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.
2014 Infiniti Q50 Base, AWDFACTORY OEM SERVICE PROCEDURE
Commercial Service Tools
| Tool name (Kent-Moore No.) |
Description | |
|---|---|---|
| Leak detector i.e.: (J-41416) |
Locates the EVAP leak | |
| EVAP service port adapter i.e.: (J-41413-OBD) |
Applies positive pressure through EVAP service port | |
| Fuel filler cap adapter i.e.: (MLR-8382) |
Checks fuel tank vacuum relief valve opening pressure | |
| Oxygen sensor thread cleaner i.e.: (J-43897-18) (J-43897-12) |
Reconditions the exhaust system threads before installing a new oxygen sensor. Use with anti-seize lubricant shown below.
|
|
| Anti-seize lubricant i.e.: (Permatex™ 133AR or equivalent meeting MIL specification MIL-A-907) |
Lubricates oxygen sensor thread cleaning tool when reconditioning exhaust system threads. | |
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.
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