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Service bulletins for the 1994 Cadillac Deville

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
1300890092023-12-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
017922004-04-28. Service bulletin. ENGINE AND ENGINE COOLING. 4.0L L47, 4.6L LD8 L37 ENGINE WATER PUMP COVER P/N 12571913- THERMOSTAT LOOSE. ALSO INCLUDING MODEL 2003 CADILLAC ELDORADO. *MR
0306010272004-01-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. THIS BULLETIN IS BEING ISSUED TO INFORM DEALERS OF ENHANCEMENTS TO CRANKCASE, OIL DISTRIBUTION PLATE AND OIL PAN SEALING BY USING RTV SEALANT. *TT
9906010192000-01-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. ENGINE OIL LEAKS ALONG THE UPPER TO LOWER CRANKCASE JOINT. *TT
9906010101999-08-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME CUSTOMERS MAY COMPLAIN ABOUT A ENGINE COLD / KNOCK / TICK NOISE. *TT
988765171998-08-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONDITIONS REGARDING DTC CODE P039, TORGUE CONVERTER CLUTCH ENGAGEMENT, MAY SET WHEN DRIVING UP A SLIGHT GRADE AFTER A COLD START. *YC

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