Suzuki Liana RH418, Supplementary Service Manual

Page: 159 / 371

Engine Mechanical: 1D-33
Camshaft, Tappet and shim Inspection
S3RH0B1406022
Intake Cam Timing Sprocket Assembly
Fit intake cam timing sprocket assembly to camshaft (2)
and hold hexagonal section of camshaft by using
spanner or the like.
Check if sprocket (1) is not turned by hand.
If moved, replace intake cam timing sprocket assembly.
Cam Wear
Using a micrometer, measure cam height “a”. If
measured height is below its limit, replace camshaft.
Cam height “a”
Camshaft Runout
Set camshaft between two “V” blocks, and measure its
runout by using a dial gauge.
If measured runout exceeds the specified limit, replace
camshaft.
Camshaft runout limit
0.10 mm (0.0039 in.)
Camshaft Journal Wear
Check camshaft journals and camshaft housings for
pitting, scratches, wear or damage.
If any malcondition is found, replace camshaft or cylinder
head with housing. Never replace cylinder head without
replacing housings.
Check clearance by using gauging plastic. Checking
procedure is as follows.
1) Clean housings and camshaft journals.
2) Remove all tappets with shims.
3) Install camshaft to cylinder head.
4) Place a piece of gauging plastic to full width of
journal of camshaft (parallel to camshaft).
5) Install camshaft housing.
Cam height Standard Limit
Intake cam
44.929 – 45.089 mm
(1.769 – 1.775 in.)
44.800 mm
(1.764 in.)
Exhaust cam
44.399 – 44.559 mm
(1.748 – 1.754 in.)
44.280 mm
(1.743 in.)
2
1
I3RH0B140043-01
I2RH0B140080-01
I2RH0B140081-01
I2RH0B140082-01