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might be a bad fuel sender unit or BCM
how do you know when thermostat is bad in 19997 Pontiac sunfire
how do you know if the thermostat for the ford escort sport 1999 is bad
To change the refrigerant in a Buick Rendezvous you will need to remove the old freon. Freon is bad for the ozone, so you will need to hook to a special machine and reclaim it. Next you will need to pull a vacuum on the ac syatem, then fill with new freon.
It may be a bad wiper switch
Being a GM product I would suspect the fuel pump is bad.
Could be a bad thermostat or heater core
Could be a bad thermostat or heater core
Low coolant? Radiator dirty or plugged? Bad thermostat? Bad water pump? Cooling fans not working? Bad radiator cap?
It can be a broken wire in the hinge area, a bad switch, or simply a bad window regulator.See this post for instructions on how to diagnose the problem:
Coolant not reaching temp required. Usually it's sign of bad thermostat.
the dash stuff acts like it is possesed, goes on and off, i also heard a clicking noise like it was resetting