1993 Dodge Daytona IROC Service and Repair Manual

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🏷️ Basic Information Identification Make: Dodge Model: Daytona IROC Year: 1993 👋 Introduction Market Position Positioning: The Dodge Daytona IROC was a performance-oriented variant of the Dodge Daytona, competing in the affordable sports coupe market against rivals like the Ford Mustang and Chevrolet Camaro. Competitive Analysis Competitors: Ford Mustang, Chevrolet Camaro, Pontiac Firebird, Toyota Celica GT-S, Nissan 300ZX (though often at a higher price point). Key Features Performance Focus: The IROC trim denoted a focus on sportiness with distinct styling cues, upgraded suspension, and optional powerful engines. Aerodynamics: Known for its aerodynamic styling, a hallmark of the Chrysler's K-car platform derivatives. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair for 1993 Dodge Daytona IROC. Engine Variants Covered: 2.5L Turbocharged I4 (174 hp) and 3.0L V6 (141 hp). Transmission Variants Covered: 5-speed Manual Transmission (Getrag G360) and 3-speed Automatic Transmission (A604). Page Count Estimated Pages: Approximately 1000+ pages (typical for comprehensive factory service manuals). Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Printed 📖 Manual Coverage Systems Covered Engine: Disassembly, assembly, inspection, repair, troubleshooting, diagnostics for both 2.5L Turbo and 3.0L V6 engines. Fuel System: Fuel injection systems (MPI), fuel pump, fuel injectors, fuel pressure testing, evaporative emission control system (EVAP). Cooling System: Radiator, water pump, thermostat, hoses, cooling fan operation, coolant specifications. Ignition System: Spark plugs, ignition coils, distributor (if applicable), ignition timing, diagnostic procedures. Exhaust System: Exhaust manifold, catalytic converter, mufflers, O2 sensors, emissions control components. Transmission Manual: Clutch system, gearbox disassembly/assembly, shift linkages, lubricant specifications. Transmission Automatic: Torque converter, valve body, planetary gear sets, transmission fluid, diagnostic procedures for A604. Brakes: Front and rear brake systems (disc/drum), hydraulic system, ABS (if equipped), brake pad/rotor replacement, bleeding procedures. Suspension: Front MacPherson struts, rear independent suspension, control arms, bushings, shock absorbers, alignment specifications. Steering: Power steering system, steering column, tie rods, steering gear/rack replacement, hydraulic fluid. Electrical System: Battery, alternator, starter motor, wiring diagrams, fuses, relays, lighting system, power windows, door locks. Body And Frame: Body panel removal/installation, interior trim, glass replacement, chassis identification, corrosion protection. HVAC: Heating, ventilation, and air conditioning system components, refrigerant types, system diagnostics. Procedures Included Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement. Troubleshooting: Systematic diagnostic procedures for common driveability issues, electrical faults, and mechanical problems. Repair: Detailed step-by-step instructions for component removal, repair, and reinstallation across all major vehicle systems. Diagnostics: On-board diagnostics (OBD-I), scan tool connector location, diagnostic trouble codes (DTCs) for engine and transmission. Technical Depth Depth: Covers basic maintenance to complete engine and transmission overhauls, including internal component repairs. Diagnostics Level: Advanced diagnostics including electrical circuit tracing, sensor testing, and actuator testing. Specifications Detail: Includes torque specifications, clearances, fluid capacities, and electrical component resistance values. 📊 Manual Specifications File Format File Format: N/A (Printed) Print Quality Print Quality: Professional factory print quality, clear diagrams and text. Binding Type Binding Type: Often perfect bound or spiral bound for lay-flat usability. Paper Type Paper Type: Durable, high-quality paper suitable for workshop environments. ⚙️ Engine Specifications Primary Engine Engine 1 Displacement: 2.5L (2507cc) Engine 1 Type: Turbocharged Inline-4 (Turbo III engine) Engine 1 Bore X Stroke: 3.88 in x 3.37 in (98.5 mm x 85.5 mm) Engine 1 Compression Ratio: 8.0:1 Engine 1 Horsepower: 174 hp @ 5200 rpm Engine 1 Torque: 200 lb-ft @ 2800 rpm Secondary Engine Engine 2 Displacement: 3.0L (2972cc) Engine 2 Type: Naturally Aspirated V6 (Mitsubishi 6G72) Engine 2 Bore X Stroke: 3.50 in x 3.17 in (89 mm x 80 mm) Engine 2 Compression Ratio: 8.1:1 Engine 2 Horsepower: 141 hp @ 5000 rpm Engine 2 Torque: 168 lb-ft @ 3000 rpm Performance 0-60 Mph Turbo: Approx. 7.5 - 8.0 seconds 0-60 Mph V6: Approx. 9.5 - 10.5 seconds Fuel System Fuel Delivery Turbo: Multi-Point Fuel Injection (MPI) with Garrett T2 turbocharger Fuel Delivery V6: Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded premium gasoline (91+ octane recommended for 2.5L Turbo) 🔧 Transmission Standard Transmission Standard: 5-speed Manual Transmission (Getrag G360) Optional Transmission Optional: 3-speed Automatic Transmission (Chrysler A604 - FWD Transaxle) Features Automatic Features: Electronically controlled, adaptive shifting (for A604). Fluid Specifications Manual Transmission Fluid: API GL-5, SAE 75W-90 synthetic gear oil recommended. Automatic Transmission Fluid: Chrysler ATF+2 (or equivalent approved fluid) 📐 Dimensions Exterior Length: 170.3 inches (4325 mm) Width: 67.4 inches (1712 mm) Height: 50.6 inches (1285 mm) Wheelbase: 96.1 inches (2441 mm) Front Track: 56.3 inches (1430 mm) Rear Track: 56.1 inches (1425 mm) Weights Curb Weight Turbo Manual: Approx. 3050 lbs (1383 kg) Curb Weight V6 Auto: Approx. 3080 lbs (1397 kg) Gross Vehicle Weight Rating: Approx. 4000 lbs (1814 kg) Cargo Cargo Volume: Approx. 13.0 cubic feet 🛡️ Safety Features Ratings NHTSA Driver Side Impact Rating: Not extensively rated by NHTSA in modern standards. Historical frontal crash test...

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Description

🏷️ Basic Information

Identification

Make:

Dodge

Model:

Daytona IROC

Year:

👋 Introduction

Market Position

Positioning:

The Dodge Daytona IROC was a performance-oriented variant of the Dodge Daytona, competing in the affordable sports coupe market against rivals like the Ford Mustang and Chevrolet Camaro.

Competitive Analysis

Competitors:

Ford Mustang, Chevrolet Camaro, Pontiac Firebird, Toyota Celica GT-S, Nissan 300ZX (though often at a higher price point).

Key Features

Performance Focus:

The IROC trim denoted a focus on sportiness with distinct styling cues, upgraded suspension, and optional powerful engines.

Aerodynamics:

Known for its aerodynamic styling, a hallmark of the Chrysler's K-car platform derivatives.

📋 Manual Details

Coverage Areas

Primary Coverage:

Comprehensive service and repair for 1993 Dodge Daytona IROC.

Engine Variants Covered:

2.5L Turbocharged I4 (174 hp) and 3.0L V6 (141 hp).

Transmission Variants Covered:

5-speed Manual Transmission (Getrag G360) and 3-speed Automatic Transmission (A604).

Page Count

Estimated Pages:

Approximately 1000+ pages (typical for comprehensive factory service manuals).

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

Printed

📖 Manual Coverage

Systems Covered

Engine:

Disassembly, assembly, inspection, repair, troubleshooting, diagnostics for both 2.5L Turbo and 3.0L V6 engines.

Fuel System:

Fuel injection systems (MPI), fuel pump, fuel injectors, fuel pressure testing, evaporative emission control system (EVAP).

Cooling System:

Radiator, water pump, thermostat, hoses, cooling fan operation, coolant specifications.

Ignition System:

Spark plugs, ignition coils, distributor (if applicable), ignition timing, diagnostic procedures.

Exhaust System:

Exhaust manifold, catalytic converter, mufflers, O2 sensors, emissions control components.

Transmission Manual:

Clutch system, gearbox disassembly/assembly, shift linkages, lubricant specifications.

Transmission Automatic:

Torque converter, valve body, planetary gear sets, transmission fluid, diagnostic procedures for A604.

Brakes:

Front and rear brake systems (disc/drum), hydraulic system, ABS (if equipped), brake pad/rotor replacement, bleeding procedures.

Suspension:

Front MacPherson struts, rear independent suspension, control arms, bushings, shock absorbers, alignment specifications.

Steering:

Power steering system, steering column, tie rods, steering gear/rack replacement, hydraulic fluid.

Electrical System:

Battery, alternator, starter motor, wiring diagrams, fuses, relays, lighting system, power windows, door locks.

Body And Frame:

Body panel removal/installation, interior trim, glass replacement, chassis identification, corrosion protection.

HVAC:

Heating, ventilation, and air conditioning system components, refrigerant types, system diagnostics.

Procedures Included

Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection/replacement.

Troubleshooting:

Systematic diagnostic procedures for common driveability issues, electrical faults, and mechanical problems.

Repair:

Detailed step-by-step instructions for component removal, repair, and reinstallation across all major vehicle systems.

Diagnostics:

On-board diagnostics (OBD-I), scan tool connector location, diagnostic trouble codes (DTCs) for engine and transmission.

Technical Depth

Depth:

Covers basic maintenance to complete engine and transmission overhauls, including internal component repairs.

Diagnostics Level:

Advanced diagnostics including electrical circuit tracing, sensor testing, and actuator testing.

Specifications Detail:

Includes torque specifications, clearances, fluid capacities, and electrical component resistance values.

📊 Manual Specifications

File Format

File Format:

N/A (Printed)

Print Quality

Print Quality:

Professional factory print quality, clear diagrams and text.

Binding Type

Binding Type:

Often perfect bound or spiral bound for lay-flat usability.

Paper Type

Paper Type:

Durable, high-quality paper suitable for workshop environments.

⚙️ Engine Specifications

Primary Engine

Engine 1 Displacement:

2.5L (2507cc)

Engine 1 Type:

Turbocharged Inline-4 (Turbo III engine)

Engine 1 Bore X Stroke:

3.88 in x 3.37 in (98.5 mm x 85.5 mm)

Engine 1 Compression Ratio:

8.0:1

Engine 1 Horsepower:

174 hp @ 5200 rpm

Engine 1 Torque:

200 lb-ft @ 2800 rpm

Secondary Engine

Engine 2 Displacement:

3.0L (2972cc)

Engine 2 Type:

Naturally Aspirated V6 (Mitsubishi 6G72)

Engine 2 Bore X Stroke:

3.50 in x 3.17 in (89 mm x 80 mm)

Engine 2 Compression Ratio:

8.1:1

Engine 2 Horsepower:

141 hp @ 5000 rpm

Engine 2 Torque:

168 lb-ft @ 3000 rpm

Performance

0-60 Mph Turbo:

Approx. 7.5 - 8.0 seconds

0-60 Mph V6:

Approx. 9.5 - 10.5 seconds

Fuel System

Fuel Delivery Turbo:

Multi-Point Fuel Injection (MPI) with Garrett T2 turbocharger

Fuel Delivery V6:

Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded premium gasoline (91+ octane recommended for 2.5L Turbo)

🔧 Transmission

Standard

Transmission Standard:

5-speed Manual Transmission (Getrag G360)

Optional

Transmission Optional:

3-speed Automatic Transmission (Chrysler A604 - FWD Transaxle)

Features

Automatic Features:

Electronically controlled, adaptive shifting (for A604).

Fluid Specifications

Manual Transmission Fluid:

API GL-5, SAE 75W-90 synthetic gear oil recommended.

Automatic Transmission Fluid:

Chrysler ATF+2 (or equivalent approved fluid)

📐 Dimensions

Exterior

Length:

170.3 inches (4325 mm)

Width:

67.4 inches (1712 mm)

Height:

50.6 inches (1285 mm)

Wheelbase:

96.1 inches (2441 mm)

Front Track:

56.3 inches (1430 mm)

Rear Track:

56.1 inches (1425 mm)

Weights

Curb Weight Turbo Manual:

Approx. 3050 lbs (1383 kg)

Curb Weight V6 Auto:

Approx. 3080 lbs (1397 kg)

Gross Vehicle Weight Rating:

Approx. 4000 lbs (1814 kg)

Cargo

Cargo Volume:

Approx. 13.0 cubic feet

🛡️ Safety Features

Ratings

NHTSA Driver Side Impact Rating:

Not extensively rated by NHTSA in modern standards. Historical frontal crash test data available, generally fair to good for the era.

Active Features

Optional Anti-lock Braking System (ABS) available on some models.

Traction Control:

Not typically available in 1993 models.

Passive Features

Airbags:

Driver-side airbag standard, passenger-side airbag optional.

Seatbelts:

Three-point front seat belts, two-point rear seat belts.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM stereo with cassette player, optional CD player. Speaker configurations varied by trim.

Driver Assistance

Cruise Control:

Standard or optional, depending on trim level.

Instrument Cluster:

Digital or analog instrument cluster with tachometer, speedometer, fuel level, and engine temp gauges. Some models featured a 'performance' cluster with boost gauge for the turbo.

Connectivity

OBD Port:

OBD-I diagnostic connector, typically located under the dashboard or in the engine bay. Requires specific diagnostic tools for this era.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,000 - 5,000 miles or 3-6 months (depending on driving conditions).

Transmission Fluid Change Auto:

Every 30,000 miles or 24 months.

Transmission Fluid Change Manual:

Every 50,000 miles or 48 months.

Coolant Flush:

Every 30,000 miles or 36 months.

Spark Plug Replacement:

Approx. 30,000 miles for standard plugs; consult manual for Turbo III specifics.

Fluid Specifications

Engine Oil Specification:

API SG, SAE 5W-30 or 10W-30 (check owner's manual for exact recommendation).

Engine Oil Capacity:

Approx. 4.5 quarts (4.3L) with filter for 2.5L Turbo; approx. 4.0 quarts (3.8L) for 3.0L V6.

Coolant Type:

Ethylene glycol-based antifreeze, typically Mopar OAT or HOAT (50/50 mix with distilled water).

Known Issues

Turbo Reliability:

The 2.5L Turbo engine can experience issues with oil sludge buildup if maintenance is neglected, leading to turbocharger damage. Proper warm-up and cool-down procedures are critical.

Transaxle Reliability Auto:

The A604 transaxle, while advanced for its time, can be prone to electronic control unit (ECU) failures and solenoid issues if not maintained with correct fluid and filter changes.

Electrical Gremlins:

Older Mopar vehicles can develop electrical gremlins due to aging wiring harnesses, corroded grounds, and failing relays.

Suspension Wear:

Bushing wear in control arms and suspension mounts is common due to age and mileage.

Brake Component Wear:

Regular brake pad and rotor wear, and potential caliper seal issues.

📚 Vehicle History

Brand Heritage

Dodge Heritage:

Dodge, a division of Chrysler Corporation, has a long history of producing performance-oriented vehicles, often leveraging unique engineering and styling.

Model Evolution

Daytona Lineage:

The Daytona was originally introduced in 1984 as a sporty coupe based on the Chrysler L-body platform. The IROC (International Race of Champions) designation was applied to performance variants, culminating in the more powerful and stylish 1992-1993 models.

Production

Production Years:

The Dodge Daytona was produced from 1984 to 1993. The IROC trim was primarily associated with the latter years of production.

Manufacturing Location:

Sterling Heights, Michigan, USA.

🏆 Awards & Recognition

Recognitions

I Roc Heritage:

The IROC name itself is associated with motorsport prestige, having been used by Dodge in the International Race of Champions series, lending a sporty image to the Daytona.