cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

Engine Block Heaters - Revised Information|Page 1111 > < Cylinder Liner|Service and Repair
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Engine Block Heater: Technical Service Bulletins
Engine Block Heaters - Revised Information

Bulletin No.: T-93-130
File in Group: 16
Number: 50
Corp.Ref.No.: 316104
Date: Aug. 1993

SUBJECT:
INFORMATION ON ENGINE BLOCK HEATERS

MODELS AFFECTED:
ALL 1982-1994 CADILLACS WITH 4.1L, 4.5L, 4.9L V8 ENGINE

Beginning with model year 1987, 4.1L V8 engines received a structural redesign to the engine crankcase which prevents the 1982 through 1986
clamp-on engine block heater from being used. Consequently a revised block heater was released.

Engine Block Heaters - Revised Information|Page 1111 > < Cylinder Liner|Service and Repair