Impala V6-3.4L VIN E (2000)
9. 3.4L - Close the air bleed valve (1) on the thermostat bypass pipe.
10. 3.4L - Close the air bleed valve (1) on the thermostat housing.
11. Fill the coolant recovery reservoir to the COLD mark with of a 50/50 mixture of ethylene glycol and clean drinkable water.
Notice: The Low Coolant warning/indicator lamp may come on after this procedure. If after operating the vehicle so that the engine heats up and
cools down three times, the Low Coolant warning/indicator lamp does not go out, or fails to come on at the ignition check, and the coolant is
above the full cold mark in the reservoir, refer to Low Coolant Warning/indicator Lamp in Instrument Panel, Gauges and Warning Indicators. If at
any time the Temperature warning/indicator lamp comes on, immediate action is required. Turn OFF the engine and allow the vehicle to cool. Do
not remove the coolant recovery reservoir cap at this time.
12. Inspect the freeze protection of the engine coolant after the engine heats up and cools down three times using a refractometer or a
thermohydrometer to ensure proper freeze -37° C (-34° F) protection. Obtain the coolant mixture for the inspection from the base of the radiator
neck, NOT from the coolant recovery reservoir.