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 MANUALSMAZDA20103 L4-2.5LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULFS5A-EL AUTOMATIC TRANSAXLE SERVICEPRIMARY CONTROL VALVE BODY DISASSEMBLY/ASSEMBLYUPPER CONTROL VALVE BODY DISASSEMBLY/ASSEMBLYASSEMBLY PROCEDURE
2010 Mazda 3 L4-2.5L
Assembly Procedure
2010 Mazda 3 L4-2.5LSECTION Assembly Procedure
Assembly procedure
1. Measure the spring free length.
Primary control valve body spring (standard)
^ If not as specified, replace the springs.
2. Install the solenoid reducing valve, solenoid reducing valve spring and retainer.
3. Install the low and reverse shift valve, low and reverse shift valve spring and retainer.
4. Install the manual valve.
1. Measure the spring free length.
Primary control valve body spring (standard)
^ If not as specified, replace the springs.
2. Install the solenoid reducing valve, solenoid reducing valve spring and retainer.
3. Install the low and reverse shift valve, low and reverse shift valve spring and retainer.
4. Install the manual valve.
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.