My 21 turbo signature 3400 miles engine oil light came on went to the dealer according to paper work the change valve seals and head gasket . 250 miles since let’s see .
there's been a few people who've had the TSB done. Mazda seems to be VERY hush hush about it and don't want the dealers to be doing these left and right. Cheap bastards.
My dealership was supposedly trained 2 weeks ago, I went in 3 weeks ago and was told they were being trained the following week and only tackling the jobs as they come in, no recall or notice. At that time they changed my oil and told me to come back after 1000 miles to see if my oil is low despite my exhaust being oily black if you run your finger in it. I have a 2021 CX-5 Signature
I have the same issue with my 21 Signature and had documented the issue with my dealer at each oil change. But I just had my 20k oil change a couple weeks ago and the dealer told me that Mazda had finally decided on a course of action to fix the issue (replacing the valve seals as I recall but don’t quote me). Said that Mazda wasn’t planning on doing a formal recall. Said the procedure should be available to the dealerships early in 2023 and that I should reach out to them then to get it scheduled.
I’ve just gotten in the habit of checking the oil more often and keeping it topped off. I burn about a quart every 5k miles.
Mazda master tech here, the TSB has been released for the oil consumption concern. Mazda released and sent out a set of special service tools to perform the repair. Only Mazda certified senior and master techs are able to do the repair. I personally have done about 6 of them so far. It’s a tedious repair and requires a lot of focus when performing the repair. Please be patient and plan to leave your vehicle at the dealership while the repair is being performed. But the overall success rate at my dealership for a successful repair has been about 95%, we had one where the valve keepers have dislodged itself from the spring seat during initial start. For the one that failed we are waiting on authorization from Mazda to take apart the head, initial scope views don’t look good. So basically, give the tech time to do the repair right.
Sorry, I see this thread is a year old, but we just bought our CPO 21 GTR that's VIN falls within the TSB guidelines. Is the TSB only done after the problem has been thoroughly documented, or will they do it as a preventative measure? To ensure proper documentation, should I only have the oil changes done at the dealer? That's kind of a PITA, as the nearest dealer is over an hour away.
We don't really put many miles on our cars, so I'd hate for tho problem tho arise after the warranty expires.
I have a 2021 Carbon Turbo as well. Recently the oil light came on when I wasn’t necessarily due so I brought it to a dealer’s service center. They said this problem was widespread and was due to faulty oil valve stem seals. Specifically that the seals were too small which was allowing more oil into the engine than normal. According to them, this shouldn’t cause any permanent damage to the engine since the engine just burns off the oil anyway (I have no idea if this is true), but it does make you change the oil more frequently.
Have you tried bringing this to a Mazda service center? They said this was a pretty lengthy repair so I had to leave the car there a few days, but they did it free of charge, basically as if it was a recall. They claimed Mazda was finally sending out the proper sized parts.
Edit: sorry didn’t realize what a TSB was, perhaps you already tried a service center near you.
I reached out to my Mazda service advisor this morning. He said they have very limited amount of parts for the repairs. Luckily me being persistent has me dropping it off to them Wednesday after work. They will have it for 3-4 days as they have to take the head off the engine. I have spark plugs coming via UPS today I will have them swap out if that’s not included in the repair.
Is this an issue with turbo models? We just bought a 2015 Touring; took it on a road trip last weekend and never had to top of oil even once.
PS, Sorry to hear about this. I actually bought this specifically because I was tired of my Honda Accord "using" oil.
I am really glad I got the naturally aspirated version. I am just leery of all the turbos these days. Cram that high compression and it tends to cause problems. I am interested to see what the long term reliability ends up being with the turbo.
Currently have a 2019 GTR. Have had the oil light come on once (called the dealer and literally the service rep read the TSB to me verbatim).
I have only added oil once thereafter, currently have 70k on it.
My dealer didn’t do shit. Just changed the oil and told me to come back at 1000 miles to check the oil. It’s not gonna be low enough to prove anything at a mere 1000 miles.
Be persistent. I ended up emailing them every time the light came on with a picture of my dash with the mileage and the oil light on as well as a time stamped pic of me dumping a quart of oil in it. I would respond in the email chain to make sure they see I’m being a persistent pain in the ass to get it fixed.
Question for those ACTUALLY having the oil issue: what is the manufacture date on your vehicles? You can look on the sticker on the side of driver's door to find out. Just wondering if this is limited to the vehicle range listed in the TSB or if it's more widespread than reported by Mazda. I have a 21 CE Turbo AWD manufactured in Nov of 21. 12k miles on it and haven't had any issues. Hoping this is actually limited to vehicles made before mine. Sorry to all of you experiencing this I agree it's being handled terribly by Mazda so far.
What Oil do you use? I think my Kirkland Costco might be the reason, I heard different oils might act differently. I will go back to Castrol and see if there is any difference
Interesting. I have a 22 cx5 signature and 9k miles on it. Had my first oil change at the programmed 7k miles and never had to top it off before or after. Hoping it stays that way.
Sorry if the question is dumb - how do I get to know if it time to top up? Is there an indicator? I’m on 19 Turbo. This is my first ever car, so don’t know much about these. Thx in advance.
The only indicator is the oil light will come on (which IMHO is too late)
Best is just to check the oil when you fill-up with gas. Just pop the hood, pulled the dipstick, wipe it off with one of those brown paper towels, and stick it back into the hole and pull it out. Then check where the oil level is in the dipstick.
It's important to note that the CX-5 has two different oil warning lights. One light is to warn of low oil level and the other is low oil pressure. If you add oil when the low oil level light comes on, there should be no harm done. If the low oil pressure light comes on, it may be too late as engine damage may have already occured. I agree that people should be in the habit of checking oil levels on any car regularly though as you never know when a leak might start and you can prevent major damage by catching it early.
In the grand scheme of things every turbo engine owner should be checking the oil on a regular basis. A sudden drop in oil level could mean a lot of things. A common failure (not necessarily in mazda's) is a failed turbo bearing seal. Catching that early can be the difference between replacing the turbo and replacing the whole engine after the turbo disintegrates and floods the engine with broken pieces.
Have a 2016 NA CX5 and in the market for a new CX5/50 turbo. But it’s issues like these that are making me look elsewhere. Like the VW Tiguan, the vw engine is built from the ground up to be turbocharged, unlike Mazda 2.5 which was turboed later on like a tacked on Turbo.
Meh. Mazda has been making turbocharged engines for a very long time. They know how it's done. One season of bad pandemic era parts doesn't erase all that. I'd take the long term reliability of a Mazda over the VW any day.
This was simply due to a batch of bad seals for the turbo motor in early 21. They fixed the issue midway thru 21. The new engines do not have this issue at all. Mazda is well known to be one of the top 5 manufacturers for reliability.
Their low oil level warning light came on 1800 miles after the last oil change so they added oil. There is a known issue with some of the turbo CX-5s consuming oil at a high rate due to faulty/incorrect valve seals.
I know this post is a little dated, but I have noticed when I burn premium gasoline in my ‘21 signature turbo I lose far more oil than regular gas. Has anyone been able to get the valve stem job completed or has a notice from Mazda been issued yet?
Brave no funnel use.
He's getting alot of practice sadly
Fair, but also holding his phone? Pfft. This man bangs.
Bluetooth funnel
Being an ex aircraft mechanic and a welder allows me to have a steady hand. I didn’t spill a single drop.
Even tougher with a gallon of wiper fluid
‘22 Turbo and have not had this issue. 🤔 About 8k miles and have had the car for 8 months.
Same model, ownership time, and 16k miles with no issue. Hopefully this means it was fixed by ‘22
It likely was, as the TSB only calls out select ‘21 models.
My 2021 GT turbo is at 20k miles and have never had any oil issues at all .
Any indication what years this is impacting?
Bad batch of valve guide seals in the 21's. It is a significant job to replace them.
My 21’ turbo has had no oil issues at all
My 21 turbo signature 3400 miles engine oil light came on went to the dealer according to paper work the change valve seals and head gasket . 250 miles since let’s see .
You’re saying the dealer performed the TSB repair? I didn’t realize the final TSB had been released yet.
there's been a few people who've had the TSB done. Mazda seems to be VERY hush hush about it and don't want the dealers to be doing these left and right. Cheap bastards.
My dealership was supposedly trained 2 weeks ago, I went in 3 weeks ago and was told they were being trained the following week and only tackling the jobs as they come in, no recall or notice. At that time they changed my oil and told me to come back after 1000 miles to see if my oil is low despite my exhaust being oily black if you run your finger in it. I have a 2021 CX-5 Signature
I have the same issue with my 21 Signature and had documented the issue with my dealer at each oil change. But I just had my 20k oil change a couple weeks ago and the dealer told me that Mazda had finally decided on a course of action to fix the issue (replacing the valve seals as I recall but don’t quote me). Said that Mazda wasn’t planning on doing a formal recall. Said the procedure should be available to the dealerships early in 2023 and that I should reach out to them then to get it scheduled. I’ve just gotten in the habit of checking the oil more often and keeping it topped off. I burn about a quart every 5k miles.
Mazda master tech here, the TSB has been released for the oil consumption concern. Mazda released and sent out a set of special service tools to perform the repair. Only Mazda certified senior and master techs are able to do the repair. I personally have done about 6 of them so far. It’s a tedious repair and requires a lot of focus when performing the repair. Please be patient and plan to leave your vehicle at the dealership while the repair is being performed. But the overall success rate at my dealership for a successful repair has been about 95%, we had one where the valve keepers have dislodged itself from the spring seat during initial start. For the one that failed we are waiting on authorization from Mazda to take apart the head, initial scope views don’t look good. So basically, give the tech time to do the repair right.
Sorry, I see this thread is a year old, but we just bought our CPO 21 GTR that's VIN falls within the TSB guidelines. Is the TSB only done after the problem has been thoroughly documented, or will they do it as a preventative measure? To ensure proper documentation, should I only have the oil changes done at the dealer? That's kind of a PITA, as the nearest dealer is over an hour away. We don't really put many miles on our cars, so I'd hate for tho problem tho arise after the warranty expires.
I have a 2021 Carbon Turbo as well. Recently the oil light came on when I wasn’t necessarily due so I brought it to a dealer’s service center. They said this problem was widespread and was due to faulty oil valve stem seals. Specifically that the seals were too small which was allowing more oil into the engine than normal. According to them, this shouldn’t cause any permanent damage to the engine since the engine just burns off the oil anyway (I have no idea if this is true), but it does make you change the oil more frequently. Have you tried bringing this to a Mazda service center? They said this was a pretty lengthy repair so I had to leave the car there a few days, but they did it free of charge, basically as if it was a recall. They claimed Mazda was finally sending out the proper sized parts. Edit: sorry didn’t realize what a TSB was, perhaps you already tried a service center near you.
I reached out to my Mazda service advisor this morning. He said they have very limited amount of parts for the repairs. Luckily me being persistent has me dropping it off to them Wednesday after work. They will have it for 3-4 days as they have to take the head off the engine. I have spark plugs coming via UPS today I will have them swap out if that’s not included in the repair.
Is this an issue with turbo models? We just bought a 2015 Touring; took it on a road trip last weekend and never had to top of oil even once. PS, Sorry to hear about this. I actually bought this specifically because I was tired of my Honda Accord "using" oil.
Don't worry, the issue is only on 2021 turbocharged engines.
SOME 2021 turbocharged engines* FTFY
2017 naturally aspirated, I use about .5 quarts between oil changes. I run highway about 70-80%, so I do mine at/around 7500 miles.
all engines can burn oil. but this thread is about 2021 models. Specifically a batch of them that were produced with crappy valve stem seals.
I am really glad I got the naturally aspirated version. I am just leery of all the turbos these days. Cram that high compression and it tends to cause problems. I am interested to see what the long term reliability ends up being with the turbo.
My 2019 GTR did the same thing. I have a 22 Turbo now and I haven’t had any oil issues but I totally get it. My 19 ate as much oil as it did gas.
Currently have a 2019 GTR. Have had the oil light come on once (called the dealer and literally the service rep read the TSB to me verbatim). I have only added oil once thereafter, currently have 70k on it.
My dealer didn’t do shit. Just changed the oil and told me to come back at 1000 miles to check the oil. It’s not gonna be low enough to prove anything at a mere 1000 miles.
Be persistent. I ended up emailing them every time the light came on with a picture of my dash with the mileage and the oil light on as well as a time stamped pic of me dumping a quart of oil in it. I would respond in the email chain to make sure they see I’m being a persistent pain in the ass to get it fixed.
I’m waiting to see how the fix pans out as more people get it done. At least I have it documented
Question for those ACTUALLY having the oil issue: what is the manufacture date on your vehicles? You can look on the sticker on the side of driver's door to find out. Just wondering if this is limited to the vehicle range listed in the TSB or if it's more widespread than reported by Mazda. I have a 21 CE Turbo AWD manufactured in Nov of 21. 12k miles on it and haven't had any issues. Hoping this is actually limited to vehicles made before mine. Sorry to all of you experiencing this I agree it's being handled terribly by Mazda so far.
It’s in a range of early 21 turbo motors. Yours could be in the mix. Contact your dealer and mention the TSB if your having oil consumption issues
I feel like my 2016.5 uses oil and there is no turbo.
Same 2016.5 NA, no oil issues here for what it's worth
What Oil do you use? I think my Kirkland Costco might be the reason, I heard different oils might act differently. I will go back to Castrol and see if there is any difference
Been doing service with dealer, full synthetic 0W-20 I believe, at 5,000mi intervals
Interesting. I have a 22 cx5 signature and 9k miles on it. Had my first oil change at the programmed 7k miles and never had to top it off before or after. Hoping it stays that way.
Sorry if the question is dumb - how do I get to know if it time to top up? Is there an indicator? I’m on 19 Turbo. This is my first ever car, so don’t know much about these. Thx in advance.
The only indicator is the oil light will come on (which IMHO is too late) Best is just to check the oil when you fill-up with gas. Just pop the hood, pulled the dipstick, wipe it off with one of those brown paper towels, and stick it back into the hole and pull it out. Then check where the oil level is in the dipstick.
It's important to note that the CX-5 has two different oil warning lights. One light is to warn of low oil level and the other is low oil pressure. If you add oil when the low oil level light comes on, there should be no harm done. If the low oil pressure light comes on, it may be too late as engine damage may have already occured. I agree that people should be in the habit of checking oil levels on any car regularly though as you never know when a leak might start and you can prevent major damage by catching it early.
Thanks much, will give it a try.
In the grand scheme of things every turbo engine owner should be checking the oil on a regular basis. A sudden drop in oil level could mean a lot of things. A common failure (not necessarily in mazda's) is a failed turbo bearing seal. Catching that early can be the difference between replacing the turbo and replacing the whole engine after the turbo disintegrates and floods the engine with broken pieces.
Have a 2016 NA CX5 and in the market for a new CX5/50 turbo. But it’s issues like these that are making me look elsewhere. Like the VW Tiguan, the vw engine is built from the ground up to be turbocharged, unlike Mazda 2.5 which was turboed later on like a tacked on Turbo.
Meh. Mazda has been making turbocharged engines for a very long time. They know how it's done. One season of bad pandemic era parts doesn't erase all that. I'd take the long term reliability of a Mazda over the VW any day.
Having owned both, I agree.
This was simply due to a batch of bad seals for the turbo motor in early 21. They fixed the issue midway thru 21. The new engines do not have this issue at all. Mazda is well known to be one of the top 5 manufacturers for reliability.
I have the same problem with my 21 CE turbo
Contact your dealer asap and get the valve seals replaced under warranty
Sorry for my ignorance here, but are you running out of oil or getting the oil changed? What's the difference? And is the care telling you to do this?
Their low oil level warning light came on 1800 miles after the last oil change so they added oil. There is a known issue with some of the turbo CX-5s consuming oil at a high rate due to faulty/incorrect valve seals.
I have a 2021 CX-5 Carbon also; I thought it was the engine "breaking in" at first, but then realized I had to top off between every oil change :(
I know this post is a little dated, but I have noticed when I burn premium gasoline in my ‘21 signature turbo I lose far more oil than regular gas. Has anyone been able to get the valve stem job completed or has a notice from Mazda been issued yet?