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Make Sure Air Bleed Valve is Open Before Refilling Coolant on Chrysler 300M

Problem overview

Before refilling the coolant, make sure the air bleed valve is open. Follow the proper fill procedure—it will prevent problems with overheating, low heat output from the heater, and possible coolant bottle failure.

17 people reported this problem

4 comments

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Chrysler 300M vehicles with this problem

5 model years affected

Average mileage: 132,617 miles

(88,000 - 185,000)

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Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

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Make Sure Air Bleed Valve is Open Before Refilling Coolant on Chrysler 300M

Problem overview

Chrysler 300M vehicles with this problem

Need a diagnosis? Trust our Chrysler experts.

Search for another problem

Ask our experts about your Chrysler.