# Front wheel alignment — caster by rear ride height (NB2, non-turbo)

Canonical URL: https://miatatorque.com/spec/front-alignment-caster-nb2/

Applicability: NB 2001–2005 (BP-Z3) — Other years inferred from 2003 factory evidence.

Confidence: fsm

Height from center of wheel to rear fender brim
(mm {in})
346—355 {13.7—13.9} 6°17′±1°
356—365 {14.1—14.3} 6°03′±1°
366—375 {14.5—14.7} 5°48′±1°
376—385 {14.9—15.1} 5°34′±1°
386—395 {15.2—15.5} 5°20′±1°

Always confirm against your factory manual. Match every restriction and follow all stages and procedure notes. Disputed claims must not be automatically resolved. The complete record below preserves every printed unit, source claim and procedure.

```json
{
  "id": "front-alignment-caster-nb2",
  "name": "Front wheel alignment — caster by rear ride height (NB2, non-turbo)",
  "aliases": [],
  "applies_to": [
    {
      "gen": "NB",
      "years": [
        2001,
        2005
      ],
      "engines": [
        "BP-Z3"
      ],
      "note": "Other years inferred from 2003 factory evidence."
    }
  ],
  "kind": "non-torque",
  "value_text": "Height from center of wheel to rear fender brim\n(mm {in})\n346—355 {13.7—13.9} 6°17′±1°\n356—365 {14.1—14.3} 6°03′±1°\n366—375 {14.5—14.7} 5°48′±1°\n376—385 {14.9—15.1} 5°34′±1°\n386—395 {15.2—15.5} 5°20′±1°",
  "procedure": {
    "notes": "Factory unloaded condition: fuel tank full, coolant and oil at specified levels, spare tire, jack and tools in designated positions. Use the factory measuring procedure; height is wheel center to fender brim, not ground clearance. Select target using the measured rear ride height. Left-to-right angle difference must not exceed 1°30′. Caster uses REAR ride height."
  },
  "confidence": "fsm",
  "sources": [
    {
      "source": "fsm-2003",
      "page": "Suspension Technical Data (PDF p. 977–978; conditions p. 980)",
      "as_printed": "Height from center of wheel to rear fender brim\n(mm {in})\n346—355 {13.7—13.9} 6°17′±1°\n356—365 {14.1—14.3} 6°03′±1°\n366—375 {14.5—14.7} 5°48′±1°\n376—385 {14.9—15.1} 5°34′±1°\n386—395 {15.2—15.5} 5°20′±1°",
      "verified_years": [
        2003,
        2003
      ],
      "document": {
        "id": "fsm-2003",
        "tier": 1,
        "title": "2003 Mazda MX-5 Miata Workshop Manual (electronic manual capture)",
        "covers": [
          {
            "gen": "NB",
            "years": [
              2003,
              2003
            ],
            "engines": [
              "BP-Z3"
            ]
          }
        ],
        "note": "Normally aspirated BP procedures audited; turbo procedures are covered separately."
      }
    }
  ],
  "jobs": [],
  "system": "suspension-front",
  "component": "inventory-pass-2026-10",
  "componentName": "Service measurements and fasteners",
  "sequence_diagrams": [],
  "url": "https://miatatorque.com/spec/front-alignment-caster-nb2/"
}
```