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Service bulletin 6599

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id610702
Published by NHTSA2000-05-11
Manufacturer's number6599
Manufacturer's date1999-07-01
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

SOME VEHICLES WITH MODEL 80 REAR AXLES ONLY MAY EXHIBIT A CONCERN WITH THE AMOUNT OF SOUND, WHINE PRODUCED ABOVE 35 MPH.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Axle

Vehicles listed
FORD E SERIES1996 to 1999
FORD E-4501996, 1997, 1998, 1999
FORD E-SUPER DUTY1996 to 1999

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
138222001-07-23. Service bulletin. SOME VEHICLES WITH MODEL 80 REAR AXLES ONLY MAY EXHIBIT A WHINE ABOVE 35 MPH. *TT
52242001-01-13. Service bulletin. SOME VEHICLES WITH THE DANA 80 MODEL AXLE MAY EXHIBIT A CUSTOMER CONCERN WITH THE LEVEL OF SOUND (WHINE) THAT IS PRODUCED ABOVE 35 MPH. ENGINEERING IS INVESTIGATING. *TT
121862000-06-19. Service bulletin. SOME E-450 VEHICLES WITH THE DANA 80 MODEL AXLE MAY EXHIBIT A CUSTOMER CONCERN WITH THE LEVEL OF SOUND (WHINE) THAT IS PRODUCED ABOVE 35 MPH. *MJS
138222000-06-13. Service bulletin. SOME VEHICLES WITH MODEL 80 REAR AXLES ONLY, MAY EXHIBIT A WHINE ABOVE 35 MPH. *MJS
80482000-06-07. Service bulletin. SOME VEHICLES WITH MODEL 80 REAR AXLES ONLY MAY EXHIBIT A WHINE ABOVE 35 MPH. *TT
58161999-06-04. Service bulletin. FOR VEHICLES WITH MODEL 80 REAR AXLES, EXHIBITING A WHINE NOISE CONCERN, A SERVICE KIT WITH A DAMPENED DRIVESHAFT IS AVAILBLE. *TT