Posted 1/30/2019 15:06 (#7284898 - in reply to #7283311) Subject: RE: 2006 Chevy Impala 3.9 slow to heat
Pilot Grove, Missouri
I would flush the heater core, as Angus said. If no improvement, the waterpump impeller may be bad. I have seen vehicles where the stamped steel impeller had nothing left, but a flat disc with some notches. Patrick
2006 Chevy Impala 3.9 slow to heat
