Pinpoint Test F : Generator Noise Or Mechanical Performance
- F1 CHECK FOR ACCESSORY DRIVE BELT NOISE AND LOOSE MOUNTING BRACKETS
- Ignition OFF.
- Check the accessory drive belt and tensioner for damage and correct installation. REFER to Accessory Drive
- Check the accessory mounting brackets and generator pulley for looseness or misalignment.
Is the accessory drive OK?
Yes GO to F2. No REPAIR as necessary. REFER to Accessory Drive , Symptom Chart: FEAD for diagnosis and testing of the accessory drive system. - F2 CHECK THE GENERATOR MOUNTING
- Check the generator mounting for loose bolts or misalignment.
Is the generator mounted correctly?
Yes GO to F3. No REPAIR as necessary. - F3 CHECK THE GENERATOR FOR NOISE
- With the engine running, use a stethoscope or equivalent listening device to probe the generator and the accessory drive area for unusual mechanical noise.
Is the generator the source of the noise ?
Yes INSTALL a new generator. REFER to Generator - 2.0L GTDI or REFER to Generator - 3.5L GTDI or REFER to Generator - 3.5L Ti-VCT . No DIAGNOSE the source of the engine noise. REFER to Engine System - General Information , Symptom Chart: NVH.