Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSACURA20043.5RLREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESPECIFICATIONSENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONSQUICK-SERVICESERVICE INTERVALS & SPECIFICATIONSREPLACEMENT INTERVALS

2004 Acura 3.5RL

Replacement Intervals

2004 Acura 3.5RLSECTION Replacement Intervals

REPLACEMENT INTERVALS

Component

⁽¹⁾ Miles

Air Filter

30,000

Automatic Transmission Fluid

3.2CL, 3.2TL & 3.5RL

⁽²⁾

MDX

⁽⁴⁾

RSX

⁽³⁾

Brake Fluid

3 Years

Camshaft Timing Belt

⁽⁵⁾⁽⁶⁾ 105,000

Coolant

⁽²⁾

Differential

3.5RL

⁽⁷⁾

MDX

⁽⁸⁾ 30,000

Engine Oil

⁽⁹⁾ 7500

Engine Oil Filter

15,000

Fuel Filter

⁽¹⁰⁾

Manual Transmission Oil

120,000

Spark Plugs

⁽¹¹⁾ 105,000

Valve Clearance

MDX, 3.2CL & 3.2TL

⁽¹²⁾ 105,000

RSX

⁽¹²⁾ 110,000

3.5RL

⁽¹³⁾

⁽¹⁾	For severe service divide mileage intervals in half.

⁽²⁾	First service at 120,000 miles. Service every 90,000 miles thereafter.

⁽³⁾	First service at 75,000 miles. Service every 30,000 miles thereafter.

⁽⁴⁾	First service at 45,000 miles. Service every 30,000 miles thereafter.

⁽⁵⁾	Inspect water pump and replace as necessary.

⁽⁶⁾	If regularly driven in very hot or cold weather, over 110°F (43°C) or under -20°F (-29°C), replace belt every 60,000 miles.

⁽⁷⁾	First service at 60,000 miles. Service every 30,000 miles thereafter.

⁽⁸⁾	On MDX, first service at 15,000 miles. Service every 30,000 miles thereafter.

⁽⁹⁾	On RSX, every 10,000 miles.

⁽¹⁰⁾	Replaced when fuel pressure drops to less than specification. See REGULATED FUEL PRESSURE table under FUEL SYSTEM.

⁽¹¹⁾	On RSX, replace every 110,000 miles.

⁽¹²⁾	Adjust valves only if noisy.

⁽¹³⁾	Equipped with hydraulic lifters. No adjustment required.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.