Clanging Noise Shifting Into Reverse

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Dec 1, 2020 | 05:14 PM

Carguy2

Thread Starter

Driver School Candidate

Joined: Jul 2020

Posts: 5

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From: TX

Clanging Noise Shifting Into Reverse

My 2019 GS 350 with just 19K miles makes a clanging sound when the car is shifted from park into reverse. Sounds like a significant problem to me. The car is under warranty and I'm planning to take it into the dealer to have it repaired. I'm anticipating the dealer saying there's nothing wrong and I want to be prepared to argue with them. Has anyone else experienced this problem? If so, what was the cause of the noise and what was the remedy? Thanks in advance.

Dec 2, 2020 | 09:31 AM

JDR76

Lexus Champion

Joined: Nov 2013

Posts: 13,198

Likes: 1,845

From: WA

Does it still happen if you have the automatic parking brake off? Try cycling just the brake and see if you can hear it.

Dec 2, 2020 | 01:50 PM

jonathancl

Racer

Joined: May 2004

Posts: 1,733

Likes: 383

From: Philadelphia

Could it be the brake pads shifting against the brackets?

Dec 2, 2020 | 02:35 PM

VA75067

Driver

Joined: Nov 2018

Posts: 82

Likes: 7

From: TX

you might want to record the sound and post it here on this forum

Dec 2, 2020 | 06:30 PM

RuninRoach

Intermediate

Joined: Oct 2010

Posts: 308

Likes: 11

From: Hong Kong

i get it all the time...(2012 here)...i thought it was the parking brake releasing and have not thought again about it in 2 years.

Dec 3, 2020 | 12:35 PM

SC300Es

Pole Position

Joined: Sep 2002

Posts: 3,244

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From: New York

A lot of Toyotas and Mazdas make a sound when shifted into reverse but I think it is usually the brake pads making the noise. That would be a waste of time at the dealer for you.

Dec 3, 2020 | 08:16 PM

chinee

Racer

Joined: Jun 2018

Posts: 1,952

Likes: 971

From: FL

Do you apply the parking brake when parked or simply shift the transmission into Park and get out? Many years of parking like this can likely damage your transmission, I hope that's not the case with you.

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Dec 9, 2020 | 08:12 PM

Carguy2

Thread Starter

Driver School Candidate

Joined: Jul 2020

Posts: 5

Likes: 1

From: TX

Actually, the only time I can hear it is when I'm standing in the garage next to the car and my wife is backing out. When she shifts the car into reverse, it makes the clanging sound. I took the car into the dealership last Friday. They still have it and are trying to find the problem. The service rep called me today and told me they think it is a bad vacuum pump. They have ordered the part and plan to install it tomorrow. With any luck, I'll have an answer tomorrow.

Dec 9, 2020 | 10:08 PM

#10

TommyT503

Driver School Candidate

Joined: Dec 2020

Posts: 1

Likes: 0

From: Or

I was going to create a post about the exact same thing until I read this thread. Mines also clunked when shifting from park to reverse. Called the Lexus dealer today and they wanted $175 just to diagnose it. The person above got it right. I turned off the automatic parking brake and the clunking noise went away. Thanks 4GS forums!