Engine Description The WL engine is an in-line, four-cylinder, 16-valve diesel engine with overhead camshafts and liquid cooling. The working volume of the engine is 2.5 liters. Cylinder...
Cylinder block The cylinder block is cast iron. The thickness of the walls of the cylinder block is reduced, and the rigidity of the cylinder block is increased by increasing its...
Crankshaft The crankshaft is steel, five-bearing with eight counterweights mounted on the extension of the cheeks of the crankshaft. The oil supply to the main journals of the...
Cylinder head To reduce vibration and better sound insulation, the cylinder head cover is made of aluminum alloy. An oil separator is installed at the bottom of the cover to separate...
Connecting rods and pistons The connecting rods of this engine are forged from manganese steel. In the cover of the lower cooking rod, dowel pins are made for the correct installation of the cover....
Cooling system These engines use a closed-type liquid cooling system with forced circulation of the coolant. The coolant pump is driven by the attachment drive belt. The coolant pump...
Lubrication system The engine uses a lubrication system with full-flow oil cleaning and with the supply of oil under pressure to the main moving parts and assemblies of the engine. Gear...
Air intake system The air intake system is used to supply air to the engine cylinders. The system consists of an air intake, an air filter housing, a turbocharger, an actuator and dampers...
System of release and decrease in toxicity OG The exhaust system is used to clean the cylinders from the products of combustion of the air-fuel mixture. In the exhaust system, a number of elements and systems are...
Fuel system The new generation WL engine is equipped with a common rail fuel injection system from Bosch. The main functions of the system are the optimal and correct control of the...
Checking and adjusting thermal gaps in the valve drive 1. Remove the engine trim panel. 2. Remove the following parts so that the crankshaft can be rotated. A) Remove the accessory drive belt (see chapter " Maintenance and...
Timing belt — removal and installation 1. Remove the engine trim panel. 2. Disconnect a wire from the negative plug of the storage battery. 3. Remove the parts in the order they are numbered in the figure...
Removal and installation of rocker arms Attention: when removing the camshaft, make sure that not a single camshaft cam presses on the rocker arms, otherwise, when removing, the camshaft may be damaged by the...
Front crankshaft oil seal — removal and installation 1. Disconnect a wire from the negative plug of the storage battery. 2. Drain the coolant (see chapter " Maintenance and general inspection and adjustment procedures ")....
Rear crankshaft oil seal — removal and installation 1. Disconnect a wire from the negative plug of the storage battery. 2. Remove the flywheel. 3. Remove the parts in the order they are numbered in the figure. 1 -...
Power unit Removal and installation Attention: Fuel vapors are very dangerous. They are highly flammable and can cause serious injury and damage. There must be no sparking objects...
Cylinder head — disassembly 1. Remove the parts in the order they are numbered in the drawings "Dismantling and assembly of a head of the block of cylinders". 2. Installation of parts during...
Cylinder head — check, clean and repair 1. Check for signs of water leakage, damage or cracks. In the presence of such malfunctions, replace the part. 2. Clean the cylinder head. A) Clear a surface of a head...
Cylinder block — disassembly 1. Remove the parts in the sequence shown in the figure "Dismantling and assembly of the block of cylinders". Dismantling and assembly of the block of cylinders. 1 -...
Cylinder Block — Inspection, Cleaning and Repair 1. Clean the cylinder block. A) Check each cylinder for damage or cracks. Replace the cylinder block if necessary. b) Remove the remnants of gaskets from the working...
Checking the condition of the piston and connecting rod 1. Clean the piston. A) Check the outer surface. b) Use a scraper to remove carbon deposits and other carbon deposits from the piston crown. V) Clean the piston grooves...
Check and repair of a cranked shaft 1. Check the main journals and crankpins for damage, scoring, and blockage in the oil hole. 2. Checking the runout of the crankshaft. A) Lay the crankshaft on the...
Assembling the piston-rod assembly of the cylinder block 1. Assemble the connecting rod and piston group. A) Apply some engine oil to the piston pin and into the piston boss bores. b) Attach the piston pin to the piston on the...
Cylinder Block — Assembly Note: Thoroughly clean all parts to be assembled. Before assembly, lubricate with fresh engine oil all the parts that form the nodes of rotation or sliding. Coat the...