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1.5L REVOTORQ BS VI ENGINE
11
SR.
NO.
COMPLAINT
CAUSE
REMEDY
ENGINE NOISE
8
Abnormal
Noise
from
engine
a) Noise from bearings of bearing block
b) Noise from Alternator/ power steering pump
bearing
c) Defective/ Loose timing belt
d) AC belt loose
e) Water pump bearing failure
f) Con Rod bush worn out
g) Big end/Main bearings & journals of
crankshaft worn out
h) Piston Ring broken
i) Crankshaft broken
j) Exhaust system choked
k) Air Cleaner Element choked
l) Fuel Filters choked
m) Defective Injectors
a) Repair/Replace the bearing
block
b) Repair/Replace the
alternator/power steering
pump
c) Replace the timing belt
d) Replace the belt
e) Replace the water pump
f) Replace Con Rod and
affected parts
g) Replace bearings &
affected parts
h) Replace piston rings &
affected parts
i) Replace the affected parts
j) Clean the exhaust system
k) Replace the air cleaner
element
l) Replace the fuel filters
m) Replace Injectors
9
‘Tapping’ or
‘ticking’ noise
from the top
end of the
engine
a) Fuel injectors worn excessively
b) Excessively worn camshaft
a) Fuel injectors will make
some
ticking
noise.
Replace fuel injectors if not
putting out enough fuel to
cylinders
b) Inspect camshaft lobes and
run out for excessive wear.
Replace as necessary.
ENGINE PRESSURE
10
Low
compression
pressure
a) Leakage of compression from engine valves
b) Cylinder Head gasket blown between two
cylinders
c) Leakage of compression past piston ring
butt clearance (blow by)
d) Leakage of compression due to excessive
cylinder bore/ring wear (indicated by
excessive blow by).
a) Repair valve seats/Replace
valve seat inserts
b) Replace gasket
c) Replace piston rings
d) Overhaul the engine