TRD Pro Fox Shock Clunk

Yeah, my sister is an attorney in Ohio so I’m up to speed on the code. Makes the process easier (cheaper) for me as well. It’s nice to have legal support.
I can assure you that if I test drove mine in its current state, I would be offering significantly less with the intent of replacing suspension components upon acquisition. I am too. I just want the damn thing fixed. I really like this truck, but I have zero confidence in the suspension in its current state.
The regional field service tech came and slapped a set of “shock ears” on the shock bodies and said, “everything is normal”. Then he followed that with it’s a known issue, so which is it? I don’t think mine is a shock problem. Toyota has thrown in the towel, leaving me with the choice to spend my own time and money trying to fix it or looking into a buy back.


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If you get yours bought back, I'm hiring your sister to get mine bought back. Seriously!
 
If you get yours bought back, I'm hiring your sister to get mine bought back. Seriously!

I'm sure she'd welcome the business (twins on the way!). I'm not going to have much movement until late March, with or without a response from Toyota directly.

Fun fact: this forum isn't accessible from my hotel in Vietnam. I have to run through a North American VPN.

Also, the Fortuner is pretty awesome. I like it more and more each time I'm over here. They even have rear a/c vents and control. Probably one of the more popular vehicles in Ho Chi Minh City.
 
Where did you take it, if you don't mind me asking?

Mine did not do this when it was new, but started in January and it is temperature-dependent for sure (almost imperceptible when it is > 40 degrees outside, but REALLY annoying and clunky/poppy when coming to a stop when it's ~15 degrees outside). We had some pretty cold days back in November and December too and it wasn't doing it back then, so that's why I'm not convinced that this is "normal" or "working as designed"...

When did you buy yours.
 
What are you going to do with this issue? Did you talk to your dealer. I would like to talk to someone from Fox, I do not know if I am going to find someone who was working with Toyota. Also I would ask Fox people if they have the same sound from their aftermarket suspension. I will stay in touch. If you find out something about this issue, please let me know. Thank you.
 
What are you going to do with this issue? Did you talk to your dealer. I would like to talk to someone from Fox, I do not know if I am going to find someone who was working with Toyota. Also I would ask Fox people if they have the same sound from their aftermarket suspension. I will stay in touch. If you find out something about this issue, please let me know. Thank you.

FYI, I've emailed Fox six times now, and have not received a single response. I've not tried to call, as I want their response documented.
 
FYI, I've emailed Fox six times now, and have not received a single response. I've not tried to call, as I want their response documented.

I've also never received a response from FOX.

My claim was accepted by the NCDS. Arbitration is scheduled for 3/31 and Toyota is required to provide a response based on the outcome of the proceedings within 10 days. So I'll know something mid-April.
 
Currently experiencing the same issues with my new TRD Pro as well. However, I live in southeast Texas.. where cold weather is never a factor in the equation. My runner has been in four times.. today, they replaced the fox suspension with a new set.. the noise is still present. They are attempting to tell me the issue is “normal.” However, my noise did not begin until my vehicle reached around 4000 miles.

I spoke to the regional sales manager at Fox and was assured that this is NOT a normal occurrence in the Fox system. The only time a knock should/would be present in a Fox Shock is if the nitrogen level has been depleted. Being that the “old set” and the “new set” are having the same noise.. that seems to be unlikely as well. (Per Fox)

He is willing to speak to my dealership as well.

Very unpleased with the way our dealership has handled this issue for us, but I’m glad I’m not alone.
 
Currently experiencing the same issues with my new TRD Pro as well. However, I live in southeast Texas.. where cold weather is never a factor in the equation. My runner has been in four times.. today, they replaced the fox suspension with a new set.. the noise is still present. They are attempting to tell me the issue is “normal.” However, my noise did not begin until my vehicle reached around 4000 miles.

I spoke to the regional sales manager at Fox and was assured that this is NOT a normal occurrence in the Fox system. The only time a knock should/would be present in a Fox Shock is if the nitrogen level has been depleted. Being that the “old set” and the “new set” are having the same noise.. that seems to be unlikely as well. (Per Fox)

He is willing to speak to my dealership as well.

Very unpleased with the way our dealership has handled this issue for us, but I’m glad I’m not alone.


If you could get something in writing from that Fox manager I would be forever grateful. I have an open claim with the NCDS because Toyota rejected my lemon law claim. Evidence is due by March 31st.


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Toyota replacing the front shocks.

Yesteraday morning was the perfect conditions to hear my 2019 TRD Pro suspension pop. It was cold, 37* and 8am. I drove my 4R 2 miles to the dealership and it popped entering their parking lot. So I spoke to service tech and they advised me to wait a few mins to do a ride along. I took the master tech for a ride along. The suspension popped many times. He was able to hear and feel it in the floor. Once we got back to the dealership he advised me he would start a service call with Toyota Technical. Within a few minutes he had an answer from them to replace the front shocks, evaluate suspension again, if rear pop they will also replace them.

Let's hope the replacements are from a different production batch with the problem corrected.

The tech also told me Toyota asked for the front shocks to be sent to them for inspection.

I'll update once the front has been replaced. :plane:

cameraman1dm3-albums-2019-trd-pro-picture57729-strutservice.jpg
 
Yesteraday morning was the perfect conditions to hear my 2019 TRD Pro suspension pop. It was cold, 37* and 8am. I drove my 4R 2 miles to the dealership and it popped entering their parking lot. So I spoke to service tech and they advised me to wait a few mins to do a ride along. I took the master tech for a ride along. The suspension popped many times. He was able to hear and feel it in the floor. Once we got back to the dealership he advised me he would start a service call with Toyota Technical. Within a few minutes he had an answer from them to replace the front shocks, evaluate suspension again, if rear pop they will also replace them.

Let's hope the replacements are from a different production batch with the problem corrected.

The tech also told me Toyota asked for the front shocks to be sent to them for inspection.

I'll update once the front has been replaced. :plane:

cameraman1dm3-albums-2019-trd-pro-picture57729-strutservice.jpg
It seems like each dealer does what they want there is not any consistency on how the dealers are to deal with this issue
I am hopping for a recall notice for all Fox suspension on the Pro Owners now that would be how to deal with this.
 
I had the same issue with my 19' Pro. Took it to the dealer back in January and was told Toyota knows about the issue. However, they stated the shocks are performing correctly and it is a cold weather issue that Fox is looking into.

Well today I fixed the problem. Swapped everything with Kings. I like the truck just disappointed in how Toyota is handling this issue.
 
Any updates on what is going on with this issue is just few or all 19-20 with the same issue
I am looking in buying a set of the 2020 Trd Pro Fox Suspension I need to know if I should or go a different route please advise thank you
 
Not sure if this was mentioned elsewhere, but there is now a service bulletin for shock replacement. I only saw it as it was metioned on the Eibach website under the Pro lift coils. Replaces the shocks with the new 2021 version. Covered under basic 3 yr 36,000mi warranty.

T-SB-0094-20

https://static.nhtsa.gov/odi/tsbs/2020/MC-10181779-9999.pdf

Some 2019 – 2020 model year TRD Pro Edition 4Runner vehicles may exhibit a knocking noise
when driving at low speeds over uneven road surfaces (small bumps and dips) in cold conditions.
The noise is noticeable in cold temperatures (less than 40˚F) and diminishes as temperatures
increase. The TRD Pro shock absorbers have been improve noise performance. Follow the Repair
Procedure in this bulletin to address the condition.
 
Has anybody in the Atlanta area dealt with this problem? If so, which dealership did you go to?

I noticed the TSB states the issue is with the front shocks. I'm hearing some noise coming from the rear and was wondering if anyone else noticed the same.
 
Has anybody in the Atlanta area dealt with this problem? If so, which dealership did you go to?

I noticed the TSB states the issue is with the front shocks. I'm hearing some noise coming from the rear and was wondering if anyone else noticed the same.


Check your rear exhaust heat shield.

Also, mine was back at the dealer again today. My dealer service department has turned over all but one advisor since February. Luckily, he was there and told the advisor checking me in to just order the parts, before the master tech even knew it was in the bay. They just needed to check the box of reviewing against the TSB. The SA knew my truck was there for almost a month between December and February chasing the issue. Parts are scheduled to arrive in about a week, way better than 4 weeks last time they ordered a replacement. This will be the 3rd set of Fox shocks on a 13.5k mile vehicle.


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Check your rear exhaust heat shield.

Also, mine was back at the dealer again today. My dealer service department has turned over all but one advisor since February. Luckily, he was there and told the advisor checking me in to just order the parts, before the master tech even knew it was in the bay. They just needed to check the box of reviewing against the TSB. The SA knew my truck was there for almost a month between December and February chasing the issue. Parts are scheduled to arrive in about a week, way better than 4 weeks last time they ordered a replacement. This will be the 3rd set of Fox shocks on a 13.5k mile vehicle.


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hopefully they are getting you the 2021 Fox shocks to replace yours let us know what happens do you only hear it when the weather is very cold what happens when it warms up do you not hear it any more? good luck
 
hopefully they are getting you the 2021 Fox shocks to replace yours let us know what happens do you only hear it when the weather is very cold what happens when it warms up do you not hear it any more? good luck

The TSB specifically calls out replacement with the 2021 shocks, so I hope so too. I'd hate for them to have to put a 4th set on.

It's only audible when cold, and the colder it gets the more prevalent the sound. I fought with Toyota most of last winter on it, basically until it started to get warmer outside and the noise went away. At that point it's hard to make a case when the vehicle isn't showing the symptoms. I knew I'd be at it again this winter, but the TSB actually has made my argument much easier.
 

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