2011 Acura TL Repair Manual

The 2011 Acura TL Repair Manual provides comprehensive technical information for servicing and maintaining the 2011 Acura TL luxury sports sedan. This manual covers engine systems (3.5L V6 and 3.7L V6), transmission (5-speed automatic and 6-speed manual), suspension, brakes, electrical systems, body components, and diagnostic procedures. Below are key sections for maintenance, repair procedures, specifications, and troubleshooting.

1. Vehicle Specifications 2. Maintenance Schedule 3. Engine Systems 4. Transmission 5. Brake System 6. Suspension & Steering 7. Electrical Systems 8. Body & Interior 9. Diagnostic Procedures 10. Safety Precautions 11. Troubleshooting

Vehicle Specifications

Key technical specifications for the 2011 Acura TL models.

Specification	Description
Engine Options	3.5L V6 (280 hp) / 3.7L V6 (305 hp)
Transmission	5-speed automatic / 6-speed manual
Drivetrain	Front-wheel drive / SH-AWD
Brake System	4-wheel disc brakes with ABS
Suspension	Front: Double wishbone / Rear: Multi-link
Fuel Capacity	18.5 gallons
Oil Capacity	4.5 quarts (with filter)
Coolant Capacity	7.4 quarts
Tire Size	P245/50R17 / P245/40R18
Curb Weight	3,726 - 3,968 lbs

Maintenance Schedule

Recommended maintenance intervals for optimal vehicle performance.

Oil and filter change: Every 7,500 miles or 12 months
Tire rotation: Every 7,500 miles
Brake fluid replacement: Every 3 years
Engine air filter: Every 30,000 miles
Transmission fluid: Every 30,000 miles (automatic)
Coolant replacement: Every 60,000 miles or 5 years
Spark plugs: Every 105,000 miles

WARNING! Always use Acura-approved fluids and parts. Follow specified torque values.

Engine Systems

Detailed procedures for engine maintenance and repair.

Engine oil change: Drain plug torque 29 lb-ft
Spark plug replacement: Gap 0.039-0.043 inches
Timing belt: Replace every 105,000 miles
Cooling system: Pressure test at 15-18 psi
Fuel system: Fuel pressure 50-60 psi
Ignition system: Coil resistance 0.45-0.55 ohms

CAUTION! Disconnect battery before electrical work. Allow engine to cool before servicing.

Transmission

Automatic Transmission: A/TF fluid capacity 3.1 quarts
Manual Transmission: MTF capacity 2.2 quarts
Shift Points: 1-2: 15 mph, 2-3: 25 mph, 3-4: 40 mph
Fluid Type: Honda/Acura ATF-Z1 or equivalent
Transmission Mounts: Inspect for wear every 30,000 miles
Clutch System: Pedal free play 0.4-0.8 inches
Differential Fluid: Replace every 30,000 miles (SH-AWD)

Brake System

Brake system maintenance and repair procedures.

Front Brakes: Rotor thickness 1.02 inch minimum, Pad thickness 0.12 inch minimum

Rear Brakes: Rotor thickness 0.39 inch minimum, Pad thickness 0.12 inch minimum

Brake Fluid: DOT 3 or DOT 4, Bleed sequence: RR, LR, RF, LF. Caliper slide pin torque: 25 lb-ft. Brake line flare nut torque: 11 lb-ft. ABS system: Scan tool required for diagnostics.

Suspension & Steering

Front and rear suspension components and steering system.

Strut replacement: Upper mount nut torque 36 lb-ft
Ball joint inspection: Check for play every 15,000 miles
Tie rod ends: Inner torque 40 lb-ft, Outer 36 lb-ft
Wheel alignment: Toe: 0° ± 0.08°, Camber: -0.5° ± 0.5°
Power steering: Fluid type ATF-Z1, Pressure 1420-1560 psi

Tip: Always perform wheel alignment after suspension work.

Electrical Systems

Battery, charging, starting, and accessory systems.

Battery: 12V 60Ah, CCA 410A, Terminal torque 10 lb-ft
Alternator: Output 130A, Regulated voltage 13.5-15.1V
Starter: Draw current 90A max, Pinion gap 0.02-0.08 inch
Fuse box: Engine bay and interior locations
Lighting: Headlight adjustment vertical ±2°, horizontal ±3°
ECU: Located under dashboard, requires professional scan tool
CAN bus system: Network communication 500 kbps

WARNING! Disconnect battery before electrical repairs. Use circuit testers.

Body & Interior

Body panel alignment, interior components, and trim.

Door adjustment: Hinge bolt torque 16 lb-ft. Window regulator: Motor current 5-7A. Seat belt pretensioner: Do not probe connectors. Airbag system: Disable before service (wait 3 minutes after battery disconnect).

Diagnostic Procedures

Using diagnostic tools and interpreting trouble codes.

OBD-II connector: Under dashboard left side. Common codes: P0300 (random misfire), P0420 (catalyst efficiency), U0155 (lost communication with instrument cluster). Freeze frame data: Record before clearing codes.

Safety Precautions

Always use jack stands; never work under vehicle supported only by jack. Wear safety glasses. Keep work area clean and organized. Use proper tools for each task.

CAUTION! Fuel system is under pressure - relieve pressure before service. Battery gases are explosive - no sparks or flames.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Battery/ignition/fuel	Check battery voltage; test spark; verify fuel pressure.
Rough idle	Vacuum leaks/plugs	Inspect vacuum hoses; check spark plugs; clean throttle body.
Brake vibration	Rotor warpage	Resurface or replace rotors; check caliper operation.
Transmission slippage	Fluid level/wear	Check fluid level and condition; scan for codes.
Electrical issues	Grounds/battery	Check ground connections; test battery and charging system.

Reset: Disconnect battery for 10 minutes to reset ECU.

Service: Acura dealership or certified technician recommended for complex repairs.