2002 JEEP GRAND CHEROKEE Engine

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Page 1645 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual A solenoid can also be described by the method by
which it is controlled. Some of the possibilities
include variable force, pulse-width modulated, con-
stant ON, or duty cycle. The variable force and

Page 1647 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual NOTE: Be sure that as the cable is pulled forward
and centered on the throttle lever stud, the cable
housing moves smoothly with the cable. Due to the
angle at which the cable housing enters the sprin

Page 1648 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual IMPELLER
The impeller (Fig. 246) is an integral part of the
converter housing. The impeller consists of curved
blades placed radially along the inside of the housing
on the transmission side of the co

Page 1649 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual TURBINE
The turbine (Fig. 247) is the output, or driven,
member of the converter. The turbine is mounted
within the housing opposite the impeller, but is not
attached to the housing. The input shaft i

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OPERATION
The converter impeller (Fig. 251) (driving member),
which is integral to the converter housing and bolted
to the engine drive plate, rotates at engine speed.
The converter turbine (driven me

Page 1652 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual TORQUE CONVERTER CLUTCH (TCC)
The torque converter clutch is hydraulically
applied and is released when fluid is vented from the
hydraulic circuit by the torque converter control
(TCC) solenoid on the

Page 1659 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual REGULATOR VALVE
The pressure regulator valve is needed to control
the hydraulic pressure within the system and reduce
the amount of heat produced in the fluid. The pres-
sure regulator valve is locate

Page 1669 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual THROTTLE VALVE
In all gear positions the throttle valve (Fig. 273) is
being supplied with line pressure. The throttle valve
meters and reduces the line pressure that now
becomes throttle pressure. The