Diesel car engine Volkswagen Passat B4

Diesel engines. General information
Four-stroke, four-cylinder, in-line diesel engine with transverse arrangement inclined to the right. Diesels "1Y", "RA", "SB", "AA2", pre-chamber engines "1Z" with undivided...

Removal and installation the engine
To remove, disconnect the wire from the negative terminal of the battery. Remove the hood. Drain the oil from the engine. Open the cap of the expansion tank of the cooling system....

Disassembling the engine
Note: When disassembling, mark the removed parts that are suitable for further use so that when reassembling, they can be installed in their original locations and positions....

Engine assembly
Assemble the engine taking into account the instructions in the subsection " General requirements for car repair " in the following order. Place a clean cylinder block on the...

Cylinder block
The cylinder block is sleeveless and made of special cast iron using pressureless casting. The cylinder block contains five main bearing supports for the crankshaft (Fig. 3-7)....

Features of the connecting rod and piston group
The pistons are cast from aluminum alloy. The piston body has steel thermoregulating rings. In turbocharged engines, the piston skirt has a cutout for oil nozzles. The pistons of...

Checking the technical condition of the connecting rod and piston group
It is carried out similarly to the instructions in the corresponding section " Petrol 8-valve engines ".

Features of the crankshaft and flywheel
The crankshaft is steel, forged, five-bearing, with eight counterweights. Main journal diameter, mm: nominal: 54.00 -0,022 -0,042 1st repair size: 53.75 -0,022 -0,042 2nd repair...

Features of the gas distribution mechanism
The engines use a valve timing mechanism with an overhead camshaft, the drive of which is carried out by a toothed belt from a toothed pulley of the crankshaft. The tension of the...

Features of the cylinder head design
The cylinder head is cast from an aluminum alloy (Fig. 3-10). The seats, valve guides and pre-chambers (except for the "1Z" and "AFN" engines) are pressed into the cylinder head....

Removal and installation the cylinder head
To remove, disconnect the wire from the negative terminal of the storage battery. Drain the coolant, disconnect the cooling system and interior heater hoses from the cylinder...

Disassembly, assembly, technical condition check and repair of the cylinder head
Remove the cylinder head as described above and install it on a support. Unscrew the bolts securing the bearing caps No.5, 1 and 3 of the camshaft. Unscrew the bolts securing the...

Removal and installation the camshaft drive belt
To remove, disconnect the wire from the negative terminal of the battery. Loosen the tension of the alternator drive belts and, depending on the vehicle model, the power steering...

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Passat B6 Passat B5 Passat B4

Passat B3 Passat B2