Heater Core Replacement
#22
hey guys...i'm new and not handy just a fan of owning a RR Sport!! i've noticed a lack of heat on the driver side of my 2006....blowing great and its the same at all vents on the driver side...wanting to exhaust all possibilities before replacing heater core....power flush? how to check the blend doors? motors? any thoughts or ideas?
Thank you!
BB
Thank you!
BB
#24
hey guys...i'm new and not handy just a fan of owning a RR Sport!! i've noticed a lack of heat on the driver side of my 2006....blowing great and its the same at all vents on the driver side...wanting to exhaust all possibilities before replacing heater core....power flush? how to check the blend doors? motors? any thoughts or ideas?
Thank you!
BB
Thank you!
BB
I removed a couple panels until I could put my hand on the blend door motors and felt them whirring. It's a poor diagnoatic test but... I did it. I also fed a camera down the vents to visualize the blend doors moving.
When I flushed my heater core it flushed just fine. The flush pushes past the blockage that has settled (apparently) to one bottom corner of the heat exchanger. I didn't cut my old heat exchanger open to do a failure analysis but it seems reasonable. Either way, the flush appeared normal, but no change was detected in heat. Replacement of the heat exchanger resulted in an immediate fix
Best,
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bbyer (02-04-2018)
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