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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Removal, Overhaul & Installation >> Air Induction Systems >> Upper Intake Manifold >> Removal (B3000)

Removal (B3000)

  1. Disconnect negative battery cable. Remove air cleaner outlet tube. Disconnect throttle return spring. Disconnect accelerator and cruise control (if equipped) cable(s) from throttle body lever.
  2. Disconnect harness connectors from Throttle Position (TP) sensor and Idle Air Control (IAC) valve. Disconnect brake booster vacuum hose from upper intake manifold.
  3. Loosen bolt on 42-pin harness connector, disconnect harness from bracket and position harness out of way. Disconnect evaporative emissions hose. Disconnect heater hoses from intake manifold.
  4. Remove PCV valve from valve cover. Remove upper bolt and loosen lower nut from manifold support bracket. Remove bolt and move EGR vacuum regulator valve out of way. Remove upper intake manifold.
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