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Service bulletins for the 1993 Mazda 626

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.

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

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
00-003-19-35832019-03-21. Service bulletin. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; EQUIPMENT. In support of the new MRT distribution, Mazda will ship to dealers a new Dual Purpose Diagnostic Leak Detector beginning March, 2019. Training videos will be posted to MGSS shortly and Workshop Manual procedures will be revised gradually.
015991999-08-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION REGARDING PISTON STANDARDIZATION FOR VEHICLES WITHIN CERTAIN VIN RANGES. *TT
005981999-03-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. EXPERIENCEING A METALLIC TAPPING NOISE HEARD FROM THE RIGHT ( REAR ) CYLINDER HEAD EXHAUST CAM AREA. *YC
971023007971998-03-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLE EXPERIENCING A OIL LEAK AT VALVE COVER. *YC
971023003971998-03-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT PERTAINING TO MTX OVERHAUL INFORMATION. *YC
970830005971998-03-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT ON ESTABLISHMENT OF DISTRIBUTOR COMPONENTS. *YC
970716006/971997-11-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DESCRIPTIONS OF TYPICAL ENGINE NOISES. *YC
004/97B1997-08-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). PARTIAL ENGINE REPLACEMENT (PCV SYSTEM MODIFICATION). *TW
S019/951995-11-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. RATTLE NOISE FROM PRE-MUFFLER BRACKET. *TW
B010/951995-11-01. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. IDLE VIBRATION DUE TO MIS-POSITIONED DAMPERS. *TW
B007/951995-11-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. UNKNOWN
F003/951995-11-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. HARD START WITH COLD ENGINE. *TW
B004/951995-11-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SEAL PLATE MODIFICATION (V6 ENGINE) *TW

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