Replacing the radiator of a GAZ-3110 car
We remove the car engine cooling radiator for washing or for repair and replacement
Disconnect the wire from the negative terminal of the battery
Drain the cooling system.
Loosen clamp 2 and disconnect hose 1 from expansion tank.
Loosen clamp 1 and disconnect steam exhaust hose 2 from the radiator.
Disconnect the wires from fan switch sensor 1 and from block 2 of the fan motor.
Loosen clamp 1 and disconnect radiator outlet hose 2 from the water pump.
Loosen the tightening of clamp 2 and disconnect the radiator supply hose 1 from the thermostat housing cover.
Unscrew the five bolts 1 and remove the top plate 2. On the engine mod. 4062, remove the radiator assembly with hoses, fan and fan casing upwards.
On engines mod. 402 and 4021, unscrew the nuts securing the fan casing to the radiator.
Then slide the casing onto the fan and lift the radiator up.
Disconnect the hoses from the radiator.
Unscrew the four nuts 1 and remove the fan casing 2 with the fan.
If you need to remove the fan from the casing, unscrew three nuts 3. Unscrew sensor 4 of the fan motor.
Inspection of the radiator
Rinse the outside of the radiator with running water and dry.
If there are cracks in the plastic radiator tanks, replace the radiator.
Check the radiator for tightness by plugging the radiator pipes, except for one, to which connect the compressed air hose.
Immerse the radiator in a bath of water and apply air under a pressure of 1 atm for about 30 s.
In areas of leakage, air bubbles will escape. In this case, replace the radiator.
Inspect the radiator mounting pads, if they are torn, cracked or the rubber has lost elasticity, replace the pads.
Installing the radiator
Install the radiator in the reverse order of removal.
When installing the radiator, the mounting pins from the bottom of the radiator must engage the rubber mounting pads for the radiator.
