upper section 1. Remove the air cleaner (see chapter Power and exhaust systems ). 2. Turn out fixing screws and remove the top section of a cover of a...
Removing and installing timing belt The timing belt must be removed when the engine is cold! Do not crank the engine with the timing belt removed! Timing Belt Replacement KV - Crankshaft RV -...
Camshaft oil seal replacement 1. Remove the camshaft gear (see Removal and installation of the timing belt tensioner and timing gears ). 2. Carefully punch or drill a couple of small holes...
Removal and installation of a head of cylinders Start work only after the engine has completely cooled down! Removing 1. Disconnect and remove the battery (see chapter Engine electrical equipment ). 2. Empty...
Removal and installation of the oil pan Removing 1. Disconnect the negative cable from the battery. 2. Apply the parking brake, then jack up the front of the vehicle and place it on jack stands. If...
Removal, service and installation of the oil pump Removing The pressure reducing valve can be removed without first dismantling the pump assembly. 1. Remove the timing belt (see Removing and installing timing...
Replacing the crankshaft seals Right (from the timing drive) stuffing box 1. Remove the crankshaft gear (see Removal and installation of the timing belt tensioner and timing gears ). 2....