11 C-72
4G6 ENGINE <1992>
- Camshafts and Rocker Arms - DOHC
INSPECTION CAMSHAFT (1) Measure the cam height. Identification mark
Standard value
Limit
35.49 (1.3972) 35.20 (1.3858)
34.99 (1.3776) 34.70 (I .3661)
35.49 35.20 (1.3972) (1.3858)
34.99 34.70 (1.3776) (1.3661)
35.91 (1.3744)
34.41 (1.3547)
Intake AD I3.CF.F Exhaust 2
E.F Roller
Tip I
6EN018!
Scale = 1 mm (.039 in.) M[
\
The camshaft identification mark is stamped on the rear end of camshaft. ROCKER ARM (1) Check the roller surface. If any dent, damage or seizure is evident, replace the rocker arm. (2) Check rotation of the roller. If it does not rotate smoothly or if looseness is evident, replace the rocker arm. (3) Check the inside diameter. If damage or seizure is evident, replace the rocker arm. LASH ADJUSTER LEAK DOWN TEST Refer to “LASH ADJUSTER LEAK DOWN TEST” on pages 1 lC-67 and 11 C-68 . Also note the following. When the lash adjuster is set on a tester, remove the adjusting screw of the tester and adjust it to the height of the lash adjuster as shown in the illustration.
6EN035
Nut
6EN035
INSTALLATION SERVICE POINTS *A4 LASH ADJUSTER INSTALLATION (1) Immerse the lash adjuster in clean diesel fuel. (2) Using a small wire, move the plunger up an down 4 to 5 times while pushing down lightly on the check ball in order to bleed out the air.
6EN042
TSB Revision