The air doors maybe stuck. Or selector switch is not is not operating correctly.
this is not an answer just an update. coolant is filled
First check the coolant level, a coolant leak would cause a heater to stop working- assuming you mean the blower is blowing but it isn't hot. A stuck thermostat will also cause you problems with your heat.
could be head gasket problem. does your heater work? might need heater core , clogged up. do compression test. or bypass heater core and see if that works.
2002 bravada oldsmobile
show location of camshaft position sensor for 2002 Oldsmobile bravada.
Have somone hold a hot cup of water and blow it towards you. This will keep you a little warm. It would be bad if the person had bad breath.
I have a 2002 Oldsmobile bravada and we changed the oil today it took about 7-8 quarts.
Give us the symptoms you are experiencing with your 2002 S-10? or Silverado? Such as, leaking coolant on passenger floor. lack of heat. sweet smell when heater is blowing.
Have you checked your coolant levels?Simply put, the heater runs by blowing past the hot coolant pipes and gives you warm air.
Short some where.
i know the AC in my ZX2 stopped blowing because of a loose wire
The oil capacity is 7quarts