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Triumph

Triumph TR3 1955-1962 Workshop Service Manual for Repair

Triumph TR3 1955-1962 Workshop Service Manual for Repair

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$16.99
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Vehicle data plateRef 204841
Brand
Triumph
Vehicle
Cars
Models covered
TR Models, TR3
Years
1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962
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:
TR3
Production Years:
1955-1962
Codes
Chassis Codes:
TR3, TR3A, TR3B
👋 Introduction
Market Position
Segment:
Classic British Sports Car
Target Audience:
Enthusiasts, classic car restorers, DIY mechanics.
Competitive Analysis
Competitors:
Austin-Healey 100/3000, MG T-series, Alfa Romeo Giulietta Spider.
Key Features
Distinctiveness:
Powerful engine for its era, robust chassis, engaging driving experience, iconic styling.
📋 Manual Details
Coverage Areas
Engine:
Yes
Transmission:
Yes
Electrical System:
Yes
Suspension:
Yes
Brakes:
Yes
Steering:
Yes
Bodywork:
Yes
Interior:
Yes
Troubleshooting:
Yes
Maintenance Schedules:
Yes
Technical Specifications:
Yes
Special Tools:
Yes
Page Count
Pages:
456
Manual Type
Type:
Workshop Service Manual
Language
Language:
English
Format
File Format:
PDF
Accessibility:
Instant Download
Compatibility:
Windows, Mac, Linux OS
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Detailed overhaul procedures for cylinder head, block, pistons, crankshaft, camshaft, timing system, lubrication system.
Fuel System:
Carburetor (SU) tuning and rebuilding, fuel pump, fuel lines, tank.
Ignition System:
Distributor, coil, spark plugs, wiring, timing adjustments.
Cooling System:
Radiator, water pump, thermostat, hoses, fan.
Exhaust System:
Manifolds, pipes, mufflers, catalytic converter (if applicable for later models/conversions).
Clutch:
Removal, installation, adjustment, and overhaul of clutch assembly and hydraulic system.
Transmission Manual:
Gearbox disassembly, assembly, troubleshooting, fluid specifications.
Driveshaft And Rear Axle:
Universal joints, propeller shaft, differential (salisbury type), axle shafts, bearings.
Front Suspension:
Independent front suspension, wishbones, kingpins, bushings, shock absorbers, springs.
Rear Suspension:
Live rear axle, leaf springs, shock absorbers, bushings.
Steering System:
Steering box, track rods, tie rod ends, steering column, wheel alignment.
Braking System:
Front disc brakes (standard on TR3), rear drum brakes, master cylinder, wheel cylinders, brake lines, fluid specifications.
Electrical System Charging:
Generator/alternator, voltage regulator, battery.
Electrical System Starting:
Starter motor, starter solenoid, ignition switch.
Electrical System Lighting:
Headlights, taillights, turn signals, interior lights, wiring diagrams.
Electrical System Instruments:
Speedometer, tachometer, fuel gauge, oil pressure gauge, temperature gauge, ammeter.
Body And Chassis:
Frame inspection and repair, body panel removal and installation, doors, hood, trunk, convertible top mechanism.
Interior Trim:
Dashboard, seats, carpets, door panels, weather stripping.
Procedures Included
Routine Maintenance:
Oil changes, lubrication points, filter replacements, tune-ups, brake adjustments.
Diagnosis And Testing:
Troubleshooting common symptoms, diagnostic procedures for all major systems.
Component Removal And Installation:
Step-by-step guides for removing and reinstalling all major components.
Disassembly And Assembly:
Detailed breakdown and reassembly of engine, transmission, suspension, and brake components.
Adjustments:
Carburetor synchronization, ignition timing, valve clearance, brake adjustments, clutch adjustment, steering alignment.
Rebuilding Procedures:
Comprehensive instructions for rebuilding engines, carburetors, brake systems, and other key components.
Technical Depth
Depth:
Comprehensive, covering major overhauls, rebuilds, and detailed diagnostics.
Illustrations:
Detailed pictorial diagrams, exploded views, and photographs.
Special Tool Reference:
Identifies and illustrates specific service tools required for various procedures.
Wear Limits:
Provides precise wear limits for critical engine and mechanical components.
Torque Specifications:
Detailed torque values for all critical fasteners.
Wiring Diagrams:
Includes electrical wiring diagrams for the entire vehicle.
📊 Manual Specifications
File Format
Quality:
High-resolution, fully printable PDF.
Print Quality
Printability:
Yes, all pages are printable.
Binding Type
Binding:
N/A (Digital PDF)
Paper Type
Paper Quality:
N/A (Digital PDF)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Inline-4, Overhead Valve (OHV)
Displacement Cc:
1796 (for early TR3), 2138 (for TR3A and TR3B)
Performance
Horsepower Bhp:
62-65 bhp (1796cc), 100-105 bhp (2138cc)
Torque Lb-Ft:
97 lb-ft (1796cc), 135 lb-ft (2138cc)
Fuel System
Carburetors:
Twin SU H6 (early), Twin Stromberg CD175 (later TR3B)
🔧 Transmission
Standard
Type:
4-speed manual
Optional
Overdrive:
Optional Laycock de Normanville overdrive (often on 3rd and 4th gear)
Features
Gear Ratios:
Specific ratios detailed in manual (e.g., 3.45:1, 2.20:1, 1.41:1, 1.00:1 for standard gearbox).
📐 Dimensions
Exterior
Length In:
Approx. 155.0 inches
Width In:
Approx. 57.0 inches
Height In:
Approx. 50.0 inches (top up)
Weights
Curb Weight Lbs:
Approx. 2000-2150 lbs
🛡️ Safety Features
Ratings
Crash Testing:
N/A (Modern crash safety standards not applicable to this era)
Active Features
Braking:
Front disc brakes, rear drum brakes.
Passive Features
Seat Belts:
Optional or aftermarket fitment, not standard from factory in early years.
Roll Bar:
Optional or aftermarket, particularly for TR3A models.
💡 Technology Features
Infotainment
Audio System:
Typically a basic AM radio, often aftermarket fitted.
Driver Assistance
Features:
None standard. Focus is on mechanical engagement.
Connectivity
Features:
N/A
🔧 Maintenance
Service Intervals
Oil Change:
Every 3,000 miles or 6 months (refer to manual for exact spec).
Grease Points:
Regular greasing required at chassis points (refer to specific lubrication chart).
Fluid Specifications
Engine Oil:
SAE 20W-50 or 20W-40 (check manual for specific ambient temperature recommendations).
Brake Fluid:
DOT 3 or DOT 4 (Glycol-based, check manual for specific type required).
Transmission Fluid:
GL-4 Hypoid Gear Oil (e.g., SAE 90, manual will specify exact type).
Coolant:
Ethylene Glycol based antifreeze mixed with distilled water (50/50 ratio typical).
Known Issues
Common Problems:
Oil leaks (rocker cover, sump, rear crankshaft seal), gearbox synchromesh wear, kingpin wear, electrical gremlins, carburetor tuning issues, cooling system leaks.
📚 Vehicle History
Brand Heritage
Manufacturer:
Standard-Triumph (later part of British Leyland)
Model Evolution
Tr3 To Tr3A:
Key changes include introduction of disc brakes on all four wheels (early TR3), then upgrade to 2.2L engine and modifications to bodywork (TR3A) including a conventional grille and optional roll bar. TR3B had a larger engine option.
Production
Production Start:
1955
Production End:
1962
🏆 Awards & Recognition
Recognitions
Historical Acclaim:
Popular in motorsport and rallying during its production period.

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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