Compression test — description and interpretation 1. If the engine runs poorly or intermittently, check the ignition system and fuel system. If the cause of poor engine performance could not be found, perform...
Engine overhaul — general information Engine overhaul - general notes It is not always easy to come to the conclusion about the feasibility of a complete overhaul of the engine, since it is...
Engine — removal and installation Dismantling the power unit - methods and safety precautions If it was decided to dismantle the engine for a major overhaul, or repair of the main components,...
Power unit — dismantling and installation Dismantling Attention! The engine is removed from the car as part of the power unit (along with transmission). The power unit is lowered and gets out from...
Engine overhaul — disassembly procedure 1. It is recommended to disassemble the engine on a special stand, if there is no stand, then fix the engine on a flat area. 2. If a remanufactured engine is...
Cylinder head — disassembly 1. On a 1.6L single shaft engine, remove the cylinder head, tappets and thrust washers ( see Chapter 2A ). 2. On all two-shaft engines, remove the pushrod...
Cylinder head and valves — cleaning and checking 1. Thorough cleaning of the cylinder head and valve train parts, followed by inspection, will allow an estimate of the amount of work to repair the valve...
Cylinder Head — Assembly 1. Install the spring support washer, dip the valve stem seal in fresh engine oil and slide it onto the bushing (see photo) 2. Lubricate the valve stems with...
Pistons and connecting rods — removal 1. On 1.4, 1.6 and 1.8 liter engines, remove the cylinder head and oil pan. On 1.4 and 1.6 liter engines, remove the oil deflector. On all engines, remove the...
Crankshaft — removal Engines 1.4, 1.6 and 1.8 liters 1. Remove the oil pump and flywheel (driving disk). 2. Remove connecting rods with pistons. 3. Check the end play of the...
Cylinder block — cleaning and checking Cleaning 1. Remove all attachments from the cylinder block, unscrew the sensors. Take out the plugs, for which drill holes in the plugs, into which you screw...
Connecting rod and piston group — check 1. Before checking, the connecting rods and pistons should be cleaned and the old rings removed from the piston. 2. Carefully spread the ring towards the top...
Crankshaft — check Checking the end play 1. The crankshaft axial play is checked before removal from the engine, when the crankshaft can rotate freely in the main bearings. 2....
Main and connecting rod bearings — check 1. Used bearings should be stored at their place of installation for a thorough inspection, as wear marks on these parts allow the general condition of the...
Engine Overhaul — Assembly Procedure 1. The following assembly order is recommended. 1) Crankshaft. 2) Pistons and connecting rods. 3) Oil pump. 4) balancing mechanism. 5) main bearing cap frame...
Piston rings — installation 1. Check up a backlash in joints of rings. 2. Lay out the pistons assembled with connecting rods and new piston rings in such an order that the set of rings...
Engine — start after overhaul 1. After completing the engine assembly, double check the oil and coolant levels. Check that the wiring and hoses are properly connected. 2. Turn off the...