Historical Context:
The Datsun 1200 (B110) was a popular compact car known for its affordability, reliability, and fuel efficiency, representing a significant step in Datsun's global expansion during the early 1970s.
Competitors:
Competed against vehicles like the Toyota Corolla, Honda Civic, Ford Pinto, and Volkswagen Beetle of its era.
Target Audience:
Enthusiasts, DIY mechanics, restorers, and owners seeking in-depth technical knowledge for maintenance and repair of the 1973 Datsun 1200.
Manual Value:
Provides authoritative, manufacturer-sourced technical data essential for preserving and repairing this classic vehicle.
Chassis Systems:
Frame, suspension (front and rear), steering, axles, driveshafts, wheels, tires, braking system, fuel tank, exhaust system, body structure, body panels, doors, windows, trim, bumpers, seats, interior components.
Maintenance Procedures:
Lubrication, fluid checks and changes, filter replacements, brake adjustments, suspension checks, steering system checks, body panel alignment, rust prevention.
Repair Procedures:
Disassembly and reassembly of all chassis and body components, frame straightening, suspension component replacement, steering box repair, brake system overhaul, body panel repair and replacement, door mechanism repair, window regulator repair, interior trim installation and repair.
Diagnostic Procedures:
Troubleshooting common chassis and body issues, identification of wear and damage, alignment procedures, bodywork integrity checks.
Depth:
Comprehensive, covering detailed diagnostics, disassembly, repair, and assembly with step-by-step instructions and technical specifications.
Engine Type:
Inline 4-cylinder, OHC (Overhead Camshaft)
Displacement:
1.171 liters (71.4 cubic inches)
Horsepower Typical:
Approx. 60-68 HP (net) depending on tuning and market.
Torque Typical:
Approx. 67-72 lb-ft (net).
Carburetion:
Single downdraft carburetor (e.g., Hitachi SU or similar).
Cooling System:
Water-cooled, pressurized system.
Ignition System:
Distributor-based, coil and spark plug ignition.
Type Standard:
4-speed manual transmission
Type Optional:
3-speed automatic transmission (less common)
Clutch Type:
Dry single plate clutch, hydraulically actuated.
Manual Transmission Fluid:
API GL-4, SAE 90 gear oil (check specific manual for exact viscosity/spec).
Wheelbase:
Approx. 2300 mm (90.6 inches)
Length:
Approx. 3850 mm (151.6 inches)
Width:
Approx. 1575 mm (62.0 inches)
Height:
Approx. 1365 mm (53.7 inches) for sedan.
Curb Weight Typical:
Approx. 750-850 kg (1650-1870 lbs) depending on body style and equipment.
Gross Vehicle Weight Rating Gvwr:
Refer to chassis plate; typically around 1200-1300 kg.
Wheel Bolt Pattern:
4x114.3 mm (4.5 inch PCD)
Tire Size Typical:
155SR13 or 165/70R13
Crash Test Information:
No formal crash test ratings available from modern agencies for this era of vehicle. Vehicle safety features were rudimentary compared to contemporary standards.
Braking System:
Front disc brakes, rear drum brakes. Dual hydraulic circuit system.
Steering System:
Recirculating ball steering box, manual operation.
Seat Belts:
Standard front seat belts, optional rear seat belts.
Body Construction:
Unitized body construction with integrated frame elements for torsional rigidity.
Oil Change Interval:
Typically 5,000 km (3,000 miles) or 6 months, whichever comes first.
Transmission Fluid Change:
Refer to manual; often at higher mileage intervals or as needed. Check for leaks.
Brake Fluid Change:
Every 2 years or 40,000 km (25,000 miles) to prevent moisture absorption.
Engine Oil Type:
API SE or SF, SAE 10W-30 or 10W-40 recommended for most climates.
Coolant Type:
Ethylene glycol based coolant, mixed 50/50 with distilled water. Use a silicate-free formulation.
Brake Fluid Type:
DOT 3 or DOT 4.
Windshield Washer Fluid:
Dedicated washer fluid or clean water. Add a small amount of mild dish soap in winter for improved cleaning.
Common Chassis Issues:
Rust perforation in floor pans, rocker panels, wheel arches, and door sills. Worn suspension bushings, loose steering components, seized brake calipers or wheel cylinders.
Common Body Issues:
Door sag, misaligned panels, worn window seals, interior trim wear and tear, fading paintwork, headliner deterioration.
Spark Plugs:
NGK BP5ES or equivalent (verify with manual).
Oil Filter:
Nissan P/N 15208-H7200 or equivalent aftermarket (e.g., Fram PH8A, Wix 51515).
Datsun Evolution:
Datsun, later Nissan, established itself as a maker of reliable and affordable vehicles, with the 1200 being a key model in its international growth strategy.
B110 Generations:
The B110 series, introduced in late 1970, replaced the B10 Sunny. The 1973 model represents an evolution within the B110 generation, potentially with minor styling or feature updates.
Manufacturing Locations:
Primarily Japan, with assembly plants in various international markets.
Production Years:
B110 series: October 1970 – 1973 (globally, with regional variations).
Market Impact:
Widely recognized for its value, fuel economy, and sporty driving characteristics, contributing significantly to Datsun's reputation as a competitive automotive brand.
Reliability Reputation:
Generally considered a reliable and robust vehicle for its era, with good longevity when properly maintained.
Manufacturing Standards:
Manufactured to Datsun's internal quality and engineering standards of the early 1970s.
