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relays clicking

rockcandymountain

2.5L Hybrid
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Seattle
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2015 Duramax
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So, I'm sitting in a parking garage waiting for someone. The engine is off. I'm hearing occasional clicking that sounds like relays opening and closing. It sounds like it is coming from the rear of the truck. My truck is s 2024 xlt hybrid with only 500 miles on it
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Fumoffu

2.5L Hybrid
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2025 Maverick AWD XLT Hybrid Space White
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2.5L Hybrid
That's normal. It's for the hybrid battery coolant system mainly. There's a lot of posts here regarding them too.
 
 







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