My Tahoe wont heat up past 175 degrees on cooler days (40 or below). On warmer days it will reach operating temps of 210 but takes a while to get there. I have changed out the thermostat twice with OEM 186 degree stats with gaskets and housing,fan clutch and temp sensor on block. I've checked heater core and flush it with no problems. Not sure what my problem is and what can I do next. Thanks for any input.
00' Tahoe wont heat up past 175 degrees on cold days
- Thread starter tacco2525
- Start date
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- cold running cold temperature
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