Sable car GAZ-2752, 2217, 2310>> Diagnostics of malfunctions>> Heating and ventilation system

Heating and ventilation system

Cause of defect

Elimination method

The electric motor of the fan of a heater (the main or additional) does not work

Wires are damaged, their tips are oxidized or put leaky on

Press out tips, smooth out tips, replace faulty wires

Wear, lag of brushes of the electric motor, break in an anchor winding, oxidation, wear of a collector

Smooth out a collector or replace the electric motor

Short circuit on "mass" of a winding of an anchor (at once fuses a safety lock)

Replace the electric motor

The heater switch is faulty

Replace the switch

The electric motor of the fan of a heater does not work at small speed

The additional resistor burned down, its wires are damaged or their tips are put leaky on

Replace the resistor, press out tips, smooth out tips, replace faulty wires

The heater switch is faulty

Replace the switch

The anchor of the electric motor of the fan of a heater rotates slowly

The collector is polluted or oxidized

Smooth out a collector or replace the electric motor

Mezhvitkovoye short circuit of a winding of an anchor (can fuse a safety lock)

Replace the electric motor

Jamming of a shaft of an anchor in bearings (the scratch, squeal, can fuse a safety lock)

Replace the electric motor

The salon of the car is warmed badly

Insufficient temperature of cooling liquid

See. Engine and its systems: «The engine long gets warm to working temperature»

It is not enough liquid in cooling system

See. Engine and its systems: «Falling of level of cooling liquid in a broad tank»

Jamming of the crane of a heater in a closed position, a zaslonok of cables, break of cables of management, weakening of their fastening

Replace faulty the crane, cables, zaslonka. Reliably fix covers of cables, grease cables with engine oil, adjust drives

The heater radiator is faulty

Replace a radiator

The heater pump does not join or is faulty

Restore contacts in the switch and sockets, the faulty pump replace

The temperature in salon is not regulated

Jamming of the crane of a heater, zaslonok, cables in covers or their break, weakened fastening of covers of cables

Replace faulty the crane, cables, zaslonka. Reliably fix covers of cables, grease cables with engine oil, adjust drives