Removing the heater
Disconnect the wire from the "negative" terminal of the battery.
Drain the coolant.
Remove the instrument panel.- article GAZ-3110 instrument panel removal
Figure 1 shows the connection diagram of the electrical parts of the heater.
Remove the spring holder 2, loosen the fastening bolt 1 and disconnect the heater tap linkage 3 from the tap drive lever.
If an air intake damper is installed, it is necessary to disconnect its rod from the lever in the same way.
Remove holder 1 from the rod by turning it around the axis.
Disconnect the heater damper rod 2 while holding the holder.
Remove the spring holder, loosen the fastening bolt 4 and disconnect the draft 3 of the ventilation damper from the lever.
Disconnect connector 1 with heater motor wires.
Disconnect the two pads 2 from the resistor.
Loosen the clamps and disconnect the drain and fluid supply hoses from the heater tap from the side of the engine compartment.
Remove the central blower 1 from the heater pipes.
Remove two fastening bolts 4 and remove both pipes 2 for blowing the windshield together with corrugated hoses 3 on both sides of the heater.
Remove the three nuts securing the heater
Lower the right side of the heater until it comes off the studs. This must be done carefully so as not to damage the heater radiator pipes
Remove the heater by pulling it towards you
Disassembling the heater
Remove the mounting spring clip by prying it with a screwdriver.
Remove the five bolts securing the upper casing on both sides of the heater body.
Remove the upper casing 1 with rubber gasket 2 (glued), leading the upper radiator pipe 3 out of the opening of the casing.
Pull up the heatsink with foam padding from the lower casing.
Turn the impeller cover 1 upwards by 90° and disengage the two plastic fixing latches.
Pull up the lower flap with shaft 2.
Loosen locking screw 1 and remove turbine 2 from heater motor shaft.
Remove the two engine mounting nuts under the turbine and remove the engine
Replacing the heater motor brushes
Remove retaining ring 1 with washer 2 from armature shaft.
Unscrew two screws 1 from the opposite end of the motor and remove two captive nuts 2.
Pressing the anchor, push cover 2 with brush holder 3 out of the body.
Unsolder the brush bundles 1, remove the brushes, insert new ones and solder the bundles.
Holding the brushes in the brush holder with two screwdrivers, extend the shaft so that the commutator comes out of the housing.
Put the brushes on the commutator and slide the cover on the shaft until it stops
Slide the anchor together with the cover into the hull.
Turn the cover so that the protrusions on it fit into the grooves on the body. At the same time, pay attention to the fact that the protrusions and grooves have different sizes.
Insert the cage nuts and tighten the two cover screws.
Install the washer and retaining ring on the armature shaft.
The heater is assembled and installed in the reverse order.
From operating experience
Of course, on the Volga, a stove is not a fountain. Because the engine on these cars works in completely different temperature conditions compared to VAZ cars. Therefore, you need to take this into account in the winter.
To achieve a comfortable temperature in the car, you need to shade the engine radiator and insulate both the engine compartment itself and the passenger compartment. Monitor the tightness of doorways, etc.
Recently, many Volga car drivers have begun to install an additional electric pump on a small circle of the cooling system. Pretty good results.
And of course, you need to check the condition of the stove radiator. Many people think that their radiator is clogged. Although, upon opening and disassembling, it turned out that the radiator cells were simply clogged with leaves and dust from the outside.
It should not be forgotten that the coolant flows through the heater radiator in a small circle. Makes her do this thermostat, which must be closed during engine warm-up.
And if for some reason the thermostat was removed or does not work properly, then the proper temperature of the stove cannot be achieved.