Vehicle engine number Detach hose from activated charcoal filter at hose clamp -arrow-. The engine code and engine number can be found on a sticker -arrow- affixed to the timing cover. The engine code...
Removing the engine Disconnect vacuum hose -arrow-. Raise the engine cover at points -1 -and remove the engine cover by moving it forward in the -direction of the arrow-. Unscrew heat shield above...
Engine installation Installation is carried out in the reverse order, while observing the following. Caution: For any assembly work, in particular in the engine compartment due to the tight layout,...
Engine disassembly Instruction. If, during engine repair, metal chips and dust are found in engine oil in large quantities - the source of which is increased wear, for example, due to damage to the...
Engine Assembly Poly V-belt storage Caution: Before installing the V-ribbed belt, check that all the components driven by it are securely fastened (generator, air conditioner compressor). When...
Removal and installation of elements of the cooling system Caution: For any assembly work, in particular in the engine compartment due to the tight layout, the following must be observed. Lines of all kinds (e.g. fuel, hydraulic,...
Draining and filling the coolant Drain WARNING: When opening the expansion tank, hot steam may come out. Remove crankcase protection. Release spring clip and remove coolant hose -2-. Position -1- is ignored. Gulf...
Removing and installing radiator and radiator fan V7 Depending on the vehicle's equipment, remove the noise insulation or the underride guard. Remove the front right and left fender liner. Remove retainer -1- by unscrewing securing...
Removal and installation of the pump of system of cooling Drain coolant. Disconnect fuel supply line -1- and line to activated charcoal filter -2-. To do this, press the release buttons. Unscrew hose clamp -1- in charge air pipe. Unscrew...
Relieve pressure in high pressure areas of the fuel system Safety measures when working in the power system Caution: For any assembly work, in particular in the engine compartment due to the tight layout, the following must be observed....
Fuel tank device 1 - Cover, replace if damaged 2 - Fixing bolt 3 - Earth connection, check the security of fastening 4 - Ventilation line to the absorber, check the reliability of fastening 5 -...
Filmed and installed fuel tank Removing With the ignition off, disconnect the battery ground wire. Unscrew the fixing bolt of the filler hatch assembly and remove it. Drain the fuel from the tank and clean the...
Removal and installation of elements of the power system Instructions: The hose connections are secured with spring and clamp clamps. Clamp clamps should always be replaced with spring clamps. The fuel supply hoses may only be secured...
Turbocharger device Instruction: All hose connections must be fixed with standard clamps corresponding to the model year. The hoses and hose fittings of the charge air system must be free of oil and...
Removal and installation of a turbocharger Disconnect battery. Disconnect vacuum hose -arrow-. Raise engine cover at points -1- and remove engine cover by moving forward in -direction of arrow-. Unscrew heat shield above...
Compressor device 1 - Enclosure with soundproofing screen of noise damper 2 - Anti-noise insulation of intake air 3 - Air intake sleeve, fasten with spring clamps 4 - 7 Nm, self-tapping screw. Only...
Removal and installation of the compressor Disconnect battery. Open and close the expansion tank cap to relieve pressure in the cooling system. Drain coolant. Disconnect vacuum hose -arrow-. Raise engine cover at points...
Turbo air system Instructions: All hose connections must be secured with standard clamps corresponding to the model year. The hoses and hose fittings of the charge air system must be free of oil...
Removal and installation of the intercooler Depending on the vehicle's equipment, remove the noise insulation or the underride guard. Remove the front right and left fender liner. Remove bracket -1- by unscrewing securing...
Fuel injection system The engine control unit -J623- is equipped with a self-diagnosis function. Before repair, and also for troubleshooting, the fault memory should first be interrogated. Vacuum hoses...
Checking the functioning of the intake manifold flap After installing the new lower part of the intake manifold, remove the retaining clip -arrow- for the vacuum actuator. Connect hand vacuum pump -VAS 6213- as follows. Create a...
High pressure fuel pump WARNING: The injection system is divided into a high (up to max. 120 bar) and area of low (approx. 6 bar) pressure. Before opening a high pressure area (e.g. when removing...
Removal and installation of the high pressure pump Remove air filter. Disconnect fuel supply line -arrow-. Disconnect connector and fuel feed line -arrows- from high pressure pump. Remove guide -2- and remove clip -4- from high...
Removing and installing engine control unit J623 Before replacing engine control unit, connect tester -VAS 5051 B- and carry out guided function.Change engine control unit'. Switch off the ignition. Remove wiper arms. Remove the...
Theft-proof engine control unit Before replacing engine control unit, connect tester -VAS 5051B- and execute guided function "Replacing the engine control unit". Switch off the ignition. Remove wiper arms....
Catalyst and hinged parts of the exhaust system Instructions: After installation work on the exhaust system, check that it is installed without tension and that the distance between the elements of the exhaust system and the...
Silencer with attachments 1 - Exhaust pipe with middle and rear mufflers. Factory fitted with main muffler as one piece, replace separately in case of repair 2 - 20 Nm 3 - Bracket 4 - 25 Nm 5 - Bracket 6 -...
Removal and installation of a reception pipe Depending on the vehicle equipment, remove the noise insulation or the underrun protection bar. Remove lambda probe after catalytic converter -G130- -1-. Unscrew exhaust pipe at...
Repair of the ignition system General instructions for the ignition system The engine control unit -J623- is equipped with a self-diagnosis function. A voltage of at least 11.5 V is required to ensure that the...