Mitsubishi Motors 4G1 - Manual (Page 31)

4G1 ENGINE (E - W) - Timing Belt
11A-4-3
PWEE9520
E
Nov. 1995 Mitsubishi Motors Corporation
REMOVAL SERVICE POINTS
A
A
"
TIMING BELT / TENSIONER SPRING / TIMING
BELT TENSIONER REMOVAL
(1) Using pliers, grip the tensioner spring projection (marked
“A” in the diagram)and remove it from the oil pump case
stopper. Then, remove the tensioner spring.
(2) Remove the timing belt tensioner.
(3) If the timing belt is to be reused, chalk an arrow on the
belt to indicate the direction of rotation before removing
it. This will ensure the timing belt is fitted correctly when
reused.
A
B
"
CAMSHAFT SPROCKET BOLT REMOVAL
(1) Using the special tools shown in the illustration, lock the
camshaft sprocket in position.
(2) Loosen the camshaft sprocket bolt.
INSPECTION
1. TIMING BELT
Check the timing belt closely. Replace the belt with a new
one if any of the following defects is evident:
(1) Hardened backing rubber (the backing rubber is glossy,
non-elastic, and so hard that scratching with fingernails
leaves no mark)
(2) Surface cracks in the backing rubber
(3) Splits in the canvas and/or separation of the canvas and
rubber
(4) Cracks at the bases of teeth
(5) Cracks in the side of the belt
(6) Abnormal wear on the belt’s sides
NOTE
The sides of the belt are normal if they are sharp as
if cut by a knife.
MB990767
MD998715
Crack Crack
Separation
Cracked tooth base
Cracked side
Rounded edge
Abnormal wear
(exposed core wire)