Ok so my car has been having temperature issues, figured it was the WP because its a pre 98. SO I get the new one with the black plastic impeller, i take the old one off and its the metal implellar, ,,,,
so should I replace it anyway or leave the old one on? new one has a lifetime warranty??

1996 Contour V6 2.5L 24V 5 speed Shift knob: pilot Nickel Metallic Millennium Plus Series Foglights: Pilot Pictures: http://www.cardomain.com/memberpage/787584