Car engine repair VAZ-2104

Description of the engine design
Carburetor engine: 1 - crankshaft pulley; 2 - generator; 3 - coolant pump; 4 - thermostat; 5 - carburetor; 6 - air intake; 7 - thermostat; 8 - air filter housing; 9 - oil filler...

Engine oil — level check and change
Checking the oil level should be carried out with the engine not running at least 5 minutes after it has stopped, and with the car on a horizontal surface. Level check 1. We...

Cylinder head cover gasket — replacement
We replace the cylinder head cover gasket if there are oil leaks. Removing 1. We prepare the car for operations (see " Vehicle preparation for maintenance and repair "). 2. Ha...

Gas distribution mechanism drive chain — tension adjustment
A characteristic sign of insufficient chain tension is a rattling ringing sound that appears with a sharp increase and subsequent decrease in crankshaft speed. Due to the wear of...

Gas distribution mechanism drive chain — replacement
The work of replacing the chain on carburetor and injection engines is almost the same. On an injection engine, it is necessary to disconnect the wiring block from the crankshaft...

Timing chain tensioner — replacement
The tensioner is installed on the right, in front of the cylinder block next to the coolant pump. Removing 1. We prepare the car for operations (see " Vehicle preparation for...

Timing chain damper — replacement
The damper is installed on the left in front of the cylinder head. We show the work on the example of a carburetor engine. Removing 1. We prepare the car for operations (see "...

Camshaft and valve levers — replacement
The work is shown on the example of a carburetor engine. On an injection engine, work is carried out in a similar way. You will need a torque wrench to get the job done. Removing...

Clearance between valve levers and camshaft cams — adjustment
Clearances are adjusted on a cold engine. For adjustment, it is recommended to use a set consisting of a probe of increased width and two open-end wrenches: at 13 and 17 mm . The...

Oil-reflecting caps of the gas distribution mechanism — replacement
We replace the valve stem seals when blue smoke appears from the exhaust pipe, especially when engine braking. Required to work cracker, inertial puller, torque wrench and tin...

Oil pressure sensor — replacement
The sensor is installed in the cylinder block on the left side. Removing 1. We prepare the car for operations (see " Vehicle preparation for maintenance and repair "). 2....

Engine oil pan — removal and installation
We remove the oil pan to replace the gasket, oil pump or crankshaft. To get the job done you will need torque wrench. Removing 1. We install the car on a viewing hole or overpass...

Oil pump drive gear — replacement
The oil pump drive gear is located in the technological hole of the cylinder block under the ignition distributor (carburetor engine) and plug (injection engine). We show the work...

Accessory Drive Shaft — Replace
The drive roller is installed in a hole made in the front of the cylinder block. Removing 1. We prepare the car for operations (see " Vehicle preparation for maintenance and...

Front crankshaft oil seal — replacement
We replace the oil seal when oiling of the front of the engine is detected due to oil splashing by the crankshaft pulley. Removing 1. We install the car on a viewing hole or...

Gaskets of the intake pipeline and exhaust manifold of the carburetor engine — replacement
Removing 1. We install the car on a viewing hole or overpass (see " Vehicle preparation for maintenance and repair "). 2. Drain the coolant (see " Coolant - level check and...

Gasket of a head of the block of cylinders of the carburettor engine — replacement
We remove the cylinder head without disconnecting the carburetor, intake manifold and exhaust manifold from it. You will need a torque wrench to get the job done. Removing 1. We...

Injection Engine Cylinder Head Gasket — Replace
We remove the cylinder head without disconnecting the receiver, intake manifold and exhaust manifold. You will need a torque wrench to get the job done. Removing 1. We install the...

Receiver — removal and installation
We remove the receiver to replace it or replace the gaskets, dismantle the intake pipe and exhaust manifold, as well as to access the fuel rail. You will need a torque wrench to...

Gasket of the inlet pipeline and an exhaust manifold of the injection engine — replacement
Removing 1. We install the car on a viewing hole or overpass (see " Vehicle preparation for maintenance and repair "). 2. For the convenience of work, remove the battery (see "...

Oil pump — replacement
The oil pump is replaced in case of insufficient or excessive oil pressure in the engine when idling. Removing 1. We install the car on a viewing hole or overpass (see " Vehicle...

Oil separator of the crankcase ventilation system — removal and installation
Removing 1. We prepare the car for operations (see " Vehicle preparation for maintenance and repair "). 2. Remove the oil level indicator from the guide tube (see " Engine oil -...

Power unit mounts — replacement
Removing the front supports 1. We install the car on a viewing hole or overpass (see " Vehicle preparation for maintenance and repair "). 2. Remove the mudguards (see " Mudguard -...

Engine — removal and installation
There are two options for removing the engine: with disassembly and without disassembly. Removal of the engine with disassembly is recommended in the absence of mechanical or...

Flywheel — removal and installation
We remove the flywheel to replace it, as well as when replacing the crankshaft rear oil seal and disassembling the engine. Removing 1. We install the car on a viewing hole or...

Rear crankshaft oil seal — replacement
Removing 1. We install the car on a viewing hole or overpass (see " Vehicle preparation for maintenance and repair "). 2. Remove the flywheel (see above, " Flywheel - removal and...

Crankshaft — removal and installation
We remove the crankshaft to replace it or replace the liners. Removing 1. We install the car on a viewing hole or overpass (see " Vehicle preparation for maintenance and repair...

Pistons — replacement
To do the job, you will need mandrels to remove the piston pin and crimp the rings. Removing 1. We install the car on a viewing hole or overpass (see " Vehicle preparation for...