Answer to:
Nissa Altima 00 making noise from the hood. when i put my car in drive mode (not driving ) & Applies the break it makes noise,when i turn the car to neutral or Parking its fine.. can you tell me what to repair. is there any prob with Catalytic Converter. Thank you so much giving reply to my question. It is coming from right side from hood. It is ticking sound. I went yesterday some another mechanic he said that it was coming from Air Compressor Clutch belt.need to replace. as per my concern. It is making noise when I stop at traffic light & it on drive mode. If A/C is turn on Its making more nice. but it A/C is off also making. If...

Answer to:
I got Nissan Altima 2000 GXE Model with me..Its making noise from the hood. when i put my car in drive mode & Applies the break it makes some again squealing sound and when i turn the car to neutral or Parking its fine.. when i drive its fine. Is this coming from Engine ? I showed 3 to 4 local mechanics no one find the exact problem. some one is saying that Catalytic Converter is making noise and need to replace it. I was worried about this can any one help me out what is the exact problem and what to replace. please let me know the what can cause this problem?