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Re: 2003 Trailblazer poor cooling
Posted to HVAC Forum on 6/20/2006

Hi Eric,

The revised part # for the fan clutch is 15293048 and there is a reprogram to allow the fan clutch to engage sooner and more at idle and low engine speeds.

Also, make sure the condensor is OEM and not an aftermarket if it was replaced. Is the radi... Login to read more.