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.

2001 Kia Rio AutomaticFACTORY OEM SERVICE PROCEDURE

Main Control Valve Body: Reassembly

Insert 3-4 shift spring, 3-4 shift valve, and stop plug. Secure them with stop pin.

Fig 1: Installing 1-2 Shift Valve, 3-4 Shift Valve & Low Reducing Valve
Insert low reducing spring, low reducing valve, an stop plug. Secure them with stop pin.
Insert 1-2 shift spring, 1-2 shift valve, and stop plug. Secure them with stop pin.
Insert pressure regulator valve, pressure regulator spring, pressure regulator spring seat, regulator plug sleeve, pressure regulator plug, and stop plug. Secure them with roll pin.

Fig 2: Installing Pressure Regulator Valve
Insert 2-3 timing valve and 2-3 timing spring. Secure them with spring retainer.

Fig 3: Installing 2-3 Timing Valve & Manual Valve
Proceed to insert manual valve.

Factory Service Tools

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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.