04 Expy Whine???
Senior User
Joined: Aug 2003
Posts: 411
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also i found this for the expedition...its for a 2003 and a 4x2 but it could help you
Make : FORD Model : EXPEDITION Year : 2003
Service Bulletin Num : 16088 Date of Bulletin: JUL 01, 2002
NHTSA Item Number: 636291
Component: POWER TRAIN:AXLE ASSEMBLY
Summary:
SOME 4X2 VEHICLES MAY EXHIBIT A REAR AXLE WHINE AT 50 AND 62 MPH IN COAST OR DRIVE. *TT
Make : FORD Model : EXPEDITION Year : 2003
Service Bulletin Num : 16088 Date of Bulletin: JUL 01, 2002
NHTSA Item Number: 636291
Component: POWER TRAIN:AXLE ASSEMBLY
Summary:
SOME 4X2 VEHICLES MAY EXHIBIT A REAR AXLE WHINE AT 50 AND 62 MPH IN COAST OR DRIVE. *TT
Freshman User
Joined: Feb 2004
Posts: 41
Likes: 0
Just an update... I finally took my 04 Expy XLT in to have the radio replaced (they agreed to put in an Audiophile from an EB Expy) to resolve my high-pitched radio noise (from the built-in cooling fan). Well I told them to take a test drive and check out my rear end whining/roaring noise. At first they told me they thought it might be the tires (I told them the sound goes away immediately when you take you foot off th gas), so they switched the tires around to test that. Long story short, they ended up replacing the ring and pinion gear and all is good now.
So let's recap - I've put 4500 miles on my '04 and have replaced the following so far:
1) all four tires (the orig were out-of-round)
2) 6-cd radio
3) rear end
So let's recap - I've put 4500 miles on my '04 and have replaced the following so far:
1) all four tires (the orig were out-of-round)
2) 6-cd radio
3) rear end
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