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2013 highlander 4cyl with metal grinding noise at idle

2.4K views 6 replies 4 participants last post by  Tarsun2  
#1 ·
Hi Toyota Highlander that is one of my family members cars has this weird grinding noise at idle speed it’s a four-cylinder and has about 140 K on it it is a plus trim any ideas things I am thinking in my head
1. One time we took it to the dealership to get a oil change and tires put on the paper they give us that tells us what we paid for it says that the engine was basically starved of oil what I’m thinking is maybe the grinding noise is coming from how the engine basically starved itself of oil and is now killing itself
2. is possible timing problems

these are the sound files
Grinding 1