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Service bulletins for the 1999 Mercury Cougar

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.

229 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
0421072005-04-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GENERAL (PCM) POWER TRAIN CONTROL MODULE PROGRAMMING PROCEDURES. *TT
042172005-04-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GENERAL POWER TRAIN CONTROL MODULE (PCM) PROGRAMMING PROCEDURES. *TT
031482003-10-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. NEW TRANSMISSION COOLER FLUSHER - SERVICE TIPS. 2003 ESCORT AND SUPER DUTY F SERIES INCLUDED. *TT
02242002-04-19. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. 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
011812001-11-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH. BRAKE SHIFT INTERLOCK.*JB
001822001-04-17. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. 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
117912001-01-12. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SOME VEHICLES WITH CD4E TRANSMISSION MAY EXHIBIT A CONDITION OF NO CRANK / NO START IN PARK. VEHICLE WILL CRANK AND START IN NEUTRAL. *TT
46742001-01-05. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SOME VEHICLES WITH CD4E TRANSMISSION MAY EXHIBIT A CONDITION OF NO CRANK / NO START IN PARK. VEHICLE WILL CRANK AND START IN NEUTRAL. *TT
991522001-01-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON THE NEW FLUSH AND FILL TOOL AVAILABLE THROUGH ROTUNDA. *TT
125192000-11-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. CD4E TRANSAXLE MAY EXHIBIT A NO FORWARD DRIVE CONCERN. *TT
127022000-11-09. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SOME 5-SPEED MANUAL TRANSMISSION EQUIPPED VEHICLES BUILT PRIOR TO MARCH 15, 1999 MAY EXHIBIT A GRINDING NOISE FROM THE FRONT END ON TURNS. *TT
9851362000-06-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. SOME VEHICLES WITH CD4E TRANSMISSION MAY EXHIBIT A TRANSMISSION FLUID LEAK. *TT
121192000-06-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES TRANSMISSIONS MAY EXHIBIT A TRANSMISSION FLUID LEAK. *MJS
00192000-06-07. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. INFORMATION REGARDING SEVERAL INTERNAL CHANGES THAT HAVE BEEN IMPLEMENTED ON THE MRX-75 TRANSAXLE TO IMPROVE SHIFT EFFORTS. *MJS
00152000-06-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS
992492000-03-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THIS BULLETIN ADDRESSES AN ISSUE WITH THE AUTOMATIC TRANSMISSION FLUID SEEPING FROM THE VENT, RESULTING IN FLUID COLLECTING ON THE MAIN CONTROL ASSEMBLY. *TT
99127021999-12-06. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SOME 5-SPEED MANUAL TRANSMISSIONS EQUIPPED VEHICLES BUILT PRIOR TO MARCH 15, 1999 MAY EXHIBIT A 'GRINDING' NOISE FROM THE FRONT END WHEN ACCELERATING DURING A HARD RIGHT HAND TURN. *TT
991481999-11-24. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME 2.5L VEHICLES EQUIPPED WITH MTX-75 TRANSAXLE MAY NOT MOVE. THIS MAY BE CAUSED BY THE DIFFERENTIAL GEAR FAILING. *TT
991471999-11-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). INFORMATION ON USING THE SERVICE BAY TECHNICAL SYSTEM (SBTS) AND NEW GENERATION STAR (NGS) TESTER, AND TO UPDATE THE POWERTRAIN CONTROL MODULE (PCM) INFORMATION CHARTS. *TT
991751999-10-04. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES MAY HAVE NO FORWARD ENGAGEMENT MOVEMENT OCCURRING ALTHOUGH REVERSE ENGAGEMENT MAY BE POSSIBLE DUE TO OVERDRIVE / REVERSE RING GEAR ASSEMBLY CAUSING A WOBBLE AND SIDE LOADING OF THE FORWARD CLUTCH SNAP RING RETAINER. *TT
9960411999-09-08. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. VEHICLES MAY EXHIBIT A HARD TO SHIFT CONDITION IN COLD WEATHER. *TT
991371999-08-26. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES MAY EXHIBIT A NO FORWARD ENGAGEMENT. *TT
125981999-06-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. INFORMATION REGARDING TWO CD4E TRANSAXLES ADDED TO FORD QUALITY RENEWAL (FQR) PROGRAM. *TT
58231999-06-04. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES EQUIPPED WITH A CD4E TRANSAXLE MAY EXHIBIT A TRANSMISSION NO FORWARD ENGAGEMENT. *TT
99431999-05-11. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE; POWER TRAIN. INFORMATION REGARDING REPROGRAMMING POWERTRAIN CONTROL MODULES (PCMS). *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.