Car heat not working
The heat in my car was not working so I had the system flushed. They
stated they flushed it twice and left a garden hose on it for one hour. They
also replaced my thermostat. My heat worked great for about 2 weeks and
then became very week, like lukewarm. I had the system flushed again per
the mechanics suggestion and it worked great again, for about 2 weeks and
is back to lukewarm. One mechanic tells me that they had a Grand Prix that
took 6 flushes to get all the gunk worked out of the system and another says
he thinks I need to replace my heater core. Any insight is appreciated as I
am clueless to this stuff.