CAMSHAFT
TSB Revision
ENGINE MECHANICAL
11A-37
3. With the timing chain tensioner unlocked, insert special tool
MB992103 inside the timing chain case assembly along the
tension side of the timing chain until the insertion guide line
aligns with the upper surface of the timing chain case
assembly (Figure A).
NOTE: With the timing chain tensioner unlocked, insert the
special tool MB992103 along the tension side of the timing
chain, according to the special tool MB992103 top shape.
The special tool MB992103 can be inserted smoothly to the
position where the special tool MB992103 insertion guide-
line aligns with the timing chain case assembly top surface,
and the spread timing chain tension side guide can be hold.
4. With the special tool MB992103 inserted up to the insertion
guide line, press the special tool MB992103 against the
intake side camshaft sprocket (Figure B) and spread and
hold the timing chain tension side guide (Figure C).
5. Remove the flat-tipped precision screwdriver unlocking the
timing chain tensioner.
6. Pull up the camshaft and camshaft sprocket assembly
(exhaust side) mounting area of the timing chain (Figure D)
to provide allowance for easy installation of the camshaft
and camshaft sprocket assembly (exhaust side) to the
timing chain.
AC705456AC
Timing chain
MB992103
Insertion standard line
AC509177
AC508125
AD
MB992103
MB992103
Timing chain
tensioner
Timing chain
tension side guide
Timing chain
tension
side guide
Timing chain
(tension side)
Camshaft
sprocket
(intake side)
Timing chain
(exhaust camshaft and
camshaft sprocket
assembly side)
A
B
C
D