Also Known As: Honda Legend
Format: PDF | Instant Download | Includes Wiring Diagrams

Get instant access to the official factory workshop service and repair manual for the 2009–2010 Acura RL (Honda Legend) ↗. This OEM manual is the exact same document used by authorized Honda and Acura dealership technicians. Whether you’re performing routine maintenance or tackling complex repairs, this comprehensive PDF has you covered.

🔧 What’s Included:

• ✅ Full Service & Repair Procedures
• ✅ Detailed Electrical Wiring Diagrams
• ✅ Engine, Transmission, Suspension, Brakes, HVAC & More
• ✅ Diagnostic Trouble Codes (DTCs)
• ✅ Step-by-Step Instructions with Diagrams
• ✅ Fully Indexed & Searchable PDF Format

⚙️ Vehicle Compatibility:

• Make: Acura
• Model: RL
• Years: 2009, 2010
• Global Name: Honda Legend

💡 Why Choose This Manual?

✔ Official OEM Quality — No aftermarket shortcuts
✔ Technicians’ Choice — Used by dealer-level professionals
✔ DIY Friendly — Straightforward procedures for home mechanics
✔ One-Time Purchase — No subscription, no expiry

📦 Delivery: Instant digital PDF download after checkout
🖥️ Platform: Works on Windows, macOS, iOS, Android

Table of Contents : 2009-2010 Acura RL Repair Manual

• General
• Maintenance
• Specifications
• Driving Support
• HVAC
• Audio, Navigation
• Body
• Body Electrical
• Brakes
• Engine Cooling
• Engine Electrical
• Engine Mechanical
• Fuel and Emissions
• Restraints
• Steering
• Suspension
• Transaxle
• Owner’s Manual

SAMPLE PAGES

🚘 2009–2010 Acura RL – Full Review, Specs, Issues with Root Cause & Fixes, Recalls & DTC Codes

⚙️ Technical Specifications & Performance

• Engine: 3.7L SOHC VTEC V6
• Transmission: 5-speed automatic with Sequential SportShift
• Drivetrain: Super Handling All-Wheel Drive (SH-AWD)
• Horsepower: 300 hp @ 6,500 rpm
• Torque: 270 lb-ft @ 4,500 rpm
• Fuel Economy: ~17 MPG city / 24 MPG highway
• 0–60 mph: ~6.1 seconds
• Brakes: 4-wheel ventilated discs with ABS/EBD
• Steering: Electric Power Steering (EPS)

🔧 Top 10 Common Mechanical Issues (with Root Causes & Fixes)

1. Transmission Judder / Shudder
   Root Cause: Torque converter lock-up clutch calibration issues leading to judder at low speeds.
   Fix: Update transmission/PCM software; if persists, replace torque converter assembly. :contentReference[oaicite:1]{index=1}
2. Premature Brake Wear
   Root Cause: Heavy SH-AWD system weight increases brake load.
   Fix: Upgrade to high-performance pads/rotors and inspect calipers regularly.
3. Steering Shaft/Universal Joint Play
   Root Cause: Wear in intermediate steering shaft joints.
   Fix: Replace worn U-joints or shaft sub-assembly.
4. Oil Leaks (Rear Main Seal)
   Root Cause: Age-related seal degradation.
   Fix: Replace rear main seal and inspect crankcase breather hoses.
5. Wheel Bearing/Hub Noise
   Root Cause: Bearing wear or contamination.
   Fix: Replace wheel bearing/hub assembly.
6. Water Pump Leak
   Root Cause: Age and coolant corrosion.
   Fix: Replace water pump and use proper Honda-approved coolant.
7. Exhaust Manifold Heat Shield Rattle
   Root Cause: Heat shield bolts loosen over time.
   Fix: Tighten or replace heat shield and fasteners.
8. Suspension Bushing Wear
   Root Cause: High mileage suspension loads.
   Fix: Replace worn bushings/control arms.
9. Rear Differential Noise
   Root Cause: SH-AWD rear diff wear or low fluid.
   Fix: Change fluid at intervals; inspect/replace differential gears as needed.
10. Engine Mount Wear
    Root Cause: Vibration isolation mounts deteriorate over time.
    Fix: Replace engine mount assemblies.

⚡ Top 10 Common Electrical Issues (with Root Causes & Fixes)

1. Navigation Screen Freeze/Reset
   Root Cause: Old navigation unit firmware and heat exposure.
   Fix: Update navigation firmware; replace display head unit if persistent.
2. Backup Camera Intermittent
   Root Cause: Corroded camera connector or cable harness wear.
   Fix: Clean/repair connectors; replace camera module if needed.
3. Malfunction Indicator Light (MIL) False Codes
   Root Cause: Faulty oxygen sensors or EVAP sensor intermittence.
   Fix: Diagnostic-scan and replace affected sensor.
4. Bluetooth/Audio Sync Issues
   Root Cause: Aging infotainment architecture.
   Fix: Update Bluetooth module software; consider aftermarket infotainment upgrade if necessary.
5. Electric Power Steering (EPS) Noise
   Root Cause: Worn EPS motor gears/brackets.
   Fix: Replace EPS motor assembly or mount bushings.
6. Interior Lighting Failures
   Root Cause: Loose connectors or burnt LEDs.
   Fix: Check and reseat connectors; replace bulbs/LED modules.
7. Climate Control Display Glitches
   Root Cause: Faulty HVAC control unit.
   Fix: Replace HVAC control head/module.
8. Door Lock Actuator Failure
   Root Cause: Mechanical wear or water intrusion.
   Fix: Replace door lock actuator assemblies.
9. Battery Drain (Parasitic Load)
   Root Cause: Aftermarket accessories or BCM glitches.
   Fix: Isolate parasitic source; update BCM software; replace faulty modules.
10. ABS Sensor Circuit Alerts
    Root Cause: Wheel speed sensor contamination or wiring abrasion.
    Fix: Clean/replace sensors; repair wiring harness runs.

🚗 Top Competitors

• Lexus GS ↗
• BMW 5 Series ↗
• Mercedes-Benz E-Class ↗
• Audi A6 ↗
• Infiniti M/Q70 ↗

📊 Pros and Cons

🛠️ Maintenance Schedule

📢 Recalls & Safety Alerts

• • Airbag Inflator Recall (Takata): Dual-stage driver frontal inflators may absorb moisture and rupture in a crash; dealers replace free.
  • Airbag Replacement Campaign: Expanded remedy for passenger frontal airbag inflators (2016-2019 notices).
  • Steering Power Assist Hose Deterioration: High under-hood temperatures could deteriorate power steering hose causing leaks (older RL campaigns).
  • Brake Fluid Seal Recall: Certain brake fluid materials may dry and compromise master cylinder seal (historical Acura RL campaigns).
  • Fuel Pump Relay Recall: Coil wire could break preventing engine start.

🧾 Technical Service Bulletins (TSBs)

• TSB SB-12-029 – Transmission Judder: Software update for torque converter lock-up clutch judgment; extended warranty applies.
• TSB B23040A – Navigation Clock & Date Error: GPS chip rollover issue corrected via software.
• TSB B21120A – GPS Clock Rollover Fix: Corrects incorrect clock display due to memory rollover.
• TSB BTS180401 – Immobilizer Communication: Workaround when immobilizer setup tool cannot communicate.
• Starter/Alternator Service Bulletin: Diagnostic update for alternator/starter testing procedure.

🧾 DTC Trouble Code Lists

🚗 Engine Control Module (ECM)

⚙️ Transmission Control Module (TCM)

🛑 ABS / ESC System

🎈 SRS Airbag System

🧠 Body Control / CAN Communication

🔧 Your Ultimate Guide for Acura RL Repairs & Maintenance!

Get the official OEM workshop service and repair manual for the 2005-2008 Acura RL (KB1), complete with detailed wiring diagrams in an easy-to-use PDF format. This is the same manual used by Acura and Honda dealership technicians, ensuring accurate, dealer-level repairs and electrical diagnostics for your vehicle.

Key Features:

✅ Complete Wiring Diagrams – Includes full electrical schematics and component layouts.
✅ Dealer-Authorized Repair Procedures – Trusted factory-approved service instructions.
✅ Step-by-Step Repair Guides – From basic maintenance to advanced repairs.
✅ Easy-to-Use PDF Format – Accessible on any device, print only what you need.

🛠 Why Choose This Manual?
Whether you’re a DIY enthusiast or a professional mechanic, this factory-approved Acura RL manual ensures you have the most reliable and detailed service information for every repair.

📥 Download Now & Take Full Control of Your Repairs!

Don’t rely on generic guides—get the official Acura RL workshop manual today and repair your vehicle with confidence!

🔗 Instant PDF Download – Available Now!

Table of Contents : 2005-2008 Acura RL Repair Manual

• ADVANCED DIAGNOSTICS.
• AIRBAGS.
• AUDIO SYSTEM.
• AUTO TRANSMISSION.
• BASIC TROUBLESHOOTING.
• BODY ELECTRICAL.
• BRAKE SYSTEM.
• BUMPERS.
• CABIN AIR FILTER.
• CHARGING SYSTEM.
• CMBS.
• COOLING SYSTEM.
• CRUISE CONTROL.
• CYLINDER HEAD.
• DEFOGGER.
• DRIVELINE AXLE.
• ELECTRONIC THROTTLE CONTROL.
• ENGINE BLOCK.
• ENGINE LUBE.
• ENGINE MOUNT.
• EVAP SYSTEM.
• EXTERIOR TRIM.
• FRAME.
• FRONT SUSPENSION.
• FUEL AND EMISSIONS SYSTEMS.
• FUEL SUPPLY SYSTEM.
• FUSE-RELAY BOXES.
• GAUGES.
• GLASS.
• HONDA.
• HOOD.
• HORNS.
• HVAC.
• IGNITION SWITCH.
• IGNITION SYSTEM.
• INSIDE MIRROR.
• INTAKE AIR.
• INTAKE EXHAUST.
• INTERIOR LIGHTS.
• INTERIOR TRIM.
• KEYLESS ENTRY.
• MAINTENANCE LIGHT RESET.
• MAINTENANCE.
• MOONROOF.
• NAVIGATION SYSTEM.
• PCV SYSTEM.
• PGM-FI SYSTEM.
• POWER DISTRIBUTION.
• POWER MIRRORS.
• POWER MOONROOF.
• POWER SEATS.
• POWER WINDOWS.
• RADIATOR FAN CONTROL.
• REAR DIFFERENTIAL.
• REAR SUSPENSION.
• RELAYS.
• SEAT HEATERS.
• SEATS.
• STARTING SYSTEM.
• STEERING.
• TIRE PRESSURE MONITOR.
• UNDER HOOD FUSE BOX.
• VTEC.
• WIPER WASHER.
• WIRING DIAGRAM
• 2005-2006 ELECTRICAL COMPONENT LOCATIONS.
• 2006 HONDA (ACURA) OWNERS MANUAL (RUSSIAN).
• 2007 ELECTRICAL COMPONENT LOCATIONS.
• 2008 NAVIGATION MANUAL.
• 2008 OWNERS MANUAL.
• 2005 OWNERS MANUAL.
• Acura-honda-automotive-transmission-troubleshooter-and-reference.

SAMPLE PAGES

🛠️Common Issues with the 2005-2008 Acura RL (KB1)

The 2005-2008 Acura RL (KB1) is a full-size luxury sedan that blends sophisticated styling with strong performance and a reputation for reliability. As Acura’s flagship model during this period, the RL offers a smooth ride, a powerful V6 engine, and a host of premium features. However, like many luxury vehicles, it has its share of common issues and maintenance concerns that potential buyers should consider.

1- Transmission Concerns:

1. • Issue: Some owners have reported occasional rough shifting or delayed engagement in the automatic transmission.
   • Symptoms: Jerky gear changes, hesitation during acceleration, and intermittent “limp mode” conditions.
   • Solution: Regular transmission fluid changes and ensuring software updates are applied can help mitigate these issues. In more severe cases, a valve body replacement or transmission recalibration might be necessary.

2- Interior and Trim Wear:

1. • Issue: Over time, certain interior materials (especially on the dashboard and door panels) may show signs of premature wear or cracking.
   • Symptoms: Cracked or faded trim, sticky surfaces in hot climates, and rattles from loose panels.
   • Solution: Use sunshades and interior protectants, and consider aftermarket trim replacements if cosmetic issues become distracting.

3- Infotainment and Navigation Glitches:

1. • Issue: Some models have experienced occasional glitches with the navigation system and infotainment controls.
   • Symptoms: Unresponsive screens, difficulty updating maps, and occasional system resets.
   • Solution: Check for available software updates at a dealership; in some cases, a system reset can resolve minor issues.

4- Cooling System & Water Pump:

1. • Issue: The water pump and associated cooling components may develop leaks over time.
   • Symptoms: Coolant puddles under the vehicle, fluctuating temperature readings, and potential engine overheating.
   • Solution: Regularly inspect the cooling system, flush the coolant at recommended intervals, and replace the water pump if signs of leakage are observed.

5- Brake Wear and Noise:

1. • Issue: Some drivers report that the brake pads can wear sooner than expected and may produce squeaking or grinding noises.
   • Symptoms: Noises during braking, softer brake pedal feel.
   • Solution: Use high-quality aftermarket brake pads and ensure regular inspections; replacing rotors when necessary can also improve braking performance.

6- HVAC System Performance:

1. • Issue: There have been occasional reports of the HVAC system underperforming, particularly in extreme temperatures.
   • Symptoms: Inconsistent climate control, weak airflow from vents.
   • Solution: Regularly inspect and maintain the HVAC system, including checking refrigerant levels and replacing cabin air filters as needed.

⚡ Performance Specs

🛠️ Maintenance Schedule

Adhering to a regular maintenance schedule is key to keeping the Acura RL running reliably over the long term. Below is a general guideline:

✅ Pros & ❌ Cons of the 2005-2008 Acura RL (KB1)

Pros:

• • Strong Reliability: Acura’s build quality and the robust 3.5L V6 are well-regarded.
  • Smooth and Comfortable Ride: Excellent suspension tuning and quiet cabin make it ideal for long drives.
  • Luxurious Interior: High-quality materials, comfortable seating, and premium features contribute to a refined experience.
  • Resale Value: The Acura RL tends to hold its value well over time.
  • Strong Performance: The V6 engine delivers a good balance of power and efficiency.

Cons:

• • Transmission Issues: Occasional rough shifting and delayed response in the automatic transmission.
  • Interior Wear: Some reports of premature wear on interior trim and dashboard materials.
  • Infotainment Glitches: The navigation and infotainment system may experience occasional reliability issues.
  • Cooling System Concerns: Potential leaks from the water pump or other cooling components can lead to overheating if not maintained.
  • Brake Wear: Some owners have noted faster-than-expected brake pad wear and noise.

🏆 Competitors to the 2005-2008 Acura RL (KB1)

📌 Final Verdict

The 2005-2008 Acura RL (KB1) is an excellent choice for buyers seeking a luxurious, reliable, and performance-oriented sedan with strong resale value. However, prospective owners should be aware of potential transmission and cooling system issues and ensure they follow a strict maintenance schedule to avoid costly repairs.

Best For:

• Those who prioritize a comfortable and refined driving experience.
• Buyers who value reliability and strong resale.
• Enthusiasts looking for a luxury sedan with engaging performance.

Not Ideal For:

• Drivers seeking a sporty handling experience similar to a BMW 3 Series.
• Those unwilling to commit to regular maintenance for long-term reliability.

👉 Verdict: The 2005-2008 Acura RL (KB1) remains a solid luxury sedan choice, offering comfort and reliability when properly maintained. If you’re in the market for a refined, dependable ride, this Acura RL is worth considering.