HEXA

ENGINE

1.8. ENGINE OVEHAULING (ON OVERHAUL STAND)

A ENGINE DIS-ASSEMBLY

i REMOVAL OF INTAKE MANIFOLD............................................................................................ 119

ii REMOVAL OF EXHAUST MANIFOLD........................................................................................ 124

iii REMOVAL OF OIL SUMP ........................................................................................................... 127

iv REMOVAL OF TIMING BELT ...................................................................................................... 128

v REMOVAL OF CYLINDER HEAD ............................................................................................... 130

vi REMOVAL OF CYLINDER HEAD SUB-ASSEMBLIES............................................................... 132

vii REMOVAL OF CYLINDER BLOCK SUB-ASSEMBLIES ............................................................ 135

viii PISTON CONNECTING ROD DIS-ASSEMBLY.......................................................................... 136

B ENGINE ASSEMBLY

i FITMENT OF CYLINDER HEAD SUB-ASSEMBLIES................................................................. 143

ii FITMENT OF PISTON AND CONNECTING ROD SUB-ASSEMBLIES...................................... 144

iii FITMENT OF CYLINDER BLOCK SUB-ASSEMBLIES .............................................................. 145

iv FITMENT OF CYLINDER HEAD ON CYLINDER BLOCK .......................................................... 146

v FITMENT OFTIMING BELT ......................................................................................................... 147

vi FITMENT OF OIL SUMP ............................................................................................................. 149

vii FITMENT OF EXHAUST MANIFOLD AND PERIPHERALS....................................................... 150

viii FITMENT OF INTAKE MANIFOLD AND PERIPHERALS........................................................... 153

ix ON ENGINE SUPPORT STAND ................................................................................................. 158

1.9. ENGINE MANAGEMENT SYSTEM (EMS) 160

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SYSTEM OVERVIEW 161

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BLOCK DIAGRAM 162

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Connector Pin Assignment 163

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ANTI-CRANKING FUNCTION 168

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SENSORS AND ACTUATORS DETAILS 169

CRANK ANGLE SENSOR 169

2. CAM SENSOR 170

3. TEMPERATURE AND MANIFOLD ABSOLUTE PRESSURE SENSOR (TMAP) 172

4. CIMAF SENSOR (CONTINENTAL INTEGRATED MASS AIRFLOW SENSOR) 173

5. COOLANT TEMPERATURE SENSOR 175