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.
1990 Infiniti M30FACTORY OEM SERVICE PROCEDURE
Wheel Alignment Specifications
WHEEL ALIGNMENT SPECIFICATIONS (M30)
| Application | Fraction | Decimal | |
|---|---|---|---|
| Camber (Degrees) | -37/64 - +59/64 | -.583 to +.916 | |
| Caster (Degrees) | 3 59/64 - 5 27/64 | 3.916 - 5.416 | |
| Kingpin Inclination ° | 11 59/64 - 13 27/64 | 11.916 - 13.416 | |
| Toe-In (Inches) | |||
| Front | 0 | 0.0 | |
| Rear | 5/32 | .15 | |
| Turning Angle (Degrees) | |||
| Inside Wheel | 40 1/2 - 44 1/2 | 40.5 - 44.5 | |
| Outside Wheel | 33 1/2 | 33.5 | |
WHEEL ALIGNMENT SPECIFICATIONS (Q45)
| Application | Fraction | Decimal | |
|---|---|---|---|
| Camber (Degrees) | |||
| Front | -1 37/64 - -5/64 | -1.583 - -.083 | |
| Rear | -1 37/64 - -37/64 | -1.583 - -.583 | |
| Caster (Degrees) | 5 3/4 - 7 1/4 | 5.750 - 7.25 | |
| Kingpin Inclination ° | 12 - 13 1/2 | 12.0 - 13.5 | |
| Toe-In (Inches) | |||
| Front | 1/32 | .04 | |
| Rear | 3/32 | .10 | |
| Turning Angle (Degrees) | |||
| Inside Wheel | 35 1/2 - 39 1/2 | 35.5 - 39.5 | |
| Outside Wheel | 32 | 32 | |
Factory Service Tools
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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.