Help with engine noise !
Well I took the belt off, and noise still there , I got under the car the noise is coming from under the tranny.....not what I wanted to find out . I did change the oil not that long ago and the oil I drained looked new ....I hope the tranny doesn't need to be replaced. Any ideas ? Thanks
Was the filter very dirty?
Was the oil level adjusted correctly according to the temperature?
I found the damn problem. When I was installing the control arms , I had to lift the engine up so I can get the engine mounts out. I put the jack under the tranny pan and I did use a 2x4 , it still bent the tranny oil pan enough, and it wasn't picking up enough oil. Took the pan off , hammered it back to the original position and it's all good now. . Moral of the story , the oil level is extremely important and sensitive on these transmission Thanks for all the help
Maybe use a 2x8 next time. At least you figured out and fixed the issue!
My Sienna (same drivetrain) has a small dent in the engine oil pan from when the water pump was replaced and they jacked up the motor, but it does not affect anything.
My Sienna (same drivetrain) has a small dent in the engine oil pan from when the water pump was replaced and they jacked up the motor, but it does not affect anything.
I found the damn problem. When I was installing the control arms , I had to lift the engine up so I can get the engine mounts out. I put the jack under the tranny pan and I did use a 2x4 , it still bent the tranny oil pan enough, and it wasn't picking up enough oil. Took the pan off , hammered it back to the original position and it's all good now. . Moral of the story , the oil level is extremely important and sensitive on these transmission Thanks for all the help
I do not know if it was the correct thing to do but I trusted the solid metal of the transfer-case over the thin stamped steel oil pan to support the engine. Plus the transfer-case has a large thick metal support bracket attached to the engine as well as being bolted to the transmission so it seem like a solid part to use with wood helping to distribute the weight.
It worked without any issues and my old 2011 RX350 is still running to this day owned by the same person that bought it years ago.
Last edited by carguy75; Jan 5, 2026 at 12:51 AM.
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