2018 NX Fsport Noise!
01-02-19, 11:53 AM
#1
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2018 NX Fsport Noise!
This has been on going since about 3k miles. We got the car in April of last year, new. It currently has a total of 7,000 miles on it. Have any of you experienced this sound in the video ? It’s a very audible metallic clicking sound when brakes are applied. We also had thudding sounds as well while coming to a stop at a light.
https://drive.google.com/file/d/1kKv...w?usp=drivesdk
https://drive.google.com/file/d/1kKv...w?usp=drivesdk
Last edited by Nmagnum; 01-02-19 at 11:59 AM. Reason: Add link
01-02-19, 08:36 PM
#4
Driver School Candidate
Yep! My 2017 does it as well. I had in in 3 times, until they gave me an answer. In the end, they told me our NX has floating calipers and the noise is the brake pads moving back and forth in the caliper. It makes sense, but it’s BS. They won’t do anything about it, except maybe grease the pads and it will start again after a couple thousand miles.
They refuse to acknowledge these noises. I opened a case with Lexus corporate who told me that it isn’t a defect, but rather a “characteristic” of the vehicle. Whatever, this is the most clickety, vibrating, noisiest vehicle I’ve ever owned. I expected more from Lexus.
They refuse to acknowledge these noises. I opened a case with Lexus corporate who told me that it isn’t a defect, but rather a “characteristic” of the vehicle. Whatever, this is the most clickety, vibrating, noisiest vehicle I’ve ever owned. I expected more from Lexus.
01-03-19, 02:26 PM
#5
ALL modern cars have floating calipers. ALL. Disk brake=floating caliper.
ONE click is normal. Yes, it is. Now, TWO clicks - not so much. So not sure. But indeed, one is perfectly fine going either direction. Also, when you start the car and take off, there will be clink coming from about where your left knee is. That is also normal, that's brake actuator resetting itself.
ONE click is normal. Yes, it is. Now, TWO clicks - not so much. So not sure. But indeed, one is perfectly fine going either direction. Also, when you start the car and take off, there will be clink coming from about where your left knee is. That is also normal, that's brake actuator resetting itself.
01-03-19, 02:42 PM
#6
Driver School Candidate
I believe that they all have floating calipers, but I think it’s weird that the NX is the first vehicle that I’ve ever heard the noise in. Do you know what that happens?
Also, as the OP shows in the videos....my NX originally only had one click and then now I can hear four separate clicks. I can hear each caliper click at different times.
Also, as the OP shows in the videos....my NX originally only had one click and then now I can hear four separate clicks. I can hear each caliper click at different times.
01-03-19, 06:25 PM
#7
Intermediate
ALL modern cars have floating calipers. ALL. Disk brake=floating caliper.
ONE click is normal. Yes, it is. Now, TWO clicks - not so much. So not sure. But indeed, one is perfectly fine going either direction. Also, when you start the car and take off, there will be clink coming from about where your left knee is. That is also normal, that's brake actuator resetting itself.
ONE click is normal. Yes, it is. Now, TWO clicks - not so much. So not sure. But indeed, one is perfectly fine going either direction. Also, when you start the car and take off, there will be clink coming from about where your left knee is. That is also normal, that's brake actuator resetting itself.
In these cars calipers are attached to the knuckles directly and do not float.
Last edited by Lex2000TL; 01-03-19 at 06:29 PM.
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01-03-19, 06:34 PM
#8
Intermediate
Check to see if all brake pad retaining clips on the pad "ears" are oriented so that they compress (and click upon contact with the caliper) while braking in reverse and not while braking going forward. I encountered this annoying problem some time last year and discovered that my rear pads were oriented incorrectly. With the way your vehicle clicks in both forward and reverse, it might be possible that some pad "ear" springs are oriented correctly while the others aren't. Hope this helps.
EDIT: I think they're also called anti-rattle springs
EDIT: I think they're also called anti-rattle springs
01-04-19, 02:15 PM
#10
I watched video and saw TWO consecutive clicks in Reverse. That should not be the case, unless one side clicks ahead of the other.
I'll correct myself. All NORMAL cars. Performance vehicles always had weird stuff.
On a floating caliper setup, the piston is on only one side of the caliper and the caliper itself slides slightly side to side on pins. Fixed caliper setups have pistons on both sides of the caliper and the caliper does not slide at all. Fixed caliper setups provide more even brake pad wear than floating calipers and also provide more consistent pressure between the two sides of the caliper because this setup does not rely on the caliper's sliding.
Fixed caliper designs, of course, require at least two pistons; one for each side.
I'll correct myself. All NORMAL cars. Performance vehicles always had weird stuff.
On a floating caliper setup, the piston is on only one side of the caliper and the caliper itself slides slightly side to side on pins. Fixed caliper setups have pistons on both sides of the caliper and the caliper does not slide at all. Fixed caliper setups provide more even brake pad wear than floating calipers and also provide more consistent pressure between the two sides of the caliper because this setup does not rely on the caliper's sliding.
Fixed caliper designs, of course, require at least two pistons; one for each side.
01-04-19, 03:41 PM
#11
Similar to my G37. Piston was on one side and it clicked backing out of the garage every morning. On the plus side the single piston design makes it easy to replace the brakes.
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