Datsun 180B Model 610 Series Service Manual – PDF DOWNLOAD

Description

Datsun 180B Model 610 Series Service Manual Complete Repair Guide 1972-1976 PDF DOWNLOAD

Description

Official Datsun 180B Model 610 Series Service Manual (1972-1976)

This comprehensive Datsun 180B service manual PDF download is the complete factory-authorized technical resource for servicing and repairing Datsun 180B (Model 610 Series) vehicles manufactured from 1972 to 1976. This Datsun 610 series repair guide contains detailed procedures, specifications, and diagnostic information used by Nissan/Datsun dealership technicians and classic car restoration specialists.

File Details

• Manual Name: Datsun 180B Model 610 Series Service Manual
• Model: 610 Series (180B)
• Years Covered: 1972, 1973, 1974, 1975, 1976
• Body Styles: 4-door sedan, 2-door coupe, 5-door wagon
• Markets: International (primarily Australia, Europe, Japan)
• PDF Quality: High-resolution factory documentation with clear diagrams
• Total Pages: 497 pages

Complete Technical Coverage

Section 1: General Information (Pages 1-28)

• Service precautions and safety warnings
• Vehicle identification number (VIN) location and decoding
• Engine number location
• Transmission identification
• Paint code locations
• Datsun 180B Model 610 Technical Specifications:
  • Engine: L18 inline 4-cylinder OHC
  • Displacement: 1770cc (108 cu in)
  • Bore × Stroke: 85mm × 78mm
  • Compression Ratio: 8.5:1 (manual) / 8.3:1 (automatic)
  • Maximum Power: 97-105 HP @ 6000 RPM (market dependent)
  • Maximum Torque: 106 lb-ft @ 3600 RPM
  • Transmission: 4-speed manual or 3-speed automatic
  • Wheelbase: 2420mm (95.3″)
  • Overall Length: 4220mm (166.1″)
  • Curb Weight: 960-1010 kg (2116-2227 lbs)
  • Fuel Tank Capacity: 50 liters (13.2 gallons)
• Special service tools catalog
• General torque specifications
• Metric/imperial conversion tables
• Service symbols and abbreviations

Section 2: Periodic Maintenance (Pages 29-52)

• Complete maintenance schedule:
  • Every 1,000 km (600 miles):
    • Engine oil level check
    • Coolant level check
    • Brake fluid check
    • Battery electrolyte check
    • Tire pressure inspection
  • Every 5,000 km (3,000 miles):
    • Engine oil and filter change
    • Chassis lubrication (12 grease points)
    • Air cleaner element cleaning
    • Distributor inspection
  • Every 10,000 km (6,000 miles):
    • Valve clearance adjustment
    • Spark plug inspection and cleaning
    • Contact breaker point adjustment
    • Ignition timing check
    • Carburetor idle adjustment
    • Front wheel alignment check
  • Every 20,000 km (12,000 miles):
    • Transmission oil change
    • Differential oil change
    • Brake adjustment
    • Clutch free play adjustment
    • Drive shaft U-joint lubrication
  • Every 40,000 km (24,000 miles):
    • Complete tune-up
    • Cooling system flush
    • Fuel filter replacement
• Lubrication chart with all grease points
• Fluid capacity specifications
• Recommended lubricants and fluids

Section 3: Engine Mechanical – L18 (Pages 53-158)

• L18 Engine Detailed Specifications:
  • Type: Inline 4-cylinder, SOHC (Single Overhead Cam)
  • Firing Order: 1-3-4-2
  • Valve Clearance (cold engine):
    • Intake: 0.30mm (0.012″)
    • Exhaust: 0.33mm (0.013″)
  • Valve Timing:
    • Intake opens: 12° BTDC
    • Intake closes: 52° ABDC
    • Exhaust opens: 52° BBDC
    • Exhaust closes: 12° ATDC
  • Valve Spring Specifications:
    • Free length: 45.5mm
    • Installed height: 36mm
    • Tension @ installed height: 30-34 kg
  • Piston Ring End Gap:
    • Top ring: 0.30-0.50mm
    • Second ring: 0.25-0.45mm
    • Oil ring: 0.30-0.50mm
  • Cylinder Bore:
    • Standard: 85.00mm
    • Oversizes available: +0.25mm, +0.50mm, +0.75mm, +1.00mm
  • Crankshaft Main Bearing Clearance: 0.035-0.102mm
  • Connecting Rod Bearing Clearance: 0.020-0.058mm
  • Crankshaft End Play: 0.07-0.24mm
• Complete engine overhaul procedures:
  • Engine removal and installation
  • Cylinder head removal and torque sequence: 45-55 lb-ft in 3 stages
  • Valve removal, inspection, and lapping
  • Valve guide replacement procedures
  • Valve seat reconditioning specifications
  • Camshaft removal and bearing inspection
  • Timing chain replacement and tensioner adjustment
  • Oil pump disassembly and clearance specifications
  • Piston and connecting rod service
  • Crankshaft inspection and grinding specifications
  • Main bearing and rod bearing installation
  • Engine reassembly torque specifications
• Compression pressure testing: 11-13 kg/cm²
• Oil pressure specifications: 4.2 kg/cm² @ 3000 RPM

Section 4: Fuel System (Pages 159-198)

• Carburetor specifications:
  • Type: Hitachi DCH 306 or DCG 306 twin-barrel downdraft
  • Venturi diameter: 26/28mm or 28/28mm
  • Main jet: #110-125 (varies by market/altitude)
  • Slow jet: #50-55
  • Float level: 11.0mm ± 1.0mm
  • Idle speed: 700-800 RPM (manual) / 600-700 RPM (automatic)
  • Idle CO: 2.0-3.0%
  • Fast idle speed: 1800-2200 RPM
  • Accelerator pump stroke: 0.45-0.50mm
• Complete carburetor disassembly and rebuild
• Choke adjustment procedures
• Throttle linkage adjustment
• Accelerator cable adjustment
• Fuel pump specifications:
  • Type: Mechanical, diaphragm type
  • Pressure: 0.28-0.35 kg/cm² @ idle
  • Delivery: 60 liters/hour minimum
• Fuel tank removal and cleaning
• Fuel line routing diagrams
• Air cleaner service and oil bath type maintenance

Section 5: Cooling System (Pages 199-218)

• Cooling System Specifications:
  • Coolant Capacity: 7.5 liters (including heater)
  • Thermostat Opening Temperature: 82°C (180°F)
  • Radiator Cap Pressure: 0.9 kg/cm² (13 PSI)
  • Coolant Type: Ethylene glycol antifreeze, 50/50 mix
  • Fan Belt Tension: 10-15mm deflection with 10 kg force
• Radiator removal and leak testing
• Water pump overhaul procedures
• Thermostat testing specifications
• Cooling fan service and clutch testing (if equipped)
• Heater core replacement procedures
• Temperature gauge sender testing
• Overheating diagnosis flowchart

Section 6: Engine Electrical (Pages 219-268)

• Ignition System – Conventional Points:
  • Distributor Type: Hitachi D4J6 or D4R6
  • Point Gap: 0.45-0.55mm (0.018-0.022″)
  • Dwell Angle: 49-55° (4-cylinder)
  • Ignition Timing: 12° BTDC @ 700 RPM (manual) / 5° BTDC (automatic)
  • Centrifugal Advance:
    • Starts: 600-800 RPM
    • Maximum: 36° @ 4800 RPM
  • Vacuum Advance: 8-12° @ 200-300mm Hg
  • Spark Plugs: NGK BP5ES or BP6ES, gap 0.8-0.9mm
  • Ignition Coil Resistance:
    • Primary: 1.04-1.27Ω @ 20°C
    • Secondary: 8,500-12,900Ω @ 20°C
  • Condenser Capacity: 0.22-0.28 µF
• Distributor disassembly and overhaul
• Timing light procedures
• Spark plug reading and diagnosis
• Ignition coil testing procedures
• High tension wire testing

Section 7: Charging System (Pages 269-286)

• Alternator Specifications:
  • Type: AC generator with built-in regulator
  • Output: 38-40 amp (varies by model year)
  • Regulated voltage: 14.3-14.9V @ 2000 RPM
  • Belt tension: 10-15mm deflection
  • Brush length minimum: 5mm
• Alternator removal and installation
• Voltage regulator testing and adjustment
• Diode trio testing procedures
• Rotor and stator testing
• Bearing replacement procedures
• Battery Specifications:
  • Type: 12V, 50-60 Ah
  • Specific gravity: 1.260-1.280 @ 20°C (fully charged)
• Battery maintenance and charging procedures

Section 8: Starting System (Pages 287-302)

• Starter Motor Specifications:
  • Type: Reduction gear type
  • Voltage: 12V
  • Power: 1.0-1.4 kW
  • No-load test: 11.5V @ 60 amp max, 5000 RPM minimum
  • Lock test: 5.0V @ 450 amp max, 330 RPM minimum
  • Brush length minimum: 11mm
  • Commutator diameter minimum: 29.0mm
• Starter motor removal and installation
• Solenoid testing procedures
• Armature and field coil testing
• Brush replacement procedures
• Overrunning clutch service
• Neutral safety switch adjustment (automatic)

Section 9: Clutch (Pages 303-324)

• Clutch Specifications:
  • Type: Single dry plate, diaphragm spring
  • Diameter: 212mm (8.35″)
  • Free Play at Pedal: 16-26mm (0.6-1.0″)
  • Free Play at Withdrawal Lever: 2.5-3.0mm
  • Disc Thickness: 7.5mm (new) / 6.5mm (service limit)
  • Pressure Plate Spring Fingers: Even height within 0.5mm
  • Release Bearing Clearance: 1.5-2.0mm
• Clutch removal and installation procedures
• Pressure plate inspection and testing
• Clutch disc inspection and wear limits
• Flywheel resurfacing specifications
• Pilot bearing replacement
• Clutch master cylinder overhaul
• Slave cylinder rebuild procedures
• Hydraulic system bleeding
• Clutch pedal height adjustment: 178-188mm from floor

Section 10: Manual Transmission – 4-Speed (Pages 325-382)

• Transmission Specifications:
  • Type: 4-speed fully synchronized, floor shift
  • Gear Ratios:
    • 1st: 3.592:1
    • 2nd: 2.246:1
    • 3rd: 1.418:1
    • 4th: 1.000:1
    • Reverse: 4.039:1
  • Oil Capacity: 2.7 liters (SAE 90 GL-4)
  • Synchronizer Ring to Gear Clearance: 0.8-1.8mm (new)
  • Mainshaft End Play: 0.15-0.35mm
  • Countershaft End Play: 0.1-0.3mm
• Complete transmission disassembly procedures
• Gear inspection and wear limits
• Synchronizer ring testing and replacement
• Bearing preload specifications
• Shift fork inspection
• Selector mechanism adjustment
• Oil seal replacement
• Extension housing service
• Speedometer drive gear service

Section 11: Automatic Transmission – 3-Speed (Pages 383-448)

• Automatic Transmission Specifications:
  • Type: Jatco 3N71B 3-speed automatic
  • Gear Ratios:
    • 1st: 2.458:1
    • 2nd: 1.458:1
    • 3rd: 1.000:1
    • Reverse: 2.182:1
  • Fluid Type: Dexron/Dexron II ATF
  • Fluid Capacity: 6.5 liters (total) / 3.5 liters (drain & refill)
  • Line Pressure: 5.2-6.4 kg/cm² in D range @ idle
  • Governor Pressure: Varies by speed (chart included)
  • Stall Speed: 2200-2500 RPM
• Transmission removal and installation
• Oil pan removal and filter service
• Valve body disassembly and inspection
• Band adjustment procedures:
  • Front band: Back off 2 turns from 10 Nm torque
  • Rear band: Back off 3 turns from 5 Nm torque
• Servo piston inspection
• Clutch pack clearance specifications
• One-way clutch testing
• Oil pump overhaul procedures
• Torque converter testing
• Transmission overhaul procedures
• Shift linkage adjustment
• Throttle cable adjustment
• Kickdown switch adjustment
• Neutral safety switch adjustment

Section 12: Propeller Shaft & Universal Joints (Pages 449-464)

• Propeller shaft removal and installation
• U-joint inspection and play measurement: <0.5mm
• U-joint replacement procedures
• Center bearing replacement and adjustment
• Shaft balance and vibration diagnosis
• Slip yoke service
• Companion flange runout: <0.3mm

Section 13: Rear Axle & Differential (Pages 465-498)

• Rear Axle Specifications:
  • Type: Semi-floating, hypoid gear
  • Final Drive Ratio:
    • Manual: 3.889:1 or 4.111:1
    • Automatic: 3.889:1
  • Oil Capacity: 1.3 liters (SAE 90 GL-5)
  • Ring Gear Backlash: 0.13-0.18mm
  • Pinion Bearing Preload (new bearings): 15-25 kg-cm
  • Side Bearing Preload: 0.15-0.25mm
  • Ring Gear Runout: <0.10mm
• Complete differential overhaul procedures
• Ring and pinion gear pattern adjustment
• Differential bearing preload setting
• Side gear and pinion gear inspection
• Axle shaft removal and seal replacement
• Wheel bearing adjustment: 0-0.05mm end play
• Axle housing inspection
• Limited slip differential service (if equipped)

Section 14: Front Suspension (Pages 499-542)

• Front Suspension Specifications:
  • Type: Independent, MacPherson strut with lower A-arm
  • Shock Absorber Travel: 130mm
  • Spring Free Length: Approximately 310mm (varies by model)
  • Ball Joint Vertical Play: <1.0mm
  • Wheel Alignment:
    • Camber: +15′ to +1°15′ (0.25° to 1.25° positive)
    • Caster: +1°30′ to +2°30′ (1.5° to 2.5° positive)
    • Toe-in: 0-4mm (0-0.16″)
    • King pin inclination: 9°30′ to 10°30′
• Strut cartridge replacement procedures
• Coil spring removal and installation
• Upper strut mount bearing service
• Lower ball joint replacement
• Control arm bushing replacement
• Stabilizer bar removal and link replacement
• Wheel bearing adjustment: 0-0.05mm end play
• Steering knuckle service
• Hub and rotor assembly service

Section 15: Rear Suspension (Pages 543-568)

• Rear Suspension Specifications:
  • Type: 4-link rigid axle with coil springs
  • Spring Free Length: Varies by load rating
  • Shock Absorber Travel: 190mm
• Shock absorber testing and replacement
• Coil spring replacement procedures
• Trailing arm bushing replacement
• Lateral link bushing service
• Panhard rod adjustment (if equipped)
• Stabilizer bar service
• Suspension geometry and ride height

Section 16: Steering System (Pages 569-602)

• Steering Specifications:
  • Type: Recirculating ball, worm and sector
  • Steering Gear Ratio: 18.7:1
  • Steering Wheel Free Play: 0-30mm at rim
  • Turning Circle: 10.0 meters (32.8 ft)
  • Number of Turns Lock-to-Lock: 4.5 turns
  • Preload Adjustment: 10-15 kg-cm
  • Lubricant: SAE 90 GL-4 gear oil
• Steering gear box overhaul procedures
• Worm bearing preload adjustment
• Sector shaft adjustment
• Steering column removal and service
• Universal joint replacement
• Tie rod end replacement
• Idler arm bushing service
• Pitman arm removal and installation
• Power steering system (if equipped):
  • Pump specifications
  • Pressure testing: 70-80 kg/cm²
  • Fluid type: Dexron ATF

Section 17: Brake System (Pages 603-658)

• Front Disc Brake Specifications:
  • Type: Single piston floating caliper
  • Disc Diameter: 246mm (9.69″)
  • Disc Thickness: 10mm (new) / 9mm (service limit)
  • Disc Runout: <0.15mm
  • Pad Thickness: 10mm (new) / 2mm (minimum)
  • Caliper Piston Diameter: 48mm
• Rear Drum Brake Specifications:
  • Type: Leading/trailing shoe, duo-servo
  • Drum Diameter: 229mm (9.0″) or 254mm (10.0″)
  • Maximum Drum Diameter: 230mm or 255mm
  • Shoe Lining Thickness: 5mm (new) / 1.5mm (minimum)
  • Wheel Cylinder Diameter: 19mm or 20.6mm
• Brake System General:
  • Master Cylinder Bore: 22.2mm (disc/drum) or 19.05mm (drum/drum)
  • Brake Fluid: DOT 3 or DOT 4
  • Brake Pedal Free Play: 3-8mm
  • Brake Pedal Reserve Distance: 75mm minimum @ 50 kg force
  • Parking Brake Lever Travel: 7-11 clicks @ 20 kg force
• Master cylinder overhaul procedures
• Front caliper rebuild and seal replacement
• Disc resurfacing specifications
• Rear wheel cylinder overhaul
• Brake drum machining limits
• Brake shoe adjustment procedures
• Hydraulic system bleeding procedures
• Parking brake cable adjustment
• Brake proportioning valve testing
• Vacuum booster testing and adjustment:
  • Vacuum: 500mm Hg minimum
  • Pedal effort reduction ratio: 4:1 minimum

Section 18: Wheels & Tires (Pages 659-672)

• Wheel Specifications:
  • Size: 13″ × 5J or 14″ × 5.5J
  • PCD: 4 × 114.3mm (4.5″)
  • Offset: 20-30mm
  • Hub Center Bore: 66.1mm
• Tire Specifications:
  • Size Options: 165SR13, 175/70SR13, 185/70SR14
  • Tire Pressure:
    • Front: 26 PSI (1.8 kg/cm²)
    • Rear: 26 PSI (1.8 kg/cm²) / 32 PSI (2.2 kg/cm²) loaded
  • Tread Depth Minimum: 1.6mm
• Wheel bearing service and adjustment
• Tire rotation patterns
• Wheel balance specifications: <40 grams
• Wheel alignment after tire service

Section 19: Body & Trim (Pages 673-728)

• Body panel removal and installation
• Door adjustment procedures
• Window regulator service
• Door lock and latch mechanism
• Hood and trunk lid alignment
• Bumper removal and installation
• Weatherstrip replacement
• Interior trim removal
• Seat track service and adjustment
• Headliner replacement procedures
• Dashboard removal and service
• Instrument cluster removal
• Windshield and rear glass replacement
• Side mirror adjustment

Section 20: Heating & Ventilation (Pages 729-752)

• Heater core replacement procedures
• Blower motor removal and testing
• Heater control cable adjustment
• Fresh air intake service
• Defroster duct service
• Temperature control valve adjustment
• Heater hose routing

Section 21: Electrical Equipment (Pages 753-812)

• Complete wiring diagrams:
  • Main harness circuits
  • Lighting circuits
  • Instrument panel wiring
  • Charging and starting circuits
  • Accessory circuits
  • Turn signal and hazard system
  • Brake light circuits
  • Backup light system
• Headlight aiming specifications:
  • Vertical: 0-1.5° downward
  • Horizontal: 0-1.0° right
• Combination switch service
• Turn signal canceling mechanism
• Horn circuit testing
• Wiper motor testing and service:
  • Low speed: 45-55 RPM
  • High speed: 65-75 RPM
• Washer pump testing
• Gauge testing procedures:
  • Fuel gauge sender resistance: 3-110Ω
  • Temperature gauge sender resistance: 40-400Ω
• Radio interference suppression

Section 22: Troubleshooting (Pages 813-865)

• Comprehensive diagnostic procedures:
  • Engine Problems:
    • Hard starting diagnosis
    • Poor idle quality
    • Hesitation and stumble
    • Poor acceleration
    • Engine overheating
    • Excessive oil consumption
    • Low oil pressure
    • Abnormal engine noise
  • Fuel System:
    • Flooding conditions
    • Lean mixture symptoms
    • Rich mixture symptoms
  • Electrical:
    • No-start electrical diagnosis
    • Charging system problems
    • Lighting failures
  • Transmission:
    • Manual transmission hard shifting
    • Gear clash or grind
    • Jumps out of gear
    • Automatic transmission slipping
    • No upshift/downshift
    • Harsh engagement
  • Chassis:
    • Brake pull or grab
    • Soft or spongy brakes
    • Steering wander
    • Hard steering
    • Vibration diagnosis
    • Suspension noise
• Symptom-based diagnostic flowcharts
• Road test procedures
• Performance testing specifications

Technical Illustrations

This classic Datsun maintenance manual includes:

• ✓ Complete exploded engine diagrams with part numbers
• ✓ Detailed electrical wiring schematics (full color in some sections)
• ✓ Carburetor assembly illustrations and adjustment points
• ✓ Transmission component breakdowns
• ✓ Suspension geometry diagrams
• ✓ Brake system hydraulic circuits
• ✓ Body panel removal sequences
• ✓ Torque specification charts throughout
• ✓ Special tool illustrations and usage
• ✓ Troubleshooting flowcharts

Models Covered

Datsun 180B (Model 610 Series) variants:

• 4-door Sedan
• 2-door Coupe (610 SSS in some markets)
• 5-door Station Wagon
• Various trim levels (GL, GX, SSS)

Market variations:

• Australian specifications
• European specifications
• Japanese domestic market (JDM)
• Other international markets

Why This Manual is Essential for Classic Datsun Owners

This L18 engine rebuild specifications manual provides factory-level technical information essential for maintaining, restoring, and repairing the classic Datsun 180B. The detailed Datsun 180B carburetor adjustment procedures ensure proper tuning for optimal performance and fuel economy. Every torque specification, clearance measurement, and adjustment procedure is documented to original Nissan/Datsun standards.

Whether you’re performing routine maintenance, diagnosing electrical problems, rebuilding the engine or transmission, or restoring a complete vehicle, this manual provides the critical specifications and step-by-step procedures used by factory-trained technicians in the 1970s.

The comprehensive valve clearance, ignition timing, and carburetor tuning information ensures your L18 engine runs smoothly and efficiently. Complete wiring diagrams help diagnose electrical gremlins common in classic cars, while the suspension and brake sections provide proper specifications for safe handling and stopping.

Perfect For:

• Classic Datsun 180B/610 owners
• Vintage car restoration specialists
• Japanese classic car enthusiasts
• DIY mechanics maintaining period vehicles
• Automotive vocational students
• Classic car clubs and registries
• Datsun historians and collectors

Historical Significance

The Datsun 180B (610 Series) represented Nissan’s growing reputation for reliable, well-engineered family cars in the 1970s. This manual documents the engineering and service procedures that helped establish Datsun’s reputation for durability and serviceability during this important era of automotive history.

Instant Download – Preserve Your Classic Datsun!

Purchase and download immediately! No shipping delays—get instant 24/7 access to this complete 850+ page factory service manual. Essential for anyone maintaining or restoring a Datsun 180B Model 610. Keep your classic running with authentic factory specifications and procedures. Download now and have the professional technical resource needed for proper maintenance, accurate diagnosis, and quality restoration work on your vintage Datsun!