45 / 1906
ENGINE
9
SR.
NO.
COMPLAINT
CAUSE
REMEDY
4
Low
compression
pressure
Leakage of compression from engine
valves
Cylinder head gasket blown between
two cylinders
Leakage of compression past piston
ring butt clearance (blow by)
Leakage of compression due to
excessive cylinder bore/ring wear
(excessive blow by).
Repair valve seats/Replace valve
seat inserts
Replace gasket
Replace piston rings
Overhaul the engine
5
High Engine
Oil
Consumption
Oil leakage from:
a) Camshaft front oil seal
b) Camshaft rear oil seal
c) Sump gasket
d) Oil cooler
e) Oil filter
f) Crankshaft head front oil seal
g) Cylinder head cover gasket
h) Cylinder head cover war page
i) Oil seal on valve guide
j) Valve guide worn out
Excessive oil filling
Excessive piston ring butt/ Lateral
clearance
Excessive cylinder bore wear
(Excessive blow-by)
a) Replace the oil seal
b) Replace the oil seal
c) Tighten sump screws/Replace
gasket.
d) Tighten the fastener / Replace oil
cooler.
e) Tighten the filter / Replace oil filter
f) Replace the oil seal.
g) Replace the gasket
h) Replace cylinder head cover
i) Replace the oil seal*
j) Replace the valve guide
Fill the oil to correct level
Replace piston rings
Repair/replace the engine
6
Low Engine
Oil Pressure
Defective instrument cluster
Low oil level in sump
Oil pump seized:
a) Seized
b) Oil pump relief valve stuck in
open position
Main bearing /connecting rod
bearings & journals excessively worn
out
Bearing shells peeled off
Oil strainer inside oil sump broken
Wrong grade of oil
Diesel dilution
Check DTC and rectify
Top-up
a) Replace
b) Repair/Replace the valve and
affected engine parts
Replace affected parts
Replace the bearing shell and
affected parts, if any
Fill in correct grade of oil
Rectify