Camshaft, Bearings And Lifters-Removal, Inspection And Installation - Jeep cherokee 1989 Owner's Manual

. . .
for the camshaft locating dowel (arrow)
sure they are aligned properly during installation
o'clock position. This positions the crankshaft sprocket timing mark
where the adjacent tooth meshes with the chain at the three o'clock
position. There must be 15 chain pins between the sprocket timing
marks (see illustration).
14 Install the crankshaft oil slinger on the crankshaft with the cupped
side facing out.
15 Install the timing chain cover and vibration damper as described
in Sections 10 and 12.
16 Reinstall the remaining parts in the reverse order of removal.
Run the engine and check for oil leaks and proper operation.
17
14 Camshaft, bearings and lifters
and installation
Refer to illustrations 14.9 and 14. 1 1
1 The extent of camshaft wear can be determined by measuring the
lobe lift. This procedure does not involve removing the camshaft. Refer
t o Chapter 2, Part A, Section
16
14.9 Remove the lifters with a magnetic pick-up tool
(shown here) or a special lifter removal tool
The Motor Manual Guy
Chapter 2 Part C
-
be
-
removal, inspection
for the lobe lift measuring procedure,
CAMSHAFT
SPROCKET
13.13 To verify correct installation. turn the crankshaft
clockwise until the timing marks are positioned as shown
and count the pins between the marks
but use the specifications provided in this Part of C h a ~ t e r
2 To remove the lifters only, follow steps 7 through
17 of this procedure.
3 Remove the radiator, fan and fan shroud (see Chapter 3).
4
On air conditioned models, unbolt the condenser assembly as a
charged unit (see Chapter 3) without disconnecting the refrigerant lines.
Set the condenser aside. It may be necessary to remove the battery
case (see Chapter 5).
5 Remove the distributor (see Chapter 5).
6 Remove the front bumper and/or grille as necessary for the cam-
shaft t o be slid out the front of the engine (see Chapter
Label and then remove the spark plug wires from the spark plugs.
7
8 Remove the cylinder head (see Section 9).
9 Remove the valve lifters (see illustration) and store them separately
so they can be reinstalled in the same bores.
10 Remove the timing chain and sprockets (see Section
1 1 Carefully pull the camshaft out. Temporarily install the sprocket
bolt, if necessary, to use as a handle. Support the cam so the lobes
don't nick or gouge the bearings as it's withdrawn (see illustration).
See Chapter Part A, Section
12 2,
14.1 1 Support the camshaft as you slowly withdraw it
from the block
C RAN K S HAFT
SPROCKET
2.
9, 12, I6
1 1
1 1 for the lifter inspection pro-
and