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Triumph

Triumph Herald 12/50 1959-1971 Workshop Service Repair Manual

Triumph Herald 12/50 1959-1971 Workshop Service Repair Manual

$16.99
$16.99
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Vehicle data plateRef 451563
Brand
Triumph
Vehicle
Cars
Models covered
Herald, Herald 12/50
Years
1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Triumph
Model:
Herald
Trim:
12/50
Production Years:
1959-1971
Codes
Chassis Code:
Standard Herald chassis with specific 12/50 upgrades
Engine Code Prefix:
Usually prefixed with 'GB-ENG'
👋 Introduction
Market Position
Target Audience:
Owners and independent workshops performing maintenance and repair on the Triumph Herald 12/50
Competitive Analysis
Value Proposition:
Provides dealer-level information for DIY maintenance, saving time and money compared to professional servicing
Key Features
Uniqueness:
Contains instructions for proprietary components, enabling a holistic understanding of vehicle performance
Accuracy Statement:
Endeavored to ensure accuracy, providing reliable information for repairs
📋 Manual Details
Coverage Areas
Main Coverage:
Triumph Herald 12/50
Year Coverage:
1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971
Page Count
Page Count:
415
Manual Type
Manual Type:
Workshop Service Repair Manual
Language
Language:
English
Format
File Format:
PDF
Print Quality
Printability:
Yes, printable
Binding Type
Binding Type:
N/A (Digital PDF)
Paper Type
Paper Type:
N/A (Digital PDF)
📖 Manual Coverage
Systems Covered
Engine:
Comprehensive engine repair, overhaul, tune-ups, lubrication, cooling system
Fuel System:
Carburetor tuning (likely SU or Zenith Stromberg), fuel pump, fuel lines, tank
Ignition System:
Distributor, coil, spark plugs, timing adjustments
Transmission:
Manual gearbox repair and overhaul, clutch system, driveshafts
Brakes:
Hydraulic system, brake shoes/pads, wheel cylinders/calipers, master cylinder, parking brake
Suspension:
Front and rear suspension components, springs, shock absorbers, bushings
Steering:
Steering column, steering rack/box, tie rods, linkages
Electrical System:
Wiring diagrams, generator/alternator, starter motor, lighting, instruments, battery
Bodywork:
Body panel removal and repair, doors, windows, trim, convertible top (if applicable)
Heating And Ventilation:
Heater matrix, fan, ducting
Procedures Included
Maintenance:
Routine servicing, lubrication schedules, fluid changes, filter replacements
Troubleshooting:
Diagnostic procedures for common faults and symptoms
Repair:
Detailed step-by-step repair instructions for all major components
Overhaul:
Complete disassembly, inspection, and reassembly procedures for major assemblies like engine and transmission
Installation:
Instructions for removing and installing components
Tune Ups:
Specific procedures for engine tuning and performance adjustments
Technical Depth
Depth:
Comprehensive, assuming general automotive knowledge; covers proprietary component manufacturer instructions
⚙️ Engine Specifications
Primary Engine
Engine Type:
Inline 4-cylinder, OHV (Overhead Valve)
Displacement:
1200cc (approx. 1.2 Litres)
Performance
Horsepower:
Approximately 50-55 bhp (Brake Horsepower) for the 12/50 model
Torque:
Specific torque figures would be detailed in the manual
Fuel System
Carburetor:
Likely a single or twin SU carburetors, specific model detailed in manual
Fuel Type:
Leaded or Unleaded petrol (depending on engine modifications or year)
🔧 Transmission
Standard
Transmission Type:
4-speed manual
Optional
Optional Transmission:
Not commonly available for the 12/50, but some later models or modifications might exist
Features
Clutch:
Single dry plate clutch
📐 Dimensions
Exterior
Body Styles:
Saloon, Coupe, Convertible, Estate (Vanden Plas variant)
Weights
Kerb Weight:
Approximately 850-900 kg (depending on body style)
🛡️ Safety Features
Ratings
Crash Safety:
Designed for an era with less stringent safety regulations; manual will cover basic safety precautions for repair.
Active Features
Braking System:
Hydraulic, typically front discs and rear drums on the 12/50
Passive Features
Seatbelts:
May have been optional or not fitted on earlier models; manual will address installation/adjustment if present.
General Precautions
Tool Usage:
Emphasis on using correct tools, including torque wrenches, for safety and accuracy.
💡 Technology Features
Infotainment
Entertainment System:
Basic radio (likely optional), mechanical gauges for speed, fuel, temperature, oil pressure.
🔧 Maintenance
Service Intervals
Oil Change:
Typical interval of 3,000 miles or 6 months, as detailed in the manual
Grease Points:
Regular lubrication of kingpins, UJs, and steering joints is critical; intervals specified in manual
Fluid Specifications
Engine Oil:
e.g., SAE 20W/50 or 10W/30 (depending on climate), manual will specify exact grade and API rating
Coolant:
Water/antifreeze mixture, specific ratio provided in manual
Brake Fluid:
DOT 3 or DOT 4, manual will specify
Gearbox Oil:
e.g., EP 90 gear oil, manual will specify type and quantity
Known Issues
Chassis Corrosion:
Common on older vehicles with separate chassis, especially around suspension mounts and sills; manual will detail inspection points.
Engine Oil Leaks:
Can occur from crankshaft seals, valve cover gaskets, and oil sump gaskets; manual covers seal replacement.
Carburetor Tuning:
SU carburetors require periodic adjustment for optimal performance; manual provides tuning guides.
Suspension Wear:
Bushings and kingpins can wear, leading to imprecise handling; manual details inspection and replacement.
📚 Vehicle History
Brand Heritage
Manufacturer:
Triumph Motor Company (part of British Leyland)
Model Evolution
Design Basis:
Distinctive Michelotti-styled body on a separate chassis
12/50 Distinction:
The '12/50' designation typically referred to the 1200cc engine with a higher state of tune (around 50 bhp) compared to base Herald models, often with twin carburetors and improved trim.
Production
Manufacturing Location:
Coventry, England
🏆 Awards & Recognition
Recognitions
Historical Significance:
The Triumph Herald was a popular model in its time, known for its distinctive styling and practicality, representing a significant part of British automotive history.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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