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2009 Mercury Grand Marquis LS 4.6L Differential
Posted to Ford PowerTrain on 3/7/2024 17 Replies

In doing research, I found this whine is not uncommon in the Crown Vic, Grand Marquis and others using Ford's 8.8 diff. This is not a howl as caused by improper backlash but a high pitch whine occurring at all road speeds and almost sounds like tires excep...

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  Related Documents & Media  2009 Mercury Grand Marquis LS

 
Message Closed w/Summary

car Vehicle Data

2009 Mercury Grand Marquis LS

VIN 2MEHM75V69
Engine4.6 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedDifferential
ConditionsWhine
Misc.ABS W/Traction Control, Standard Non Limited Slip Diff
Message Closed w/Summary

car Vehicle Data

2009 Mercury Grand Marquis LS

VIN 2MEHM75V69
Engine4.6 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedDifferential
ConditionsWhine
Misc.ABS W/Traction Control, Standard Non Limited Slip Diff