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Home >> Mazda >> 2005 >> Tribute s, 4WD >> Repair and Diagnosis >> Engine Performance >> Symptom Troubleshooting [Engine Control System] >> Pinpoint Test 6: The Generator Is Noisy

Pinpoint Test 6: The Generator Is Noisy

PINPOINT TEST 6: GENERATOR IS NOISY

PINPOINT TEST 6 THE GENERATOR IS NOISY
STEP INSPECTION ACTION
1 CHECK FOR ACCESSORY DRIVE NOISE AND MOUNTING BRACKETS Yes Go to next step.
No REPAIR as necessary. TEST the system for normal operation.
2 CHECK THE GENERATOR FOR EXCESSIVE ELECTRICAL NOISE
  • Disconnect the generator connector 0117-02 (3.0L) or connector 0117-03 (2.3L).
  • With the engine running, determine if the generator is still noisy.
  • Is the noise still present? 
Yes Go to next step.
No INSTALL a new generator. See GENERATOR . TEST the system for normal operation.
3 CHECK THE GENERATOR FOR MECHANICAL NOISE
  • Turn all the accessories off. With the engine running, use a stethoscope or equivalent listening device to probe the generator for unusual mechanical noise.
  • Is the generator the noise source? 
Yes INSTALL a new generator. See GENERATOR . TEST the system for normal operation.
No See ENGINE NOISE  to diagnose the source of the engine noise.