TSB re 2021 Mazdas
Senior Member
Joined: Oct 2018
Posts: 10,731
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From: Northern California
Thanks again, and thanks for clarification between O2 and HO2. So on to my question of the day 😎
I received an extensive report from the dealer the other day as part of their “full circle multi point” inspection. It was very thorough including detection of my dirty cabin air filter. However, it didn’t list a code or make mention of the leaking valve stem issue. In your estimation does this leak issue throw a specific code, and if so, should it be on the inspection report?
Again, much appreciate your dedication to this forum.
I received an extensive report from the dealer the other day as part of their “full circle multi point” inspection. It was very thorough including detection of my dirty cabin air filter. However, it didn’t list a code or make mention of the leaking valve stem issue. In your estimation does this leak issue throw a specific code, and if so, should it be on the inspection report?
Again, much appreciate your dedication to this forum.
Sorry about the sensor description lesson you can see I actually deleted it but I guess not before you read it, LOL I tend to be straight to the point and seldom diplomatically choose the words I use on forums. It gets me into trouble often. LOL
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Junior Member
Joined: Sep 2022
Posts: 25
Likes: 0
From: Washington
No worries Callisto. After posting, it occurred to me that since my check engine light did not come on, (instead all I got was the oil can/oil low alert,), there likely was no code for the leak. Thanks for confirming that,
As for posting styles, I am more interested in your expertise and willingness to continuously share it, than anything else .
Please keep serving up those lessons sir!
As for posting styles, I am more interested in your expertise and willingness to continuously share it, than anything else .
Please keep serving up those lessons sir!
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Junior Member
Joined: Sep 2022
Posts: 25
Likes: 0
From: Washington
Hope it’s ok to post links to other Mazda forums. Some info here that suggests a fix may be on the way.
https://www.cx30talk.com/threads/oil...ng.2430/page-7
an excerpt:
“I'm guessing that a TSB to fix this issue on the 2.5T engine should be coming soon, Mazda published recently a TSB to fix this on the 2.2 diesel engine, for some 2021 models, that use the same valve seal and can have this same issue with oil burning. (35 page TSB!)”
TSB: R074/22 (SI123172
Unfortunately I couldn’t find anything with the TSB no provided, but thought it worth posting anyway.
https://www.cx30talk.com/threads/oil...ng.2430/page-7
an excerpt:
“I'm guessing that a TSB to fix this issue on the 2.5T engine should be coming soon, Mazda published recently a TSB to fix this on the 2.2 diesel engine, for some 2021 models, that use the same valve seal and can have this same issue with oil burning. (35 page TSB!)”
TSB: R074/22 (SI123172
Unfortunately I couldn’t find anything with the TSB no provided, but thought it worth posting anyway.
there's a class action lawsuit out of California over this as well... https://www.classaction.org/news/val...-action-claims
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Junior Member
Joined: Sep 2022
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From: Washington
Here is the much anticipated TSB calling for repair to be made. With thanks to Hawke and sinistriel over at
Mazda3Revolution
https://www.mazda3revolution.com/thr...2#post-2541681
Mazda3Revolution
https://www.mazda3revolution.com/thr...2#post-2541681
Senior Member
Joined: Oct 2018
Posts: 10,731
Likes: 237
From: Northern California
Regarding that TSB.
It does not cover all MAZDAS
You must already have reported a problem with a MAZDA dealer TO GET ANY ACTION THAT MAY BE COVERED UNDER WARRANTY.
The DTC mention in the TSB is generated by low oil and NOT the valve stem seal. There could be other reasons for that DTC and it must be investigated by experienced automotive technicians why it was generated by the ECU
In fact, in the old days of posting a TSB they needed to be approved before posting to make sure accurate information. That TSB obviously was not proofed for technical accuracy and complete information. My guess is at some point it will be updated.
TSB which stands for Technical Service Bulletin are and were designed to share with Automotive Technicians at dealership and not really for public as they often without experience and training don't understand all of their information.
What I read is that each concern is a one-on-one evaluation regarding what will be covered under MAZDA warranty. As they usually are!
Recommendation:
Make an appointment with your MAZDA dealer and get your problem discussed and logged into your vehicle MAZDA corp global information. Get anything talked about summarized and a copy of it for your personal records.
DONT ASSUME ANYTHING AND DONT READ INTO WHAT IS POSTED ON FORUMS REGARDING THE DIFFENTION OF ANY TSB AND WHAT PEOPLE FEEL THINGS SHOULD BE COVERED UNDER WARRANTY.
It does not cover all MAZDAS
You must already have reported a problem with a MAZDA dealer TO GET ANY ACTION THAT MAY BE COVERED UNDER WARRANTY.
The DTC mention in the TSB is generated by low oil and NOT the valve stem seal. There could be other reasons for that DTC and it must be investigated by experienced automotive technicians why it was generated by the ECU
In fact, in the old days of posting a TSB they needed to be approved before posting to make sure accurate information. That TSB obviously was not proofed for technical accuracy and complete information. My guess is at some point it will be updated.
TSB which stands for Technical Service Bulletin are and were designed to share with Automotive Technicians at dealership and not really for public as they often without experience and training don't understand all of their information.
What I read is that each concern is a one-on-one evaluation regarding what will be covered under MAZDA warranty. As they usually are!
Recommendation:
Make an appointment with your MAZDA dealer and get your problem discussed and logged into your vehicle MAZDA corp global information. Get anything talked about summarized and a copy of it for your personal records.
DONT ASSUME ANYTHING AND DONT READ INTO WHAT IS POSTED ON FORUMS REGARDING THE DIFFENTION OF ANY TSB AND WHAT PEOPLE FEEL THINGS SHOULD BE COVERED UNDER WARRANTY.
Last edited by Callisto; Oct 11, 2022 at 10:07 AM.
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Junior Member
Joined: Sep 2022
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From: Washington
Great advice. Thanks Callisto
Service manager at my local dealership said this TSB would apply to me, when I saw him last month, but I’ll be sure to ask him to make sure there is not some other reason for my low oil experiences. As you say, the code quoted, which my ecu threw, simply means low oil.
Service manager at my local dealership said this TSB would apply to me, when I saw him last month, but I’ll be sure to ask him to make sure there is not some other reason for my low oil experiences. As you say, the code quoted, which my ecu threw, simply means low oil.
Senior Member
Joined: Oct 2018
Posts: 10,731
Likes: 237
From: Northern California
Great advice. Thanks Callisto
Service manager at my local dealership said this TSB would apply to me, when I saw him last month, but I’ll be sure to ask him to make sure there is not some other reason for my low oil experiences. As you say, the code quoted, which my ecu threw, simply means low oil.
Service manager at my local dealership said this TSB would apply to me, when I saw him last month, but I’ll be sure to ask him to make sure there is not some other reason for my low oil experiences. As you say, the code quoted, which my ecu threw, simply means low oil.
In the legal world I am not sure what that would translate to that a TSB would apply to you. I mean which part did the service manager suggest it would apply to you and how did he conclude that without more information from the actual condition of the engine and knowing exactly all the details? That TSB has a few sections and meanings? Nothing that indicates who would be ultimately responsible for the payment of all the service work and parts and also specifically some things would not be covered by the dealership(s) or MAZDA warranty coverage.
Last edited by Callisto; Oct 11, 2022 at 11:22 AM.
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Junior Member
Joined: Sep 2022
Posts: 25
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From: Washington
Well he knew something was in the works when I had the low oil noted and subsequently changed free of charge Callisto. It was last month so the latest tsb from last week hadn’t come out. I know my VIN falls within the range of VIN’s listed on the new TSB but I will schedule an appt to make sure I am officially counted as worthy of this fix.
thumps up!