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Service bulletin 11520

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 id613781
Published by NHTSA2000-08-03
Manufacturer's number11520
Manufacturer's date1998-04-01
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

SOME VEHICLES WITH MTX V6 TRANSAXLE CASES MAY MALFUNCTION DUE TO DIFFERENTIAL GEAR FAILURE POSSIBLY CAUSED BY ABUSIVE DRIVING. *TT

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 CONTOUR1998
MERCURY MYSTIQUE1998

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
02242002-04-19. Service bulletin. SOME VEHICLES EQUIPPED WITH THE CD4E TRANSAXLE MAY EXHIBIT HARSH AND DELAYED 1-2/2-3 UPSHIFTS AFTER TRANSAXLE OR TURBINE SHAFT SPEED SENSOR REPLACEMENT, POSSIBLE DIAGNOSTIC TROUBLE CODES 628, 642, 645, 646, 647, 648, P0731, P0732, P0734, P0741 AND P01744. *TT
001822001-04-17. Service bulletin. SOME VEHICLES MAY EXHIBIT NO FORWARD GEAR RANGES DUE TO THE MISALIGNMENT OF THE FORWARD / COAST CLUTCH CYLINDER SNAP RING WITH RESPECT TO THE LEGS OF THE FORWARD CLUTCH PISTON. *JB
125192000-11-14. Service bulletin. CD4E TRANSAXLE MAY EXHIBIT A NO FORWARD DRIVE CONCERN. *TT
115012000-08-01. Service bulletin. SOME VEHICLES WITH CD4E TRANSAXLES MAY EXHIBIT A NO DRIVE CONCERN WHEN IN THE OVERDRIVE SELECTOR POSITION. *TT
00192000-06-07. Service bulletin. INFORMATION REGARDING SEVERAL INTERNAL CHANGES THAT HAVE BEEN IMPLEMENTED ON THE MRX-75 TRANSAXLE TO IMPROVE SHIFT EFFORTS. *MJS
981522000-04-03. Service bulletin. TRANSAXLE FAILED. YD
992012000-02-10. Service bulletin. CONCERNS WITH A HARSH SHIFT FELT AT LARGE THROTTLE OPENINGS (OR AT HEAVY ACCELERATION RATE) ON SOME VEHICLES. *TT
991481999-11-24. Service bulletin. SOME 2.5L VEHICLES EQUIPPED WITH MTX-75 TRANSAXLE MAY NOT MOVE. THIS MAY BE CAUSED BY THE DIFFERENTIAL GEAR FAILING. *TT
125981999-06-08. Service bulletin. INFORMATION REGARDING TWO CD4E TRANSAXLES ADDED TO FORD QUALITY RENEWAL (FQR) PROGRAM. *TT
58231999-06-04. Service bulletin. SOME VEHICLES EQUIPPED WITH A CD4E TRANSAXLE MAY EXHIBIT A TRANSMISSION NO FORWARD ENGAGEMENT. *TT