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.
1987 Porsche 928 AutomaticFACTORY OEM SERVICE PROCEDURE
Alignment Specifications
WHEEL ALIGNMENT SPECIFICATIONS
| Application | Specification | ||||
|---|---|---|---|---|---|
| Front | |||||
| Camber in Degrees | |||||
| Fraction | -1/2 +/- 3/16 | ||||
| Decimal | -.5 +/- .18 | ||||
| Caster in Degrees | |||||
| Fraction | 3 1/2 +/- 1/4 | ||||
| Decimal | 3.5 +/- .25 | ||||
| Toe-In in Inches | |||||
| Fraction | 1/8 +/- 1/32 | ||||
| Decimal | .13 +/- .03 | ||||
| Toe-In in Degrees | |||||
| Fraction | 1/4 +/- 1/16 | ||||
| Decimal | .25 +/- .06 | ||||
| Toe-Out in Turns | |||||
| Inner | 20° | ||||
| Outer | 18 11/16° | ||||
| Steering Axis Inclination (SAI) | (1) | ||||
| Rear | |||||
| Camber in Degrees | |||||
| Fraction | -11/16 +/- 3/16 | ||||
| Decimal | -.68 +/- .18 | ||||
| Caster in Degrees | |||||
| Fraction | - | ||||
| Decimal | - | ||||
| Toe-In in Inches | |||||
| Fraction | 1/16 +/- 1/32 | ||||
| Decimal | .06 +/- .03 | ||||
| Toe-In in Degrees | |||||
| Fraction | 1/8 +/- 1/16 | ||||
| Decimal | .13 +/- .06 | ||||
| Toe-Out in Turns | |||||
| Inner | - | ||||
| Outer | - | ||||
| Steering Axis Inclination (SAI) | - | ||||
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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.