For use with the FGC35K-FGC70K;
FG35-FG50; FG40K-FG50K Chassis Service Manuals.
GM 4.3L, G6 Gasoline Engine
This service manual covers the GM 4.3L Gasoline Engine installed in Mitsubishi Forklift Trucks and gives detailed
maintenance and repair information. For your convenience the instructions are grouped by systems as a ready reference.
The long productive life of your forklift truck(s) depends on regular and proper servicing. Servicing consistent with
what you will learn from this service manual. Read the respective sections of this manual carefully and familiarize
yourself with all the components before attempting to start a test, repair or rebuild job.
The descriptions, illustrations and specifications contained in this manual are for engines with serial numbers in
effect at the time of printing. Mitsubishi Forklift Trucks reserves the right to change specifications or design without
notice and without incurring obligation.
Whenever a question arises regarding this engine, or this manual, consult your Cat lift truck dealer for the
latest available information.
For items pertaining to the chassis, refer to the Chassis Service Manual. This service manual covers the fuel system
for units built before 01/01/2004. See fuel system supplements for units built after 01/01/2004.
Notes, Cautions, and Warnings
NOTES, CAUTIONS, and WARNINGS are used in this manual to emphasize important and critical instructions. They
are used for the following conditions:
To highlight an essential operating procedure or condition.
Operating procedures or practices that will result in damage to or destruction of the
engine if not strictly observed.
Operating procedures or practices that will result in serious injury or
loss of life if not correctly followed.
Only the inspections to be performed by using special tools or measuring instruments are covered. General service procedures
not covered in this manual, such as visual inspections and cleaning of