The 2004 Mitsubishi Lancer Evolution VIII MR (Chassis Code CT9A) is a performance compact sedan renowned for its motorsport heritage and advanced all-wheel-drive system. Built as a homologation special, this model draws directly from Mitsubishi's World Rally Championship success. It features a potent 4G63T MIVEC DOHC turbocharged intercooled engine, producing 276 horsepower and 286 lb-ft of torque, paired with a 6-speed manual Getrag transmission and an Active Center Differential (ACD). Its engineering emphasizes agility and driver engagement, with MR-specific Bilstein shock absorbers and Eibach springs, front Brembo 4-piston calipers, and a sophisticated drivetrain including front helical LSD and rear active LSD. This vehicle is designed for enthusiasts and performance driving, offering a direct connection to rally-bred technology and exceptional handling capabilities.
This comprehensive Workshop Service Repair Manual provides detailed information for the maintenance and repair of the 2004 Mitsubishi Lancer Evolution VIII MR. It covers a wide array of systems, including general information, service specifications, emission control, electrical systems, body components, suspension, steering, lubrication, drivetrain, brakes, engine maintenance and troubleshooting, and the instrument panel. The manual includes procedures for routine maintenance, fluid changes, filter replacements, spark plug and timing belt services, as well as in-depth troubleshooting, diagnostic flowcharts, and repair instructions for major components like the engine, transmission, brakes, and suspension. With an estimated 1000+ pages, this English-language manual is an essential resource for owners, mechanics, and technicians seeking to understand, maintain, and repair this performance-oriented vehicle accurately.
Model:
Lancer Evolution VIII MR
Segment:
Performance Compact Sedan (rally homologation special)
Target Audience:
Enthusiasts, professional mechanics, owners seeking in-depth DIY knowledge and repair capabilities.
Competitors:
Subaru Impreza WRX STI, Mitsubishi Lancer Evolution (other generations), Ford Focus RS, Volkswagen Golf R, Honda Civic Type R.
Performance Focus:
Designed for a vehicle renowned for its motorsport heritage and advanced AWD system.
Documentation Type:
Official factory workshop manual content, providing accurate and detailed repair information.
Systems Covered:
General Information, Service Specifications, Emission Control, Electrical Systems, Body (Bumpers, Hood, Fenders, Grille, Accessories), Suspension, Steering, Lubrication, Propeller Shaft, Differential, Brakes, Engine Maintenance & Troubleshooting, Instrument Panel, Front Axle, Rear Axle, Transmission, Drive Configuration, Clutch System, Index.
Page Count:
Estimated 1000+ pages (typical for comprehensive workshop manuals)
Manual Type:
Workshop Service Repair Manual
Engine:
4G63T (MIVEC DOHC Turbocharged Intercooled)
Transmission:
6-speed manual (Getrag) with ACD (Active Center Differential)
Drivetrain:
All-Wheel Drive (AWD) with ACD, Front Helical LSD, Rear Active LSD
Brakes:
Front Brembo 4-piston calipers, Rear Brembo 2-piston calipers, ABS, EBD
Suspension:
MacPherson strut front, Multi-link rear, Bilstein shock absorbers, Eibach springs (MR specific)
Steering:
Power-assisted rack and pinion
Electrical:
Wiring diagrams, ECU, sensors, lighting, body control modules, audio system
Maintenance:
Routine scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid, differential fluid), filter replacements, belt inspections and replacements.
Troubleshooting:
Diagnostic procedures for common and uncommon issues across all major systems, fault code interpretation.
Repair:
Engine disassembly and reassembly, transmission overhaul, brake component replacement, suspension component replacement, body panel repair, electrical component repair.
Diagnostics:
Detailed diagnostic flowcharts, component testing procedures, ECU parameter checks.
Installation:
Procedures for installing common replacement parts and accessories as per factory specifications.
Depth:
Comprehensive, covering everything from basic fluid checks to complete engine and transmission rebuilds, advanced electrical diagnostics, and chassis component alignment.
PDF Quality:
High resolution, fully searchable text, allowing for easy navigation and keyword searches.
Printable Pages:
All pages are printable, allowing users to create physical copies for workshop use.
Binding Type:
N/A (Digital PDF format)
Paper Type:
N/A (Digital PDF format)
Engine Code:
4G63T (Evolution VIII variant)
Configuration:
Inline 4-cylinder, DOHC, 16-valve, turbocharged, intercooled
Displacement:
1997 cc (2.0 Liters)
Horsepower Usdm:
276 hp @ 6500 rpm
Torque Usdm:
286 lb-ft @ 3500 rpm
Horsepower Jdm:
280 PS (276 hp) @ 6500 rpm (net)
Torque Jdm:
333 Nm (246 lb-ft) @ 3500 rpm (net)
Fuel Delivery:
Electronic Fuel Injection (MPI - Multi-Point Injection) with high-flow injectors
Fuel Type:
Unleaded Premium Unleaded Gasoline (91 octane or higher recommended)
Coolant Capacity:
Approx. 6.8 Liters (14.4 US Quarts)
Type:
6-speed Manual Transmission (Getrag MD742)
Acd:
Active Center Differential (ACD) for variable torque split
Lsd:
Helical LSD front, Active LSD rear (part of AYC system)
Manual Transmission Fluid:
Mitsubishi Diaqueen Gear Oil GL-5 75W-85 (or equivalent)
Acd Fluid:
Mitsubishi Diaqueen LSD Gear Oil GL-5 75W-85 (or equivalent)
Rear Diff Fluid:
Mitsubishi Diaqueen LSD Gear Oil GL-5 75W-85 (or equivalent)
Length:
4435 mm (174.6 in)
Height:
1415 mm (55.7 in)
Wheelbase:
2600 mm (102.4 in)
Curb Weight:
Approx. 1400 kg (3086 lbs)
Gross Vehicle Weight Rating:
Approx. 1815 kg (3999 lbs)
NHTSA Frontal Crash:
5-Star (for driver and front passenger)
ABS:
Anti-lock Braking System
Ebd:
Electronic Brakeforce Distribution
Ayc:
Active Yaw Control (integrated with ACD)
Airbags:
Driver and front passenger airbags, side curtain airbags (optional/standard depending on market)
Seatbelts:
3-point front seatbelts with pre-tensioners and force limiters, 3-point rear seatbelts
Audio System:
Factory AM/FM CD player with 6 speakers, optional Rockford Fosgate audio upgrade.
Acd Modes:
Driver-selectable modes for ACD (Tarmac, Gravel, Snow) affecting torque distribution.
Ayc:
Active Yaw Control (AYC) system actively distributes torque to the rear wheels for improved cornering.
Gauge Cluster:
Multi-function gauge cluster including boost gauge and ACD status display.
Engine Oil Change:
Every 5,000 miles or 6 months (whichever comes first) for normal use; 3,000 miles or 3 months for severe use (e.g., track driving, frequent short trips).
Engine Oil Filter:
Replace with every oil change.
Spark Plugs:
Replace every 60,000 miles (standard plugs) or 105,000 miles (iridium plugs).
Timing Belt:
Replace every 96,000 miles or 8 years.
Engine Oil:
API SG, SH, or SJ classification, SAE 5W-30 viscosity (check owner's manual for precise recommendation).
Engine Coolant:
Mitsubishi Super Long Life Coolant (Zebra Green) or equivalent OAT/HOAT coolant (50/50 mix with distilled water).
Brake Fluid:
DOT 3 or DOT 4 High-Temperature Brake Fluid.
Engine Internal:
Ringland failure in early 4G63 engines under extreme stress, valve seal wear, turbocharger oil feed issues if maintenance is neglected.
Drivetrain:
ACD pump failure, AYC pump failure, differential wear with aggressive use.
Clutch:
Clutch wear can be accelerated by aggressive driving; hydraulic system leaks.
Body Electrical:
Corrosion on strut towers, minor electrical gremlins if water ingress occurs.
Motorsport Connection:
Direct lineage from Mitsubishi's WRC (World Rally Championship) success, built as a homologation special.
Evo Viii Introduction:
Introduced in 2003 as the Evolution VIII, building on the success of the Evolution VII.
Mr Variant:
The 'MR' (Mitsubishi Racing) designation signifies a more performance-oriented package, often including specific suspension tuning, lighter components, and premium interior features compared to the standard GSR or RS trims.
Production Location:
Japan
Production Years Evo Viii:
2003-2005
General Reputation:
Consistently lauded by automotive journalists and enthusiasts as one of the greatest performance sedans of its era, often appearing on 'best of' lists.
