Acura RSX Manual Transmission Oil Change

The Acura RSX manual transmission requires regular fluid changes to maintain optimal performance and longevity. This guide covers the complete procedure for draining and refilling manual transmission fluid, including recommended fluid types, tools needed, safety precautions, and step-by-step instructions for proper maintenance of your RSX's transmission system.

1. Tools and Materials Required 2. Safety Precautions 3. Preparation Steps 4. Drain and Refill Procedure 5. Recommended Fluids 6. Transmission Specifications 7. Common Issues and Solutions 8. Maintenance Schedule 9. Professional Service Options 10. Warranty Information

Tools and Materials Required

Essential tools and materials needed for a successful transmission fluid change.

Item	Description
Transmission Fluid	Honda MTF or equivalent manual transmission fluid
Drain Pan	2-3 quart capacity for catching old fluid
Socket Set	3/8" drive with 17mm and 3/8" sockets
Fluid Pump	Hand pump or transmission fluid pump
Jack and Jack Stands	For safe vehicle lifting and support
Wheel Chocks	For securing vehicle position
Funnel	For clean fluid transfer
Gloves and Safety Glasses	Personal protective equipment
Shop Towels	For cleaning and spill containment

Safety Precautions

Important safety measures to follow during the transmission fluid change process.

Park on level surface and engage parking brake securely.
Use wheel chocks on both sides of rear wheels.
Allow transmission to cool completely before starting.
Wear protective gloves and safety glasses throughout procedure.
Use jack stands - never work under vehicle supported only by jack.

WARNING! Transmission fluid can be extremely hot after driving. Allow adequate cooling time to prevent burns.

Preparation Steps

Proper preparation ensures a smooth and efficient transmission service.

Gather all required tools and materials before starting.
Position vehicle on level ground with parking brake engaged.
Lift front of vehicle using jack and secure with jack stands.
Remove any underbody panels that may obstruct access to transmission.
Place drain pan beneath transmission drain plug area.

CAUTION! Ensure vehicle is securely supported before crawling underneath.

Drain and Refill Procedure

Fluid Capacity: 1.9 quarts (1.8 liters)
Drain Plug: 17mm bolt on transmission bottom
Fill Plug: 3/8" square drive on transmission side
Fluid Type: Honda Manual Transmission Fluid (MTF)
Service Interval: Every 30,000 miles or 2 years
Torque Specifications: Drain plug: 33 lb-ft, Fill plug: 33 lb-ft

Recommended Fluids

Proper fluid selection is critical for transmission longevity and performance.

Primary Recommendation: Genuine Honda MTF

Alternative Options: GM Synchromesh, Red Line MTL, Amsoil Manual Transmission Fluid

Transmission: 5-speed manual with helical gears. Fluid Properties: High lubricity, proper viscosity for synchro operation, thermal stability. Compatibility: Must meet Honda MTF specifications for proper shifting performance and component protection.

Transmission Specifications

Detailed technical specifications for the RSX manual transmission system.

Turn off engine and ensure transmission is in neutral.
Locate drain plug on bottom of transmission case.
Place drain pan directly under drain plug.
Remove drain plug using 17mm socket and allow fluid to drain completely.
Clean drain plug and reinstall with new washer if available.
Locate fill plug on side of transmission case.
Remove fill plug using 3/8" drive ratchet.
Pump new fluid into transmission until it begins to overflow from fill hole.
Reinstall fill plug and tighten to specification.
Check for leaks and clean any spilled fluid.

Tip: Fill until fluid just begins to drip from fill hole - this indicates proper level.

Common Issues and Solutions

Troubleshooting common problems encountered during transmission fluid service.

Symptom	Possible Cause	Corrective Action
Difficult shifting	Old/wrong fluid	Replace with proper Honda MTF; check linkage adjustment.
Transmission noise	Low fluid level	Verify proper fill level; check for leaks at seals.
Fluid leaks	Worn seals/plugs	Replace drain plug washer; inspect axle and selector seals.
Grating sounds	Worn synchros	Use specialty fluids; consider transmission rebuild if severe.
Stuck plugs	Corrosion/over-torque	Use penetrating oil; proper socket fit; avoid rounding.

Reset: No reset required for transmission fluid change.

Maintenance Schedule

Regular maintenance intervals for optimal transmission performance.

Standard Service: Every 30,000 miles or 2 years. Severe Service: Every 15,000 miles (racing, towing, extreme conditions). Inspection: Check fluid level every oil change; look for leaks and contamination.

Professional Service Options

When to seek professional transmission service assistance.

CAUTION! Complex transmission issues should be addressed by qualified technicians with proper equipment and training.

Warranty Information

Acura RSX transmission warranty coverage and limitations. Basic Warranty: 4 years/50,000 miles. Powertrain: 6 years/70,000 miles. Service Requirements: Maintain proper fluid levels and change intervals to preserve warranty coverage. Documentation: Keep receipts for all maintenance services performed.