Grinding noise when turning the key

Asked by Mar 23, 2017 at 06:20 PM about the 2005 Subaru Impreza 2.5 RS

Question type: Maintenance & Repair

I have a 2005 subura impreza rs 2.5 and there been
a rattling/ squealing sound. We assumed it was
the a.c. compressor so we cut the belt and it stop
but there was still a rattle and so we thought the
alternator was going bad well while I was driving
the rattling got louder and my car shut down. We
hooked jumper cables to the battery to try to move
it well when I turned the key there was grinding
could this be bad timing chain and alternator?  

3 Answers


The alternator wouldn't make a rattle. The engine has a timing belt. It sound could have come from there. Should just get it to a shop for diagnosis and repair.

1 of 1 people found this helpful. not my car but it sound like that when you turn the key over


First guess is that you were hearing terminal rod knock and it finally let go. Sorry.

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