ENGINE 273 MPFI
105
ENGINE
INSPECTION AND REPAIR DATA
Inspection Of Engine Components
NOTE
• During and immediately after disassembly,
inspect cylinder block and head for evidence of
water leakage or damage.
• Wash all disassembled parts clean, removing
grease, slime, carbon and scales, before
inspecting them to determine whether repair is
necessary or not.
• Be sure to de-scale the water jackets.
• Use compressed air to clear internal oil holes
and passages.
• Do not disturb the set combinations of valves,
bearings and bearing caps, etc. Have the sets
segregated and identified.
Cam Shaft
Cam shaft Pin Diameter
A noisy engine or an engine producing not enough
power is frequently due to its camshaft excessively
worn or bent or bowed. The wear could occur on its
cams and journals.
CAM SHAFT PIN DIAMETER
25.967 mm to 25.98 mm
CAMSHAFT DIAMETERAT LOBE
43.55 +/-0.1mm
Camshaft run-out
Hold the camshaft between two center points, with a
dial gauge rigged up to measure its runout. Replace
the camshaft if the amount of runout so measured
exceeds the limit.
CAMSHAFT RUN-OUT
STANDARDVALUE
LIMIT
0.025 mm
0.05 mm




