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.
Solenoid Valves
1993 Mazda MX-3 V6-1844cc 1.8L DOHCSECTION Solenoid Valves
Inspection
1. Disconnect the negative battery cable.
2. Remove the resonance duct and the air cleaner assembly.
3. Disconnect the solenoid connector.
4. Measure resistance between each terminal (A, B, C, D) and a ground.
Resistance: 13 - 27 Ohm
5. If not as specified, replace the solenoid valve. (Refer to below.)
6. Connect the solenoid connector.
7. Install the air cleaner assembly and the resonance duct.
8. Connect the negative battery cable.
Replacement
1. Disconnect the solenoid connector.
2. Remove the control valve body.
3. Remove the solenoid valve.
4. Apply ATF to a new O-ring and install it, the new solenoid valve, and the oil strainer assembly.
Tightening torque: 7.8 - 11 N.m (80 - 110 kg.cm, 68 - 95 in.lb)
5. Install the control valve body.
CAUTION: Lightly apply silicone sealant to both sides of the oil pan gasket.
6. Install the new gasket and install the oil pan.
Tightening torque: 8.3 - 11 N.m (85 - 110 kg.cm, 74 - 95 in.lb)
7. Connect the solenoid connector.
8. Pour in ATF, and with the engine idling, check the ATF level and check for leaks. Automatic Transaxle Fluid (ATF)
9. Drive the vehicle and check the shift points, shift schedule, and shift shock. Road Test
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.