Vehicle make/model = Olds Aurora
Year = 1995
Mileage = 150000+
Engine size = 4.0 litre V8
dash lights = service engine, low engine coolant
work done to repair = GM dealer replaced water pump, later replaced
by-pass hoses beyond pump
tech = KK
question = Engine was losing water & noticed leak. Repairs were done &
re-done. After repairs engine temp was way to hot. Bottom radiator hose
burst. Replaced hose, still running hot. replaced thermostat, still
running hot. Could not get to a repair shop, running hot, mechanic said
to bleed air from block. Where & how? Tried threaded cap where radiator
flush goes. I don't think this is right. Help






KK:
Hello and welcome. The best way to bleed that aurora is to let it idle with the radiator cap
off. Hold the RPM's up t0 about 1,500 a couple of times. It takes a while to get the air out
of those. What you should do while it is running is keep an eye out for bubbles in the
surge tank. These engines are well known for having blown headgaskets, and that is a
good signal.
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