2003 JEEP GRAND CHEROKEE valve spring

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Page 1341 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual VISUAL TEST METHOD
With the engine cool, remove the coolant pressure
cap. Start the engine and allow it to warm up until
thermostat opens.
If a large combustion/compression pressure leak
exists, bubbl

Page 1347 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual CYLINDER HEAD COVER(S) -
RIGHT
DESCRIPTION
The cylinder head covers are made of die cast mag-
nesium, and are not interchangeable from side-to-
side. It is imperative that nothing rest on the
cylinder

Page 1348 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual STANDARD PROCEDUREÐREFACING
NOTE: Valve seats that are worn or burned can be
reworked, provided that correct angle and seat
width are maintained. Otherwise the cylinder head
must be replaced.
NOTE: W

Page 1349 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (4) Remove the two spring retainer lock halves.
NOTE: the valve spring is under tension use care
when releasing the valve spring compressor.
(5) Remove the valve spring compressor.
(6) Remove the spri

Page 1350 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (7) Install the camshaft bearing cap retaining
bolts. Tighten the bolts 9±13 N´m (100 in. lbs.) in1¤2
turn increments in the sequence shown (Fig. 43).
(8) Position the hydraulic lash adjusters and

Page 1351 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual (4) For rocker arm installation on cylinders 1 and
7 Rotate the crankshaft until cylinder #2 is at TDC
compression stroke.
(5) Using special tool 8516 press downward on the
valve spring, install rocke

Page 1377 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual OIL PUMP
REMOVAL
(1) Remove the oil pan and pick-up tube (Refer to
9 - ENGINE/LUBRICATION/OIL PAN - REMOVAL).
(2) Remove the timing chain cover (Refer to 9 -
ENGINE/VALVE TIMING/TIMING BELT / CHAIN
CO

Page 1384 of 2199

JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual INSPECTION
(1) Inspect the exhaust manifold for cracks in the
mating surface and at every mounting bolt hole.
(2) Using a straight edge and a feeler gauge, check
the mating surface for warp and twist.