2008 Chrysler 300 overheating
10

Asked by Kevin May 04, 2018 at 11:00 PM about the 2008 Chrysler 300 Touring RWD

Question type: Maintenance & Repair

My car overheats when i turn the AC on. The fans
dont come on at all . when i turn the heat on
temperature gauges drop back to normal level.
What could be the problem

4 Answers
9,725

brotherben answered 6 years ago

If your coolant level is good, the problem could be the thermostat.

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10

Kevin answered 6 years ago

Yeah coolant level is good havent lost any fluids. So your saying if the thermostat is bad it would cause the fans to not turn on?

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9,725

brotherben answered 6 years ago

Sorry. I misunderstood that. You need to check your fuses, relays, and wiring to your fan. I might be wrong on this but running the AC, the compressor contributes heat to your engine and running the heat pulls heat from your engine.

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DHighway59 answered 5 years ago

The fans would come on if all fuses, relays, and temp sensor is good, usually when the factory T- Stat goes bad they will fail in the open position there called Fail-Safe t stats allows coolant to still circle into the water jacket, but you won't have heay

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