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Coolant reservoir retainer bolt

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Old 01-10-2021, 04:08 PM
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Coolant reservoir retainer bolt
Anyone know the size to the coolant reservoir tank mounting bolt on a 2006 Chevy HHR LT 2.2L? Im trying to find this bolt but I dont know the exact size.
Thanks!
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Old 01-10-2021, 04:53 PM
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It’s a 10 mm it’s been a few months since I had mine out to rinse and inspect for cracks when I changed my Dexcool, I’m pretty sure it’s a 10 mm

I update and correct this information for future readers
Last edited by Oldblue; 01-11-2021 at 12:46 PM. Reason: Future readers , correct information
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Old 01-10-2021, 04:59 PM
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Thanks! Greatly appreciate it
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Old 01-11-2021, 11:49 AM
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BOLT,HEX W/FL WA, M6X1X20,12 THD,24 OD,9.8,GMW3359, M-PT(COOL RCVY RSVR)



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Old 01-11-2021, 12:29 PM
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So M6 would have a 10 mm head.

I went out to my HHR popped open the hood and visually inspected the bolt, it is definitely a 10 mm
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