Car engine overhaul Hyundai Elantra 1

General information about the overhaul
This section includes descriptions of basic repair procedures for the cylinder head, engine block and its internal components. Information is provided in a wide range,...

Engine overhaul — general information
It is not always easy to determine if, and when, a complete overhaul of an engine is necessary, as many different factors must be taken into account. A high mileage is...

Cylinder compression check
Checking the compression in the cylinders will show what condition the top of the engine is in (those. pistons, rings, valves, head gasket). Specifically, this test will...

Checks with a vacuum meter
Connect a vacuum gauge directly to the exhaust manifold. Warm up the engine before starting measurements. Apply the parking brake and block the wheels. Start the engine...

Removing the engine — general information
Before removing the engine, it is necessary to clean the engine compartment from dirt and traces of oil. A winch or hoist is required. Prepare all the necessary tools...

Engine — removal and installation
Caution: Gasoline is extremely flammable, so special care must be taken when working on any part of the fuel system. Do not smoke or allow open flames in the work area....

Engine overhaul options
The home master, with the intention of repairing the engine, will be faced with the need to make a certain choice. The decision to replace the cylinder block, piston...

Engine overhaul — disassembly sequence
It is much easier to disassemble the engine and work with it if it is mounted on a portable stand. Such a stand can be rented for a very reasonable fee. Before...

Cylinder head — repair
New cylinder heads can be purchased from specialized auto shops. Due to the fact that special equipment is needed for the disassembly and inspection processes, and...

Cylinder head — removal (all engines)
Note: The following is the procedure for removing the cylinder head on an engine that has been removed from the vehicle. If not removed, then remove the gears and the...

Cylinder head — disassembly (1.6 and 1.8 liter engines)
Dismantling of a head of cylinders includes removal of all elements. Label all parts and store separately so that they can be placed in their original positions when...

Cylinder head — disassembly (2.0 liter engines)
Label all parts and store separately so that they can be placed in their original positions when installed. Place the cylinder head on a table or in a vise. If not...

Cylinder head elements — cleaning and checking
A thorough cleaning of the cylinder head and associated valve train, followed by a detailed inspection, will help you decide what work needs to be done on the valves...

Cylinder Head — Assembly
Whether the head has been repaired in a workshop or not, make sure it is absolutely clean before reassembly. If you received it from repair after valve maintenance, then...

Camshaft — check and replacement
The camshaft rotates in the aluminum beds of the cylinder head. Check up a backlash between necks of a shaft and beds of a head and the case of bearings. If it is more...

Valves, valve seats and guides — inspection and repair
Check the valve discs (especially graduation), whether they are burned or pitted. Inspect the saddles at the same time. If the damage is minor, the seats and valves can...

Lapping of valves
Lapping of valves is carried out as follows. Lay the cylinder head on a workbench with two pieces of wood underneath. Clean all valves from carbon deposits. Apply coarse...

Valves — leak test
The tightness of the valves is checked with kerosene, which must be poured into the combustion chambers. In this case, the leakage of kerosene through the seal (valves -...

Valve guides — check and replace
The clearance between the guide bushings and the valve stem is checked with an indicator or the diameters of the valve stem and the bore of the guide bushing are...

Cylinder head — carbon removal
Usually, with modern types of fuel and oils, carbon deposits must be removed with a mileage of over 120 thousand km. This operation can be performed both with the engine...

Flywheel and starter ring gear — check and repair
The flywheel is carefully balanced, and there is little that can be done with it in the usual workshop. After removing the flywheel from the engine, check its surface...

Front engine cover / balance shafts — removal, installation, repair
Front engine cover/balance shafts (engines 1.6 l and 1.8 l) 1 - oil filter mounting bracket; 2 - oil pressure sensor; 3 - oil filter; 4 - front cover; 5 - drive gear; 6...

Pistons and connecting rods — removal
Attention: Before removing the pistons with connecting rods, remove the cylinder head. Check with your fingernail for a bead at the top of the piston ring travel (about...

Crankshaft — removal
Elements of the crank mechanism (KShM) 1 - crankshaft; 2 - connecting rod; 3 - piston; 4 - piston rings; 5 - gear ring of the flywheel; 6 - flywheel; 7 - bolts; 8 - rear...

Cylinder block — cleaning and checking
Most of the plugs in the engine have become severely corroded over the life of the engine. Place a small chisel on one end of the plug and hammer it inward with a hammer...

Cylinders — check
Before checking, the cylinder block must be cleaned. Check the cylinder block bores for damage, wear or scratches. Measure the diameter of each cylinder bore just below...

Pistons and connecting rods — check
Before checking, the pistons and connecting rods must be cleaned and the old rings removed from the pistons. Caution: Install new piston rings each time the engine is...

Crankshaft — check
Clean the crankshaft with solvent and dry it. Clean the oil holes with a stiff brush and flush with solvent. Check Indigenous (arrows) and connecting rod (arrows) necks...

Main and connecting rod bearings — check
Although connecting rod and main bearings are replaced with new ones during rebuilds, old bearings should be left for detailed examination, as they can provide valuable...

General instructions for assembling the engine
If the work has been carried out carefully, all components have been repaired or replaced, the engine is ready for assembly. This is the most enjoyable part of the job....

Crankshaft — Installation
Regardless of how the bearings are sized to determine the gap size, use the plastic to measure the gap. Clean the rear sides of the new main bearing inserts and place...

Connecting rod and piston group — assembly
Piston with connecting rod 1 - piston; 2 - piston pin; 3 - connecting rod; 4 - connecting rod cover; 5 - liners; 6 - connecting rod cap nut; 7 - location of the label; 8...

Piston Rings — Assembly Check/Recommendations
Before installing the piston rings, check the gaps between the ends of the rings. (It is assumed that the piston ring backlash has already been checked and is correct)....

Pistons with connecting rods — installation
Arrange the pistons with the connecting rods in the correct order. The numbers on the connecting rods correspond to the cylinder number. Remember that the label (arrow)...

First engine start after repair
Attention: The most critical points about «life» A freshly overhauled engine is messing around for the first few seconds of running. Preparation makes the difference...

The engine does not start — what to do?
If the motor shaft does not rotate or rotates slowly Cars with automatic transmission Make sure the control lever is in the N or P position. Check that the clamps at the...

Engine diagnostics carried out during operation
Increased content of harmful substances in exhaust gases Measurements give high concentrations of harmful substances; There may be a smell of rotten eggs. The appearance...

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Elantra 3 (2000-2006)