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.
1989 Subaru RX AutomaticFACTORY OEM SERVICE PROCEDURE
Justy & MPFI
- Warm engine to operating temperature. With transmission in Neutral, open throttle until dashpot is fully extended.
- Allow throttle to slowly close. Ensure dashpot end contacts throttle lever between 2200-2400 RPM on Justy or 2800-3400 RPM on MPFI engines. If not, loosen locknut and adjust dashpot.
Factory Service Tools
Use the Manual With the Right Hardware
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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.