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Service bulletins for the 1993 Cadillac Allante

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.

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

By type

By component

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
0306040382003-12-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT LIGHT SURGE, CHUGGLE OR BUMP AT 45-60 MPH WITH TCC ENGAGED. *TT
980452000-12-27. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. SOME OWNERS OF CERTAIN VEHICLE MAY COMMENT ABOUT A CONDITION IN WHICH THE CONVERTIBLE FOLDING TOP DOES NOT LATCH PROPERLY AT THE WINDSHIELD HEADER. *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
980451999-02-26. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. COMMENTS ABOUT A CONDITION IN WHICH THE CONVERTIBLE FOLDING TOP DOES NOT LATCH PROPERLY AT THE WINDSHIELD HEADER. *YC
4761421995-11-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. METALLIC KNOCK SOUND FROM ENGINE. *TW
4763071995-11-01. Service bulletin. FUEL SYSTEM, GASOLINE. EXTENDED CRANK TIME AFTER COLD SOAK. *TW
316401A1995-02-27. Service bulletin. VEHICLE SPEED CONTROL. INTERMITTENT LIGHT SURGE, CHUGGLE OR BUMP AT 45-60 MPH WITH TCC ENGAGED. *TW
4771351995-01-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GRINDING/SCRAPING NOISE IN PARK AND NEUTRAL. *TW

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