Engine design features For the Russian market, Opel Astra J cars are equipped with two atmospheric engines 1.4 ECOTEC A14 XER (100 hp) and 1.6 ECOTEC A16 XER (115 hp), as well as two...
Possible engine malfunctions Possible engine malfunctions, their causes and remedies Cause of malfunction Remedy Engine won't start No fuel pressure in the rail: clogged fuel lines Flush...
Design features of turbocharged engines 1.4L A14 NET engines (140 hp) and 1.6L A16LET (180 hp) equipped with a turbocharger. Consider the principle of operation of the turbocharging system. Its main...
Cylinder compression check Compression (pressure at the end of the compression stroke) in cylinders - the most important indicator for diagnosing the condition of the engine without...
Valve clearance adjustment To compensate for the thermal expansion of the valve, a gap is set between the end of the valve stem and the camshaft cam. With an increased clearance, the...
Accessory drive belt replacement The auxiliary drive belt on all engines is removed in approximately the same way. You will need a wrench or socket «at 19». 1. Remove the right front wheel. 2....
Replacement of the timing belt The gas distribution mechanism of the engines is driven by a rubber reinforced toothed belt. Replacing the timing belt is a routine maintenance task. According...
Replacing the cylinder head cover gasket If engine oil leakage from under the cylinder head cover or engine oil leakage into the spark plug wells cannot be eliminated by tightening the cover bolts,...
Replacing the cylinder head gasket If a leak of engine oil or coolant is detected at the junction of the block head with the cylinder block, remove the head and replace its gasket. A leak can...
Replacement of valve stem seals An external sign of wear on the valve stem seals is the short-term appearance of blue smoke from the exhaust pipe after starting the engine and when braking...
Replacing the intake pipe gasket A gasket is installed between the cylinder head flanges and the intake pipe. If its tightness is violated, the engine runs unevenly («troit»). If the problem...
Replacing the crankshaft seals If traces of oil leakage through the crankshaft seals are found, first check if the crankcase ventilation system is clogged and if its hoses are pinched, if...
Replacing the oil sump seal The oil sump flange is mounted on sealant, there is no gasket. Therefore, if there is an oil leak in the connector of the oil sump and the cylinder block,...
Replacing camshaft seals If traces of oil leakage through the camshaft seals are found, first check if the crankcase ventilation system is clogged and if its hoses are pinched, if...
Replacing the oil level guide seal The tubular guide of the oil level indicator is sealed in the cylinder block with a rubber ring. In the event of an oil leak at the seal, replace this ring....
General information about the cylinder head This subsection describes only the removal and installation of camshafts, which is necessary to replace them, as well as to replace the valve stem seals. In...
Removal, troubleshooting and installation of camshafts Camshafts are replaced in the following cases: the pressure in the engine lubrication system has dropped. The cause of this malfunction is often increased wear...
Lapping of valves The valves are lapped on the removed cylinder head. To remove the valves from the guide bushings of the cylinder head, it is necessary to remove the valve...
Removal and installation of the engine The manufacturer recommends removing the power unit (engine with clutch and gearbox) down. This requires a lift to raise the front of the car higher. In garage...
Engine disassembly You will need: tools needed to remove the cylinder head, as well as TORX sockets E8, E11, E12, extension, wrench, screwdrivers, hammer, piston pin press tool...
Troubleshooting engine parts The details of the connecting rod and piston group are shown in fig. 1. Pic. 1. Details of the connecting rod and piston group: 1 - piston; 2 - piston pin; 3 -...
Engine Assembly You will need: torque wrench, hammer (preferably with a soft metal or polyurethane striker), a device for installing pistons in cylinders, the same wrenches as...