🏷️ Basic Information

Make:

Harley-Davidson

Model:

FLHTCU TC Electra Glide Ultra Classic Twin Cooled

Year:

2015

Product Type:

Factory Service Repair Workshop Manual Download

Chassis Code:

FLHTCU TC

👋 Introduction

Segment:

Full-size touring motorcycle

Target Audience:

Long-distance touring riders, customizers, professional mechanics

Competitors:

Indian Roadmaster, Honda Gold Wing, BMW K1600GTL

Feature 1:

Twin-Cooled engine for enhanced performance and rider comfort

Feature 2:

Integrated fairing, saddlebags, and Tour-Pak with ample storage

Feature 3:

Boom! Box infotainment system with navigation and infotainment options

Feature 4:

Comfortable seating for rider and passenger, adjustable rider backrest

📋 Manual Details

Engine Service:

Comprehensive (disassembly, assembly, torque specs, diagnostics)

Transmission Service:

Comprehensive (disassembly, assembly, fluid types, diagnostics)

Electrical System:

Complete wiring diagrams, component testing, troubleshooting

Chassis And Suspension:

Front fork, rear suspension, steering, wheels, tires, brakes

Body And Frame:

Fairings, saddlebags, tour-pak, fuel tank, seat, frame components

Fuel And Emission Systems:

Fuel injection, exhaust, evaporative emissions

Maintenance Procedures:

Scheduled maintenance, inspections, fluid changes, filter replacements

Troubleshooting:

Diagnostic charts, symptom-based repairs, common issues

Estimated Pages:

700+

Type:

Factory Service Manual / Workshop Manual

Language:

English

Format:

Digital Download (PDF)

📖 Manual Coverage

Powertrain:

Twin-Cooled High Output Twin Cam 103 (1690cc) engine, 6-speed Cruise Drive transmission

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI), throttle body

Ignition:

Spark plug diagnosis, ignition coil testing, electronic control module (ECM)

Exhaust:

Mufflers, headpipes, catalytic converter (if applicable), oxygen sensors

Cooling System:

Twin-cooled system, radiator, coolant, pump, thermostat

Clutch:

Hydraulic clutch system, clutch plates

Brakes:

Front and rear disc brakes, hydraulic system, ABS (Anti-lock Braking System)

Suspension:

Telescopic front forks (49mm), rear emulsion shocks, air-adjustable

Steering:

Headset bearings, steering stem, triple clamps

Lighting:

Headlight, taillight, turn signals, auxiliary lighting

Instrumentation:

Speedometer, tachometer, fuel gauge, information display

Charging System:

Stator, regulator/rectifier, battery

Starting System:

Starter motor, starter solenoid, battery connections

Security System:

Smart remote, immobilizer, alarm functions

Audio System:

Boom! Box infotainment system, speakers, radio, Bluetooth

Cruise Control:

Electronic cruise control system

Engine Overhaul:

Complete disassembly, inspection, reassembly of engine components

Transmission Rebuild:

Disassembly, inspection, and reassembly of the 6-speed gearbox

Brake System Service:

Bleeding, caliper service, master cylinder replacement, ABS diagnostics

Suspension Adjustment And Repair:

Fork seal replacement, rear shock adjustments and replacements

Electrical Troubleshooting:

Using wiring diagrams to diagnose and repair electrical faults

Fuel System Cleaning And Adjustment:

Throttle body cleaning, fuel injector testing

Cooling System Maintenance:

Coolant flushing, system bleeding, leak detection

Wheel And Tire Service:

Tire replacement, wheel bearing inspection, balancing

Bodywork Repair:

Fairing repair and replacement, saddlebag mounting

Depth:

Expert-level; covers full rebuilds, complex diagnostics, and component-level repair

Diagnostic Tools:

Information on diagnostic codes and troubleshooting strategies

Specifications:

Includes all necessary torque specifications, clearances, and measurements

📊 Manual Specifications

Format:

PDF

Searchable:

Yes

Printable:

Yes

Quality:

High-resolution images and diagrams

Type:

N/A (Digital Download)

Type:

N/A (Digital Download)

⚙️ Engine Specifications

Engine Type:

Air-cooled V-twin with cylinder head cooling (Twin-Cooled)

Displacement:

103 cubic inches (1690 cc)

Bore X Stroke:

3.875 in. x 4.38 in. (98.4 mm x 111.3 mm)

Compression Ratio:

9.7:1

Horsepower:

Approx. 78 hp @ 5010 rpm (Manufacturer's estimate)

Torque:

Approx. 101 ft-lb @ 3250 rpm (Manufacturer's estimate)

Fuel Delivery:

Electronic Sequential Port Fuel Injection (ESPFI)

Fuel Type:

Premium unleaded gasoline, minimum 91 octane

Fuel Capacity:

6.0 gallons (22.7 L)

🔧 Transmission

Transmission Type:

6-Speed Cruise Drive

Clutch:

Hydraulic, 9-plate, wet clutch

Primary Drive:

Chain, 34/46 ratio

Final Drive:

Belt, 32/66 ratio

Gear Ratios:

1st: 9.593, 2nd: 6.650, 3rd: 4.937, 4th: 3.842, 5th: 3.279, 6th: 2.790

Transmission Fluid Type:

Harley-Davidson Formula+ Transmission & Primary Chaincase Lube (or equivalent)

📐 Dimensions

Length:

103.1 in. (2619 mm)

Width:

38.4 in. (975 mm)

Height:

54.1 in. (1374 mm)

Wheelbase:

64.2 in. (1630 mm)

Ground Clearance:

5.1 in. (130 mm)

Dry Weight:

815 lbs. (370 kg)

Gross Vehicle Weight Rating (Gvwr):

1360 lbs. (617 kg)

Payload Capacity:

545 lbs. (247 kg)

Saddlebag Capacity:

Approx. 2.26 cu ft

Tour Pak Capacity:

Approx. 1.73 cu ft

🛡️ Safety Features

Crash Test Ratings:

N/A (Motorcycle safety is typically evaluated differently than cars)

ABS:

Standard (Integrated, linked braking front and rear)

Cruise Control:

Standard Electronic Cruise Control

Lighting:

Halogen headlight, LED taillight and stop lights, auxiliary passing lamps

Security:

Standard H-D Smart Security System with proximity-based, hands-free fob

Frame:

Steel, 2-1-4 inch diameter, mild steel, formed and welded

💡 Technology Features

System Name:

Boom! Box 6.5 GT Infotainment System

Features:

Color touchscreen, GPS navigation, AM/FM radio, USB/SD card/Bluetooth audio, voice recognition

Feature:

Standard ABS (Anti-lock Braking System)

Phone Integration:

Bluetooth connectivity for hands-free calling and audio streaming

Personal Device Support:

USB port for charging and media playback

🔧 Maintenance

First Service:

1,000 miles (1600 km) or 6 months, whichever comes first

Subsequent Services:

Every 5,000 miles (8,000 km) or 12 months, whichever comes first

Engine Oil:

Harley-Davidson SYN3 Full Synthetic SAE 20W50 (or approved equivalent)

Transmission Fluid:

Harley-Davidson Formula+ Transmission & Primary Chaincase Lube

Primary Chaincase Fluid:

Harley-Davidson Formula+ Transmission & Primary Chaincase Lube

Brake Fluid:

DOT 4 (Harley-Davidson Premium DOT 4 Brake Fluid recommended)

Coolant:

50/50 mix of Harley-Davidson Performance Coolant and distilled water

Common Concern 1:

Potential for exhaust pushrod tube leaks on early Twin Cam models (less common on Twin-Cooled). Manual details inspection and replacement procedures.

Common Concern 2:

Electrical connector corrosion over time, particularly in humid climates. Manual provides troubleshooting and cleaning guidance.

Common Concern 3:

Rear suspension air leaks if not properly maintained. Manual covers air shock service.

📚 Vehicle History

Manufacturer:

Harley-Davidson Motor Company

Founding Year:

1903

Electra Glide Lineage:

The Electra Glide has been a cornerstone of Harley-Davidson's touring lineup since 1965, evolving from the Duo-Glide. The Ultra Classic designation signifies the top-tier, fully-equipped touring model.

Twin Cooled Introduction:

The 'Twin-Cooled' technology was introduced to the Milwaukee-Eight engine platform in later years, but the 2015 model year still utilized the Twin Cam engine with the supplemental liquid cooling in the cylinder heads for improved thermal management.

Manufacturing Location:

York, Pennsylvania, USA; Milwaukee, Wisconsin, USA