Page 33 - E BOOK ENGINE MECHANICAL M2

5. SERVICE POINTS OF 4B1 ENGINE COMPONENT

<Camshaft and Camshaft Sprocket Assembly
(Exhaust side) Removal Preparatory Operation>
1. Insert a precision flat-tipped screwdriver through the
service hole of the timing chain case, press up the tim-
ing chain tensioner ratchet to unlock, and keep the tim-
ing chain tensioner with that state.

Lightly press down the tail end of the precision
flat-tipped screwdriver to press up the tip of the
Note
precision flat-tipped screwdriver inserted to the
timing chain tensioner to unlock.

Fig. 5-17

2. With the timing chain tensioner unlocked, insert spe-
cial tool chain tension release bar (MB992103) from the
timing chain case assembly inside along the tension
side of the valve timing chain until the insertion guide
line aligns with the upper surface of the timing chain
case assembly (A in the figure).

With the timing chain tensioner unlocked, insert
the special tool MB992103 along the tension
side of the valve timing chain, according to the
Fig. 5-18 special tool MB992103 top shape. The special
tool MB992103 can be inserted smoothly to the
Note
position where the special tool MB992103 in-
sertion guideline aligns with the timing chain
case assembly top surface (B in the figure), and
the spread timing chain tension side guide can
be hold (C in the figure).

5 - 6 Pub. No. PTAE1225