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1990 Caterpillar 3406b

Component

Engine And Engine Cooling:Engine:Gasoline

Consequence of Defect

the governor servo pin on the engine can come out while the engine is operating due to lack of an adequate press fit and/or inadequate staking at the end of the pin bore.

Corrective Action

if the governor servo pin comes out while the engine isbeing operated, the fuel rate will not change and the truck will continue at theoperating speed even though the throttle pressure is decreased.

Recall Notes

rework the governors on the engines to prevent the loss of servo pins.

1989 Caterpillar 3406b

Component

Engine And Engine Cooling:Engine:Gasoline

Consequence of Defect

the governor servo pin on the engine can come out while the engine is operating due to lack of an adequate press fit and/or inadequate staking at the end of the pin bore.

Corrective Action

if the governor servo pin comes out while the engine isbeing operated, the fuel rate will not change and the truck will continue at theoperating speed even though the throttle pressure is decreased.

Recall Notes

rework the governors on the engines to prevent the loss of servo pins.

1988 Caterpillar 3406b

Component

Engine And Engine Cooling:Engine:Gasoline

Consequence of Defect

the governor servo pin on the engine can come out while the engine is operating due to lack of an adequate press fit and/or inadequate staking at the end of the pin bore.

Corrective Action

if the governor servo pin comes out while the engine isbeing operated, the fuel rate will not change and the truck will continue at theoperating speed even though the throttle pressure is decreased.

Recall Notes

rework the governors on the engines to prevent the loss of servo pins.

1987 Caterpillar 3406b

Component

Engine And Engine Cooling:Engine:Gasoline

Consequence of Defect

the governor servo pin on the engine can come out while the engine is operating due to lack of an adequate press fit and/or inadequate staking at the end of the pin bore.

Corrective Action

if the governor servo pin comes out while the engine isbeing operated, the fuel rate will not change and the truck will continue at theoperating speed even though the throttle pressure is decreased.

Recall Notes

rework the governors on the engines to prevent the loss of servo pins.