2002 JEEP LIBERTY exhaust

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Page 1298 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual ENGINE
TABLE OF CONTENTS
page page
ENGINE - 2.4L
DESCRIPTION..........................3
DIAGNOSIS AND TESTING
DIAGNOSIS AND TESTING - CYLINDER
COMBUSTION PRESSURE LEAKAGE
TEST.........................

Page 1299 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual CRANKSHAFT
DESCRIPTION.........................32
OPERATION...........................33
STANDARD PROCEDURE - CRANKSHAFT
ENDPLAY ...........................33
REMOVAL.............................33
IN

Page 1300 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual ENGINE - 2.4L
DESCRIPTION
The 2.4 Liter (148 cu. in.) in-line four cylinder
engine is a double over head camshaft with hydraulic
lifters and four valve per cylinder design. The engine
is free-wheeling

Page 1303 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual CONDITION POSSIBLE CAUSE CORRECTION
ENGINE STALLS OR IDLES
ROUGH1. Idle speed too low. 1. Test minimum air flow. (Refer to
Appropriate Diagnostic Information)
2. Incorrect fuel mixture. 2. (Refer to A

Page 1309 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual NOTE: Plastigage is available in a variety of clear-
ance ranges. Use the most appropriate range for
the specifications you are checking.
(4) Install the proper crankshaft bearings to
achieve the spec

Page 1310 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual (8) Install the starter.
(9) Connect the crankshaft position sensor.
(10) Install the engine block heater power cable, if
equipped.
CAUTION: The structural cover requires a specific
torque sequence. F

Page 1312 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual DESCRIPTION SPECIFICATION
Exhaust 6.60 mm
(0.259 t>
Intake Valve Timing*
Closes (ABDC) 51É
Opens (BTDC) 1É
Duration 232É
Exhaust Valve Timing*
Closes (ATDC) 7É
Opens (BBDC) 47É
Duration 234É
Val

Page 1313 of 1803

JEEP LIBERTY 2002 KJ / 1.G Workshop Manual DESCRIPTION SPECIFICATION
Valve Springs
Free Length (Approx.) 48.4 mm
(1.905 in.)
Nominal Force (Valve
Closed)338 N @ 38.0 mm
(75.98 lbs. @ 1.496 in.)
Nominal Force (Valve
Open)607 N @ 29.75 mm
(136 l