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.
Leakage Inspection: Notes
| 100W/12 Volt DC UV Lamp 164-R0751 or equivalent |
| Item | Specification |
|---|---|
| FNR5 Automatic Transmission Fluid XT-9-QMM5 | Mazda MES MN 117C (ATF-M V) |
| Automatic Transmission/Power Steering Dye 164-R3701 or equivalent | - |
Check the fluid filler tube at the transaxle case. If leakage is found here, install a new plug.
Check fluid tubes and fittings between the transaxle and the cooler for looseness, wear or damage. If leakage cannot be stopped by tightening a fluid tube nut, install new parts.
If the leak continues, install a new cooler line fitting and tighten to specification. The same procedure should be followed for fluid leaks between the cooler and the cooler line fittings in this article. Refer to TRANSAXLE/TRANSMISSION COOLING .
The cooler can be further checked for leaks. Refer to TRANSAXLE/TRANSMISSION COOLING .
If leakage is found at the transaxle range selector lever, install a new seal.
If leakage is found at the transaxle harness connector, install a new O-ring.
The transaxle has the following parts to prevent external fluid leakage:
- Sealer
- Lip-type seals
- O-ring seals
- Seal rings
- Seal grommets
- Thread sealant
- Pan fluid
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.