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Service bulletin 0500503

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 id10005218
Published by NHTSA2004-02-14
Manufacturer's number0500503
Manufacturer's date2003-11-07
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

NHTSA's summary

TRANSMISSION FLUID IN-LINE FILTER KIT - REPEAT REPAIRS OF TRANSMISSION - SERVICE TIPS. *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, Automatic transmission

Vehicles listed
MAZDA B-SERIES TRUCK1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 (the catalog's model; the bulletin names a series or trim of it)
MAZDA NAVAJO1992, 1993, 1994

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
05-002-13-27772017-04-14. Service bulletin. ALWAYS BE SURE TO USE THE CORRECT AUTOMATIC TRANSMISSION FLUID WHEN REPLACING ATF. USING THE WRONG ATF MAY CAUSE SHIFT QUALITY COMPLAINTS OR MAY EVEN DAMAGE THE TRANSMISSION.NOTE:•ATF M-V (TYPE M5) IS NOT THE SAME FLUID AS MERCON®V OR MERCON®LV ATF.•ATF M-V (TYPE M5) HAS A GREATER VISCOSITY THAN MERCON®V AND MERCON®LV ATF IN LOW TEMPERATURES. •ATF M-V (TYPE M5) HAS A GREATER ANTI-JUDDER SPECIFICATION THAN MERCON®V AND MERCON®LV ATF.
060120042005-04-27. Service bulletin. PROGRAMMABLE MODULE INSTALLATION. ( 2004 MAZDA B SERIES) *JB
00041232004-03-11. Service bulletin. B28 AND LATER PCM CALIBRATION UPDATE INFORMATION. REPAIR INFORMATION REVIEW1. *TT
05013022003-02-25. Service bulletin. NOISE OR VIBRATION, NO DRIVE ENGAGEMENT, UNUSUAL NOISE DURING CRANKING OR A NO CRANK CONDITION. *TT
04005022003-02-20. Service bulletin. INADVERTENT DISABLING OF BRAKE SHIFT INTERLOCK. *TT
05009022002-10-31. Service bulletin. AUTOMATIC TRANMISSION SLIPPING, DELAYED ENGAGEMENT AND DIAGNOSTIC TROUBLE CODES P0732, P0733 OR P1762. *TT
05010022002-10-01. Service bulletin. SOME VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSION AND BUILT BETWEEN 01-JUN-2001 AND 31-MAR-2002 MAY EXHIBIT A FLUID LEAK AT A TRANSMISSION SERVO COVER (INTERMEDIATE AND/OR OVERDRIVE). *SLC
05004012002-09-28. Service bulletin. SOME VEHICLES MAY EXHIBIT A DELAY OR SLIPPING 1-2 UPSHIFT DURING LIGHT THROTTLE, VEHICLES BUILT FROM 01-AUG-1999 TO 31-JUL-2000 WITH AUTOMATIC TRANSMISSIONS. *SLC
05003012002-03-06. Service bulletin. SUBJECT REGARDING DELAYED REVERSE ENGAGEMENT. *JG
05002012002-03-06. Service bulletin. SUBJECT REGARDING P0733, MALFUNCTION INDICATOR LAMP ON AND/OR DELAYED 1-3 SHIFT. *JG