View of the engine compartment of the V6 engine Engine compartment with 2.8L V6 engine 1 - battery, 2 - rack, 3 - air filter, 4 - air flow meter, 5 - headlights, 6 - adjustment label, 7 - additional headlight cover, 8...
Specifications of V6 engines V6 engine with overhead valves and an underhead camshaft in the engine block, which is driven through a helical gear train from the crankshaft (V6 engine 2.8 in. 3 ) or...
Repair without removing the engine On the engine installed in the car, you can perform the following operations: removal and installation of cylinder heads; removal and installation of the oil sump and...
Removing the engine Removal of the engine without gearbox is made upwards from the engine compartment using a lifting mechanism. It is also possible to remove the engine together with the...
Checking the degree of wear of engine parts After disassembling the engine and cleaning all its parts from dirt and oil, they should be checked for signs of wear. In cases where a part does not have specified wear...
Rocker axle assembly Rocker axle assembly 1. Drive out the cylindrical locking pin (indicated by an arrow) on one side of the valve rocker shaft and remove the spring washer. 2. Remove from...
Valve lifters and push rods 1. Check the valve lifters for wear or damage and, if necessary, replace them with new ones. 2. Check the push rods for bending or wear. Align or replace if necessary.
Camshaft — wear check If excessive wear occurs, the camshaft bearings must be replaced. Since special tools are required to install new bearings, it is necessary to contact a specialized...
Cylinder heads Intake kit (up) and exhaust valves Intake seal (left) and exhaust valves 1. Remove oil and dirt from cylinder heads. Remove carbon deposits from combustion chambers and...
Cylinders — wear check Theoretically, the new cylinder is perfectly round. The operation of the piston results in wall wear at right angles to the piston pins due to side loading. This wear...
Inspection and restoration of pistons and piston rings Piston and piston ring wear can usually be detected by signs of increased oil consumption and low compression, sometimes associated with cylinder wear. Another sign of...
Piston pins and connecting rods — check Piston pins are installed in heated connecting rods. Typically, piston pins are replaced when the pistons are replaced. The connecting rods are not subject to wear...
Crankshaft — check 1. Inspect the main and connecting rod journals for signs of wear, scratches or scratches. Check them for ovality using a micrometer. Out-of-roundness exceeding 0.025 mm...
Main and connecting rod bearings Proprietary Plastigage rod used to measure clearances in main and connecting rod bearings Measuring the width of a Plastigage rod with a scale to determine the gap With...
Distribution gears — check Checking the clearances in the timing gears 1. Check if the gear teeth are damaged, if there are signs of excessive wear, as indicated by noise during operation. 2. The...
Flywheel — check and installation 1. Check the flywheel for damage, the flywheel crown for wear and damage. 2. If the crown is severely worn or has a missing tooth, the crown should be replaced. The old...
Lubrication system — general information Engine lubrication system A pressed steel oil pan mounted underneath the crankcase serves as a reservoir for the engine oil. With the help of an oil pump, the oil from...
Crankcase ventilation system The closed crankcase ventilation system is designed to relieve the pressure of gases breaking through into the crankcase. The operation of the system is carried out by...
Engine assembly — general information To achieve maximum engine life after an overhaul with a minimum of problems, not only must all parts be assembled correctly, but all parts and components must be...
Installing the crankshaft Checking the axial play of the crankshaft with a dial gauge 1. Wipe the bearing shell locations on the crankshaft and install the upper main bearing half shells. 2....
Installing the camshaft Temporary bolt to install intermediate plate 1. Install the thrust ring on the camshaft (1) rounded side first and key (2). 2. Lubricate bearings, camshaft and thrust...
Installation of pistons and connecting rods 1. Wipe the connecting rod half at the cap and the bottom of the bushing, and install the bushing so that the mounting tab fits into the corresponding slot in the...
Oil pump installation 1. Check the mating surfaces of the oil pump and crankcase, they must be clean. 2. Insert the hexagonal pump drive shaft with the pointed end towards the distributor....
Flywheel Installation 1. Install the rear motor plate onto the two dowel pins. 2. Check that the mating surfaces of the flywheel and crankshaft are clean, and install the flywheel on the...
Installing the gear and timing cover 1. Install a new O-ring in the drive cover. 2. Check the keyways at the end of the crankshaft, they should be clean and there should be no burrs on the keys. Install the...
Installing the oil pan, water pump and crankshaft pulley The sequence of tightening the bolts of the oil pan 1. Clean the contact surfaces of the crankcase and sump. The grooves in the seal carriers must be clean. 2. Install...
Removal and installation of the oil heat exchanger Oil heat exchanger 1 - threaded bushing, 2 - gasket, 3 - heat exchanger, 4 - adapter, 5 - oil filter The oil heat exchanger is installed between the oil filter and the...
Cylinder heads, rocker shafts and intake manifold Cylinder head gaskets and markings Cylinder head bolt tightening sequence Intake manifold tightening sequence 1. Lubricate the valve tappets with clean engine oil and...
Valve clearance adjustment Numbering of cylinders and connections of high-voltage wires Valve arrangement The intake and exhaust valves should be adjusted with a cold engine at a temperature...
Auxiliary engine parts 1. Screw in the water temperature sensor and tighten according to the tightening torque. 2. Install the distributor and adjust the ignition timing. 3. Clean the surface...
Engine installation Engine installation is carried out in the reverse order of removal, but, in addition, pay attention to the following points: lightly lubricate the input shaft of the...
Removing the engine 2.4 and 2.9 liters The removal steps for these engines are essentially the same as for the 2.8 dm 3 engines (see subsection 3.3.3 ). You should pay attention to the following differences....
2.4 and 2.9 liter engine cylinder heads The process of removing the cylinder heads is presented for the engine installed in the car. Oil pressure sensor The oil pressure sensor is located on the left front...
Replacing the timing chain drive 2.4 and 2.9 liters Upper radiator shroud, plastic brace and pin Bolt of fastening of a suspension bracket of a pipe of the cooling system Installing the chain tensioner Releasing the...
Engine oil pump 2.4 and 2.9 liters Oil pump repair is essentially the same as for a 2.8 dm 3 engine (see subsection 3.3.4.14.1 ). Removing the oil receiver from the oil pump Removing the oil pump cover