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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Passat B3 / B4 (c 1988 and 1996 model year)

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Volkswagen Passat B3 / B4
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Volkswagen
Passat B3 / B4
Operation of the vehicle
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Engines
Gasoline engines build R4
Gasoline engine layout VR6
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Set number 1 cylinder piston to TDC
Compression check in cylinders
Toothed timing belt
The mechanism of a tension of a gear belt
The camshaft pulley
Toothed crankshaft pulley
Countershaft pulley
Accessory drive belt
Cylinder head cover
Replacing the oil seal Camshaft
Replacing the oil seal of the intermediate shaft
Replacement seals crankshaft
Replacement of the gland of the front cover of the crankshaft
Cylinder Head
Check the operation of the hydraulic tappets
Flywheel
Replacement of support of the power unit
Oil crankcase
Oil pump
The top engine cover AFN
Preheating of diesel engines
Glow plugs
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The power supply system
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Replacement seals crankshaft



Replacement of a forward epiploon of a cranked shaft
Removing and installing front crankshaft oil seal in the following order:
- The engine AFN remove the top casing of the engine;
- Disconnect the plug from the solenoid valve stops the engine;
- Drain the engine oil from the engine;
- Raise the front of the car and set it on the stand;
- Remove the plastic air ducts located in the area of the right front wheel;
- Remove the auxiliary drive belts;
- Remove the auxiliary drive belt pulleys, timing belt and timing belt pulley with the crankshaft;

Cylinder block
Fig. 3.69. The cylinder block 1 - the block of cylinders; 2 - plate; 3 - Laying the back cover of the crankshaft; 4 - the back cover of the crankshaft; 5 - crankshaft rear oil seal; 6 - dipstick tube; 7 - a spray; 8 - slinger plate; 9 - the oil pan; 10 - bolts of fastening of the oil pan; 11 - The front cover of the crankshaft; 12 - front lip of the crankshaft; 13 - a lining; 14 - cap; 15 - plate; 16 - plate; 17 - protective plate


- Drill in the stuffing box 12 (see. Fig. 3.69) are two small holes at a maximum distance from each other and screw them self-tapping screws;
- Using pliers, pull the oil seal over the screw heads 12 of the front cover 11 of the crankshaft;
- Clean the lint-free cloth Fitting O-ring in the front cover of the crankshaft and the crankshaft;

A WARNING
The cleaning cloth should not be wet with solvent.

- Lubricate with clean engine oil surface of the new oil seal;
- Using a tube of appropriate diameter mandrel and a hammer easy blows install the oil seal on the crankshaft;
- Installation remove components spend in reverse order of removal.

Replacing the crankshaft rear oil seal
Removing and installing crankshaft rear oil seal in the following order:
- APN on the engine, remove the top casing of the engine;
- Disconnect the plug from the solenoid valve stops the engine;
- Drain the engine oil from the engine;
- Raise the front of the car and set it on the stand;
- Turn away flywheel bolts and remove the oil pan;
- Remove the gearbox;
Remove the plastic air ducts located in the area of the right front wheel;
remove the flywheel and leading part of coupling the clutch disc;
- Remove the bolt and the flywheel;
- Unscrew and remove the guilt of intermediate plate cylinder (if installed);
- Unscrew the screws and remove the back cover of the crankshaft 4 (Fig. 3.69.);
- Clean the mating surface of the rear cover of the crankshaft and the engine block from the traces of the old gasket.
- Using a broad blade screwdriver, remove the O-ring 5 out of the back cover 4 of the crankshaft;
- Lubricate the surface of the new O-ring with clean engine oil and install O-ring in the back cover of the crankshaft, pushing through a uniform block of wood;
- Apply to the mating surface of the cylinder a thin layer of sealant and install the gasket back cover of the crankshaft;
- Replace the crankshaft protective plastic head, supplied with a sealing ring. Protective plastic cap prevents damage working edges when installing the O-ring;
- Lubricate the O-ring with clean engine oil and replace the back cover 4 of the crankshaft to the cylinder block of the engine 1;
- Insert the bolts back cover of the crankshaft and consistently tighten their respective torque.
installation removed items made in sequence, return to removal.




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Replacing the oil seal of the intermediate shaft
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Replacement of the gland of the front cover of the crankshaft

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