SSM 49511 High Voltage Battery Coolant Expansion Tank Above the MaxFill Line From The Factory

SnBGC

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Effective Jan 29 2021
SSM 49511 - 2021 Mustang Mach-E - High Voltage Battery Coolant Expansion Tank Above The MaxFill Line From The Factory

Some 2021 Mustang Mach-E vehicles may exhibit a condition of the high voltage battery coolant expansion tank reading over the max fill line. The max fill line may be disregarded, only the min line is relevant. Do not attempt to remove coolant from the high voltage battery coolant expansion tank if the coolant level is above the max fill line.

APPLICABLE VEHICLES
2021 CAR: GW CX727N C-EV





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GoGoGadgetMachE

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"don't worry - the 'maximum' is just a suggestion"
 

Ponypower50

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All Hat No Cattle

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"don't worry - the 'maximum' is just a suggestion"
Knowing people, especially do-it-yourselfers, LOL, without that Max line people would fill it right to the top. And make a mess the first warm day. :)
 

Raymondjram

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My 2014 Fusion Hybrid has a smaller coolant tank for the HV electronics and every day the level reaches and passes the "Max" line but the cold level is correct according to the dealer. So I never worry unless it drops below the "Min" line. It is already six years old and never needed replenishment.
 

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