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.
Engine Electrical: 2016-18
2015 Acura RDX AWDSECTION 2016-18
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| Ignition coil | Firing order | 1-4-2-5-3-6 | ||
| Spark plug | Gap | 1.0-1.1 mm (0.039-0.043 in) | - | |
| Ignition timing | At idle Check the red mark | In N or P | 5 ±2 ° BTDC | |
| Drive belt | Tension | Auto-tensioner | ||
| Alternator | Brush length | 10.5 mm (0.413 in) | 1.5 mm (0.059 in) | |
| Starter | Commutator mica depth | 0.40-0.50 mm (0.0157-0.0197 in) | 0.15 mm (0.0059 in) | |
| Commutator runout | 0.02 mm (0.0008 in) | 0.05 mm (0.0020 in) | ||
| Commutator O.D. | 28.0-28.1 mm (1.102-1.106 in) | 27.5 mm (1.083 in) | ||
| Brush length | 11.1-11.5 mm (0.437-0.453 in) | 4.3 mm (0.169 in) | ||
| Brush spring tension | 15.2-18.2 N (1.55-1.86 kgf, 3.42-4.10 lbf) | - | ||
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.