YH4
GRAND
VITARA
ENGINE DIAGNOSIS (G16 / J20 ENGINES)
6-33
Condition
Possible Cause
Reference Item
Low oil pressure
Improper oil viscosity
Malfunctioning oil pressure switch
Clogged oil strainer
Functional deterioration of oil pump
Worn oil pump relief valve
Excessive clearance in various sliding
parts
Engine oil and oil filter change
in Maintenance and Lubrication
Section.
Oil pressure switch inspection in
Body Electrical System Section.
Oil pan and oil pump strainer
cleaning in Engine Mechanical
Section.
Oil pump in Engine Mechanical
Section.
Oil pump in Engine Mechanical
Section.
Engine noise
Note: Before checking
the mechanical noise,
make sure that:
Ignition timing is
properly adjusted.
Specified spark plug
is used.
Specified fuel is used.
Valve noise
Faulty hydraulic valve lash adjuster
Worn valve stem and guide
Weak or broken valve spring
Warped or bent valve
Loose camshaft housing bolts
Piston, ring and cylinder noise
Worn piston, ring and cylinder bore
Connecting rod noise
Worn crankpin bearing
Worn crankpin
Loose connecting rod nuts
Low oil pressure
Crankshaft noise
Low oil pressure
Worn crankshaft journal bearing
Worn crankshaft journal
Loose lower crankcase
(bearing cap) bolts
Excessive crankshaft thrust play
Hydraulic valve lash adjuster in
Engine Mechanical Section.
Valves inspection in Engine
Mechanical Section.
Valve springs inspection in Engine
Mechanical Section.
Valves inspection in Engine
Mechanical Section.
Camshafts in Engine Mechanical
Section.
Pistons and cylinders inspection in
Engine Mechanical Section.
Crankpin and connecting rod
bearing inspection in Engine
Mechanical Section.
Crankpin and connecting rod
bearing inspection in Engine
Mechanical Section.
Connecting rod installation in Engine
Mechanical Section.
Previously outlined.
Previously outlined.
Crankshaft and bearing inspection in
Engine Mechanical Section.
Crankshaft and bearing inspection in
Engine Mechanical Section.
Crankshaft installation in Engine
Mechanical Section.
Crankshaft inspection in Engine
Mechanical Section.
Содержание 2000 Grand Vitara SQ416
Страница 75: ...ENGINE DIAGNOSIS G16 J20 ENGINES 6 71 Fig 1 for Step 3...
Страница 179: ...6 1 68 ENGINE H25 ENGINE a Fig for STEP 2 3 a HO2S heater relay...
Страница 190: ...ENGINE H25 ENGINE 6 1 79 a Fig for STEP 2 3 a HO2S heater relay...
Страница 205: ...6 1 94 ENGINE H25 ENGINE Fig for STEP 4 1 Disconnected CMP sensor coupler 2 BI B wire terminal 3 Gr Y wire terminal...
Страница 541: ...6E1 4 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES G16 ENGINE...
Страница 542: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 5...
Страница 543: ...6E1 6 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES J20 ENGINE...
Страница 544: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 7...
Страница 549: ...Or W Bl G Bl Y C51 1 22 C51 1 23 C51 1 10 C51 1 11 6E1 12 ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES...
Страница 552: ...ENGINE AND EMISSION CONTROL SYSTEM G16 J20 ENGINES 6E1 15...
Страница 592: ...6E2 4 ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE...
Страница 593: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 5...
Страница 597: ...ENGINE AND EMISSION CONTROL SYSTEM H25 ENGINE 6E2 9...
Страница 661: ...IGNITION SYSTEM FOR J20 H25 ENGINES 6F2 13 INSTALLATION For installation reverse removal procedure...
Страница 723: ...6H 30 CHARGING SYSTEM 17 Make sure that rotor turns smoothly...
Страница 729: ...Prepared by Overseas Service Department 1st Ed April 2000 Printed in Japan Printing April 2000 736...