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Triumph

1969-1974 Triumph TR6 [TC/PI Models incldued] Workshop Repair Service Manual

1969-1974 Triumph TR6 [TC/PI Models incldued] Workshop Repair Service Manual

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Vehicle data plateRef 329863
Brand
Triumph
Vehicle
Cars
Models covered
TR Models, TR6, TR6 PI, TR6 TC
Years
1969, 1970, 1971, 1972, 1973, 1974
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
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  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Triumph
Model:
TR6
Model Designation:
TR6
Body Style:
2-door convertible/roadster
Production Years Covered:
1969-1974
Engine Variants Covered:
All models, including TC and PI (Petrol Injection) variants
Codes
Chassis Prefix:
CF (early US models), CC (later US models), CP (European models)
Engine Codes:
Z (US spec), Y (UK/export spec)
👋 Introduction
Market Position
Vehicle Segment:
Classic British sports car
Target Audience:
Triumph TR6 owners, enthusiasts, and independent mechanics
Competitive Analysis
Key Competitors:
MG MGB GT V8, Datsun 240Z, Chevrolet Corvette (lower end)
Key Features
Manual Benefit 1:
Enables DIY repairs, saving significant costs
Manual Benefit 2:
Provides step-by-step guidance with clear illustrations
Manual Benefit 3:
Covers all model variations and systems for the specified years
Manual Benefit 4:
Offers detailed technical data, specifications, and torque values
Manual Benefit 5:
Facilitates understanding and maintenance of classic vehicle systems
📋 Manual Details
Coverage Areas
Manual Type:
Workshop Repair Service Manual
Language:
English
Format:
PDF
Platform Compatibility:
All Versions of Windows, Mac, iOS, BB, Android
Accessibility Requirements:
PDF Reader
Printability:
Yes
Digital Delivery:
Instant Download
📖 Manual Coverage
Systems Covered
Engine Mechanical:
Complete overhaul, rebuilding, timing, performance tuning
Fuel System:
Carburetor (Stromberg CD series) and Petrol Injection (Lucas PI) systems, fuel pumps, lines, tank
Ignition System:
Distributor, coil, spark plugs, wiring, timing
Cooling System:
Radiator, fan, hoses, water pump, thermostat
Exhaust System:
Manifolds, pipes, mufflers, catalytic converters (if applicable to specific market models)
Drivetrain:
Transmission (gearbox), clutch, driveshaft, rear axle, differential
Suspension:
Front and rear suspension, shock absorbers, springs, wishbones, kingpins, alignment
Brakes:
Front discs, rear drums, hydraulic system, master cylinder, wheel cylinders, brake lines, servicing procedures
Steering:
Steering column, rack and pinion, tie rods, steering wheel
Electrical System:
Battery, charging system (alternator/dynamo), starter motor, lighting, instrumentation, warnings systems, audio system, wiring diagrams
Bodywork And Chassis:
Frame and mounting, body panels, doors, hood, trunk, interior trim, sunroof operation
Climate Control:
Heating system, ventilation
Procedures Included
Routine Maintenance:
Oil changes, filter replacements, lubrication, tune-ups, fluid level checks
Engine Repair:
Complete rebuilds, piston ring replacement, bearing replacement, valve jobs, head gasket replacement
Transmission Service:
Removal, installation, in-car servicing, gear shift mechanism repair
Brake System Repair:
Pad/shoe replacement, caliper/wheel cylinder servicing, bleeding, hydraulic line replacement
Suspension And Steering Repair:
Component replacement (bushings, ball joints, tie rods), alignment procedures
Electrical Troubleshooting:
Diagnostic trees, wiring diagram interpretation, component testing
Fuel System Diagnostics:
Carburetor adjustment and rebuilding, PI system troubleshooting
Troubleshooting Guides:
Problem identification and resolution for common driving concerns
Component Replacement:
Detailed instructions for virtually all vehicle parts
Torquing Procedures:
Complete torque specifications for critical fasteners
Timing Belt Replacement:
While the TR6 is a chain-driven OHC engine, this likely refers to general timing procedures or is a generic inclusion for comprehensive manuals. Clarification: TR6 uses a timing chain.
U Joint And Cv Joint Service:
Driveshaft U-joint servicing
Technical Depth
Diagnostic Capability:
Advanced diagnostics, troubleshooting trees, computer diagnostic codes (relevant for PI models)
Rebuild Complexity:
Comprehensive engine and transmission overhaul and rebuilding procedures
Illustration Quality:
Detailed illustrations, exploded diagrams, drawings, and photos
Completeness:
100% complete and intact, covers all aspects A-Z
📊 Manual Specifications
File Format
File Type:
PDF
Searchability:
Likely searchable text within the PDF
Print Quality
Page Output:
Printable pages for workshop use
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Quality:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Inline-6 (Straight-6)
Displacement:
2498 cc (2.5 Liters)
Bore X Stroke:
74.6 mm x 96.0 mm (approx.)
Compression Ratio:
7.5:1 (US spec), 8.5:1 (UK/export spec) - varies slightly by year and market
Performance
Horsepower Us Spec:
104 hp (SAE Gross) @ 4700 rpm (carbureted)
Horsepower Uk Export Spec:
124 hp (SAE Gross) @ 5200 rpm (fuel injected)
Torque Us Spec:
137 lb-ft (SAE Gross) @ 3000 rpm (carbureted)
Torque Uk Export Spec:
150 lb-ft (SAE Gross) @ 3500 rpm (fuel injected)
Fuel System
Carbureted Models:
Dual Stromberg CD150 or CD175 carburetors
Pi Models:
Lucas Petroleum Injection system
Valve Train
Configuration:
Overhead Camshaft (OHC)
Timing Mechanism:
Timing Chain
🔧 Transmission
Standard
Type:
4-speed manual gearbox
Optional
Type:
3-speed Laycock de Normanville overdrive (optional on some manual models)
Automatic Transmission:
3-speed BorgWarner automatic transmission (less common)
Features
Clutch:
Single dry plate, hydraulically operated
Gear Ratios Manual:
Specific ratios provided in manual (e.g., 1st: 2.849, 2nd: 1.916, 3rd: 1.322, 4th: 1.00)
Fluid Specifications
Manual Gearbox Oil:
GL4 Hypoid Gear Oil (e.g., Castrol EPX 80W/90 or equivalent, capacity approx. 2.2 pints)
Overdrive Fluid:
Automatic Transmission Fluid (ATF), Type 'A' Suffix 'A' or Dexron II (capacity approx. 1 pint)
Automatic Transmission Fluid:
Dexron II or equivalent (capacity approx. 7 pints)
📐 Dimensions
Exterior
Length:
approx. 157.5 inches (4000 mm)
Width:
approx. 60.0 inches (1524 mm)
Height:
approx. 49.5 inches (1257 mm) (top up)
Wheelbase:
approx. 86.0 inches (2184 mm)
Front Track:
approx. 51.75 inches (1314 mm)
Rear Track:
approx. 50.5 inches (1283 mm)
Weights
Curb Weight Carbureted:
approx. 2450 lbs (1111 kg)
Curb Weight Pi:
approx. 2500 lbs (1134 kg)
Gross Vehicle Weight:
Refer to manual for specific ratings
Cargo
Trunk Capacity:
Limited, designed for sport driving
🛡️ Safety Features
Ratings
Crash Test Data:
N/A (era specific standards and availability)
Active Features
Brakes:
Four-wheel disc brakes (front ventilated) by 1970 (standard on TR6), earlier models had front discs and rear drums.
Steering:
Rack and pinion steering for precise control.
Passive Features
Seat Belts:
Standard fitment on later models, often optional or retrofitted on earlier ones.
Windscreen:
Laminated safety glass.
Roll Over Protection:
Optional hardtop and roll bar/hoop available.
💡 Technology Features
Infotainment
Audio System:
Provision for radio and speakers, often an AM/FM radio in period.
Speaker Configuration:
Typically dashboard and/or door mounted speakers.
Driver Assistance
ABS:
Not available.
Traction Control:
Not available.
Connectivity
Bluetooth:
Not available.
Usb:
Not available.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Refer to manual for specific mileage/time (typically 3,000-6,000 miles or 6-12 months)
Grease Points:
Regular lubrication of suspension and steering components is crucial.
Tune Up Interval:
Regular checks of ignition timing, carburetor/PI settings, and valve clearances are recommended.
Fluid Specifications
Engine Oil Type:
20W/50 or 20W/50 HD for most conditions (API SF/CD or equivalent). Check manual for specific recommendations.
Coolant:
50/50 mixture of ethylene glycol antifreeze and distilled water.
Brake Fluid:
DOT 3 or DOT 4 non-silicone based hydraulic fluid.
Washer Fluid:
Automotive windshield washer fluid.
Known Issues
Common Wear Item 1:
Bushings (suspension, steering) can degrade over time.
Common Wear Item 2:
Fuel system components (hoses, pump, injectors on PI models) can require attention due to age.
Common Wear Item 3:
Electrical connections and wiring can corrode or degrade.
Common Wear Item 4:
Carburetor tuning and rebuilds are common for optimal performance.
Common Wear Item 5:
Rust is a common concern on classic cars, particularly in the sills, wheel arches, and floor pans.
Common Wear Item 6:
Lucas PI systems can be sensitive and require meticulous maintenance and correct tuning.
📚 Vehicle History
Brand Heritage
Manufacturer:
Triumph Motor Company, part of British Leyland
Sporting Lineage:
Successor to the TR2, TR3, TR4, and TR5/TR250, continuing Triumph's tradition of affordable sports cars.
Model Evolution
Design Basis:
Based on the Michelotti-styled chassis of the TR4 and TR5/TR250, but with a distinct Kamm-tail bodywork by Karmann of Germany.
Key Changes During Production:
Transition from carbureted to fuel injection (PI) for European markets, safety bumper updates (US federal regulations), interior trim revisions.
Production
Production Period:
1969 - 1976
Production Numbers:
Over 110,000 TR6s produced.
Manufacturing Location:
Coventry, England
🏆 Awards & Recognition
Recognitions
Automotive Reviews:
Consistently praised for its performance, handling, and classic styling by period automotive press.
Classic Car Status:
Highly regarded and sought-after classic sports car within the automotive enthusiast community.
Collectible Status:
Appreciated for its straightforward engineering and driving experience, making it a popular choice for restoration and club activities.

Delivery & file format

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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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