Name: Ferrari Dino 308 GT4
Brand: Ferrari
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Manual

Section Index2
General Information3
Main Specifications5
Performances6
Braking Distance6
Acceleration6
Dimensions6
Refuelling7
Identification Particulars8
Engine9
Longitudinal Section of Engine10
Engine: Main Specifications11
Engine Trouble Diagnosis and Remedies13
Engine Does Not Start13
Engine Stalls13
Engine Lacks Power14
Engine Misses at High Speeds15
Engine Misfires in Acceleration15
Noisy Tappets and Valves16
Noisy Connecting Rod Pins17
Excessive Oil Pressure17
Too Low Oil Pressure17
Engine: Crankcase and Liners19
Checking Main Bearings19
Cylinder Liners20
Engine: Pistons - Connecting Rods21
Cleaning Pistons and Connecting Rods23
Checking Piston Ring Ends Clearance23
Assembling Piston Rings23
Checking Connecting Rods23
Checking Connecting Rod Parallelism24
Connecting Rod/Piston Assembly Diagram24
Big End Bearings25
Main Data of Connecting Rods, Bearing and Crankpin25
Crankshaft - Main Bearings Specifications26
Checking and Refacing Journals and Crankpins27
Checking Crankshaft End Float27
Checking Oil Seals28
Checking Mainshaft Bearing28
Balancing28
Cylinder Head Specifications29
Checking Cylinder Heads31
Cylinder Heads Cleaning and Checking31
Dismantling and Checking Valves31
Checking Valve Springs32
Main Data of Valve Seats32
Valve Mechanism Specifications33
Main Data of Camshafts33
Checking and Setting Valve Clearance34
Clearance Adjustment - Removing Pads34
Layout of Camshaft Drive35
Exact Belt Tension36
Timing Belt Idler Diagram36
Engine: Reassembling37
Diagram of Cylinder Heads Tightening Order38
Timing Checking Diagram38
Zero Setting of Dial Gauge39
Valve Clearance - Diagram39
Engine: Ignition Timing40
Flywheel Marks for Ignition Timing40
Engine Bench Test and Running-In41
Diagram of Distributor Electric Connection41
Lubrication Cooling Fuel System43
Engine Lubrication Diagram44
Engine: Lubrication45
Main Data of Oil Pump45
Engine Lubrication - General Information46
Pressure and Temperature46
Oil Checking and Replacement46
Precautions for Use of Different Oil Brands46
Oil Pump Cleaning and Checking47
Cranckase Emission Control System48
Engine Cooling - Main Specifications49
Cooling System Diagram50
Water Pump Diagram50
Cooling System Cleaning and Checking51
Water Pump and Alternator Belt Diagram51
Belt Tension - Manual Tensioning51
Tensioning by Tensiometer B51
Radiator52
Expansion Tank52
Thermostatic Valve52
Filling the Cooling System52
Electric Fans53
Instructions for Winter Time53
Fuel System54
Filter and Air Intake54
Cleaning and Replacing the Filter54
Fuel Pump and Filters54
Diagram of Fuel System55
Fuel Pump and Filters Diagram55
Carburettors55
Carburettors Trouble Diagnosis and Remedies56
Fuel System Operating Information58
Normal Running58
Idle Speed - Progression58
Acceleration and Fuel System59
Starting59
Carburettors Setting Data60
Float Level Adjustment60
Fuel System: Synchronization and Adjustment61
Clutch/Gearbox/Rear Axle63
Clutch Main Specifications64
Main Data of Helper Spring64
Clutch Troubles Diagnosis and Remedies65
Clutch - General Information67
Clurch Repair Instructions68
Adjustment of Clutch Control68
Engine Flywheel69
Cluch Driven Plate69
Pressure Plate69
Clutch Control Diagram69
Gearbox Main Specifications70
Gearbox Ratios70
Gearbox Trouble Diagnodis and Remedies71
Noisy Gearbox71
Difficult Gearshifting71
Gears Jumping out of Mesh or Meshing Incorrectly71
Gearbox - General Information72
Synchronizers Diagrams72
Gears Check73
Synchronizers Check73
Section of Gearbox Assembly75
Gearbox Assembling76
Adjustment of Gearbox Linkage77
Gearbox Controls View77
Rear Axle General Information78
Rear Axle Main Specifications78
Rear Axle Diagnosis and Remedies79
Noisy Differential79
Noise When Pulling79
Noise on Overrun/Noise on Bends79
Rear Axle Check81
Bearing Preloading81
Axle-Shafts Check82
Steering83
Steering Diagrams84
Steering Main Specifications85
Steering Trouble Diagnosis and Remedies86
Jerky Steering86
Front Wheel Shimmy86
Side-Skidding on Curve/Car Pull to One Side86
Hard Steering87
Tires Squeal on Curves87
Steering General Information88
Steering Maintenance88
Pinion Maintenance88
Rack Maintenance88
Front Suspension89
Front Suspension General Information90
Front Suspension Main Specifications90
Front Suspension Trouble Diagnosis and Remedies91
Wheel Tramp91
Excessive Tire Wear91
Noisy Suspension92
Car Pulls to One Side92
Wheel Shimmy92
Cross Section through Wheel and Front Suspension93
Checking Suspension Components94
Flexible Bushings Connecting Wishbones to Chassis94
Ball Joints for Steering Knuckles94
Checking and Adjusting Taper Roller Bearings95
Checking and Adjusting Wheel Setting95
Camber Angle96
Toe-In96
Caster Angle97
Kingpin Angle97
Rear Suspension98
Cross Section through Wheel and Rear Suspension99
Rear Suspension General Information100
Rear Suspension Main Specifications100
Rear Suspension Trouble Diagnosis and Remedies101
Squeaks, Knocks or Other Noises101
Irregular or Excessive Tire Wear101
Wheel Spindle102
Suspension Control Arms Checkings102
Wrong Suspension Setting on One Wheel102
Hydraulic Shock Absorbers Main Specifications104
Hydraulic Shock Absorbers Trouble Diagnosis and Remedies107
Noisy Operation107
Variations in Damping Action107
Compression Travel107
Return Travel - Expansion109
Shock Absorbers Setting110
Front/Rear Shock Absorbers Rating Diagrams111
Brakes, Wheels and Tires112
Diagram of Braking System113
Brakes: General Information114
Front Brakes Main Specifications114
Rear Brakes Main Specifications115
Brakes Trouble Diagnosis and Remedies115
Brake Pedal Jammed115
Brake Pedal too Soft - Spongy115
Pedal Travel too Long, but Braking Not Spongy116
Brakes Still Applied When Pedal Has Been Released116
Brakes too Hard116
Unbalanced Brakes117
Irregular Brake Pads Wear117
Weak Braking Action117
Creaking and Hissing117
Brake System Description118
Front Brake Pull to One Side under Strong Braking Action118
Dragging Brakes118
Emergency and Parking Brake119
Diagram of Hand Brake Control119
Bleeding the Hydraulic Brake System120
Adjustment of Brake Pedal Free Travel120
Clearance of Brake Booster Push Rod - Diagram121
Brakes: Main Maintenance Services122
Changing Brake Pads122
Wheels and Tyres Main Specifications124
Wheels and Tyres Trouble Diagnosis and Remedies124
Excessive Tyre Wear124
Irregular Tyre Wear124
Wheel Balancing126
Assembling and Inflating126
Tyre Repair Procedure127
Instruments and Controls/Heating and Ventilation/Air Conditioning128
Instruments and Controls Diagram129
Instruments and Controls - General Information130
Ignition Switch with Anti-Theft Device131
Auxiliaries Connected to the Ignition Switch131
Mainswitch131
Air Conditioning: Testing the System for Efficiency132
Temperatures Checked on High and Low Pressure Parts132
Heating and Ventilation System Diagram133
Heating and Ventilation System General Information134
Winter Heating134
Summer Ventilation134
Intermediate Temperatures134
Heating and Ventilation - Trouble Diagnosis and Remedies135
Insufficient Heating135
Air Conditioning - General Information136
Air Conditioning Main Specifications136
Air Conditioning: Operation of Controls140
Layout of Air Conditioning Unit140
Air Conditioning Maintenance Instructions141
Air Conditioning: Operating Information141
Preliminary Operations before the Air Conditioning System Recharging143
Compressor Auxiliary Valves143
Draining the Air Conditioning System by Vacuum Pump143
Recharging the Air Conditioning System through a Gas Station144
Looking for Possible Leakage144
Adjustment of Compressor Control Belt Tension145
Electric System146
Battery and Alternator Main Specifications147
Battery and Alternator Inspection and Maintenance147
Electrolyte Level147
Checking Battery Conditions148
Possible Causes of Abnormal Battery Discharge148
Charging Unit with Bosch Alternator148
Checking Output Features149
Starter Motor Main Specifications150
Starter Motor Trouble Diagnosis and Remedies151
Motor Does Not Turn151
Motor Starts but Runs very Slowly151
Starter Motor very Noisy When Running151
Characteristic Curves of Starter Motors152
Starter Motor General Information153
Starter Motor Maintenance153
Ignition System Main Specifications154
Ignition System Trouble Diagnosis and Remedies155
Ignition Not Working at All155
Ignition Defective155
Ignition too Advanced/Retarded Ignition155
Ignition Distributor General Information156
Ignition Coils Faulty156
Layout of Ignition Circuit157
Retarded Ignition157
Breaker Points Synchronization158
Checking the Automatic Advance Curve159
Ignition Coil Checking160
Bench Testing160
Ignition Spark Plugs Inspection160
Lighting System Main Specifications162
Lighting System Controls163
Headlamps Disassembly163
Emergency Device for Lifting Retractable Headlights164
Headlamp Alignment164
Radio Equipment166
Fuses and Relays166
Wiring Diagram168
Layout of Electric Components in the Vehicle169
Tool Equipment172
Tightening Torques174
Body178
Body - General Information179
Doors180
Removing One Door180
Door Adjustments180
Glasses/Removing and Reassembling the Door Window180
Removing and Reassembling the Door Fixed Window181
Removing and Reassembling the Windscreen181
Removing and Reassembling the Rear Window181
Hood and Engine Bonnet182
Removing and Assembling the Side Rear Windows182
Front and Rear Bumpers182
Instrument Panel Removing and Reassembling182
Seats Removing and Reassembling183
Body Maintenance183
Cleaning the Upholstery183
Cleaning Similar Leather183
Cleaning Leather Upholstery184
Chromium Plated Parts184
Procedures for Touch-Up and Painting184
Procedure for Spraying Areas Which Require Surfacing184
Procedure for Re-Spraying Large Areas185
Metalized Paint185
Spraying Areas Which Do Not Need Application of Body Filler185
Spraying Areas Which Need Application of Body Filler186
Spraying Large Area in Metalized Paint186
Car Washing187
Emission Control System188
Carburettor Setting Data189
Carburettors Service189
Exhaust System with Gas Analysis Probes - Diagram190
Fast Idle Device191
Fast Idle Device Adjustment192
Sparking Plugs192
Distrubutor Service193
Ignition Timing and Dwell Setting Procedure193
Ignition Circuit Diagram194
Flywheel Marks for Ignition Checking194
Adjustment of Microswitch Unimax195
Automatic Advance Curve195
Exhaust Emission Control System Main Specifications196
Air Injection System196
Air Pumps197
Air Pumps Checking and Service198
Eventual Replacement of Air Pumps Filter198
Air Pump Belt on Valve Gear Side198
Air Pump Belt on Clutch Side199
Diverter Valves200
Evaporative Emission Control System Specifications/Diagram201
Evaporative Emission Control System Service202
Activated Carbon Trap Diagram203
Liquid Vapor Separator Diagram203
Front and Rear Lights Diagrams204
Changing Headlamps - Diagram204
Bulbs Specifications205
Modification to the Wiring Diagram Regarding Safety Belts Use209
Colours of Wiring Diagram Cables209

Brand	Ferrari
Model	Dino 308 GT4
Category	Automobile
Language	English

Ferrari Dino 308 GT4 User Manual

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Ferrari Dino 308 GT4 Specifications

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