Engine Tapping Noise - 2007 RX 350

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Jul 2, 2019 | 03:54 PM

howardken5

Thread Starter

Driver School Candidate

Joined: Jul 2019

Posts: 1

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From: Colorado

Engine Tapping Noise - 2007 RX 350

I know this question has been asked 1000 times, but my 2007 RX 350 engine noise sounds excessive. It never goes away, always consistent. What are your thoughts?

Jul 3, 2019 | 02:39 PM

5W40

Driver

Joined: Jun 2015

Posts: 165

Likes: 28

From: BC Canada

It sounds more like hydraulic lifter noise for me, always use right engine oil and good quality filter with recommanded change interval, or try Liquid Moly's Hydraulic Lifter Additive