Engine repair

Timing drive with idler

Remove the front timing belt cover

High voltage wires are made of PV PPV wire with a diameter of 8 mm

A helix of nichrome wire is wound on a core with a ferrite filler

Usually, the timing belt is designed to operate for 30,000 km

It is necessary to inspect the belt at each maintenance and check its tension

Drain the oil from the crankcase.

Remove the oil pan.

Disassembly of the engine is presented in the article - "Disassembly of the VAZ-21126 engine"

Defection of engine parts is presented in the article - "Defection of engine parts VAZ-21126"

Since the hydraulic tensioners keep the chains constantly taut, regardless of chain stretch or shoe wear, there is no need to adjust the chain tension during operation

Removing and checking the thermostat

When checking the thermostat on a car after starting a cold engine, the lower hose leading from the radiator should remain cold for some time

Oil pump - gear type, with internal gears and pressure reducing valve

Inspect the cylinder block. If it has cracks, it needs to be replaced

The cylinder block is cast in gray cast iron.

There are coolant channels between the cylinders

After dismantling, we install the engine on a stand for disassembly

Remove the generator, cylinder head, flywheel, oil filter

Removing the engine screen

Relieve pressure in the power system

To check and remove the idle air control (IAC), you need to remove the throttle assembly completely (see “Removing the throttle assembly”) or partially

Remove the engine screen. Disconnect the engine management system wiring harness connectors from the throttle position sensor and idle air control (see “Replacing the idle air control”)