Mazda CX5 Exhaust Manifold Replacement
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- Опубликовано: 15 янв 2022
- This is a 2014 Mazda CX5 Skyactiv AWD model. The car was throwing a check engine P0421, we tried a couple other things, but the code stayed on. after doing this the light went off and stayed off.
* WARNING*
Do this at your own risk, I don't take responsibility for your actions. This repair should be done by a professional, in a professional environment. This video is for education purposes only.
#cx5exhaustmanifold #cx5P0421 #mazdacx5catreplacement 
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Here's the link for web instructions for anyone wanting to read them
www.mcx5.org/exhaust_system_removal_installation-1457.html
I am needing to replace the head gasket and am wondering if unbolting the exhaust manifold but not removing it gives you enough room to get the job done?
@corypeterson602 it should give you enough if I remember right. It had room to move around after being unbolted. There is just not enough room to come out of the top with it. So I'd say it would be fine pulling the head and just unbolting the exhaust manifold.
Had a P0421 on a AWD 2014 CX5. Tried the ECM Update due to the Mazda TSB. Update did not work. Ended up replacing this converter. Great Video. However, the service manual is quite wrong. Start by unbolting the engine motor mount. Let the engine rest all the way down. Then remove the Wiper Blades and the rest of the Cowl. This will give you plenty of working space from the top side of the engine and ultimately the Converter will come right up and out through the top.
I just did this job without pulling the driveshaft or loosening any sub-frame bolts.
Which motor Mount did you loosen to get the motor to hang?
It is safe to say no one is going to steal the cat off a CX-5.
My thoughts exactly!
I suppose there is a silver lining lol
Thanks for the video. I only wish I'd watched it before I started (and taken it to the dealership, haha), but it saved me some time figuring out I'd have to drop the subframe. Also the ratchet strap tip was very helpful!
Well I'm glad this was helpful. That was a lot of my time spent was trying yo figure out how to get it out.
Прикольно починил .Молодец
I’m just undertaking trying the remove a damaged turbo on my 2.2 diesel what a nightmare, I might as well rebuild the car so much has to be removed. I’m hoping I can some how remove the turbo from the top after trying to move the DPF out of the way a little it. I hate this car it’s been a thorn in my side since I got it.
Wow That's a fuk..... job to do . Good job sir
Whats the link to get the exhaust manifold part
What a job has been done!, but a question, beside the code, what else did you noticed on your CX-5, smell smoke inside?, loss power? fuel efficiency? ...
Fuel efficiency was down some along with power.
Great, real video! What other things did you try first? The O2 sensors? Do you think the P0421 was a failed catalytic?
Tried changing the spark plugs, and cleaning the maf. The O2 tested fine. So bit the bullet and changed it out. After replacing the manifold with the catalytic converter the code never came back.
@@stroomperformance Yeah, my 2013 CX-5 Grand Touring just threw that code yesterday. If I may ask, why did you changeout the whole manifold instead of just the catalytic?
@@MrMattDat the manifold and the cat are one. So replacing that manifold replaces the cat. Which makes the unit massive.
@@stroomperformance Ugh! OK, this just became a "pay someone else" repair. Thank you!
Perhaps people may be interested to hear that it was Mazda who, according to my research, invented the nano-catalyst, in 2009, and first used it on the Mazda 3, (or 'Axela', in Japan), which is on the CX5 as well as the Three-Way, Warm Up converter.
I hope you'll find my tremendous admiration for mechanics' confidence, and ability to concentrate from someone like me who knows nothing of mechanics encouraging. To work alone, and to have all that responsibility, as well as your own lives needs is very admirable. You are all terribly unappreciated. What a terrible shame the charlatan mechanics ruin the reputation your dedication and education deserves.
Thanks.
You don’t need to remove the bottom heat shield
how much does replacing this cost roughly. This looks intense
The exhaust manifold it's self is around $700-725 with the gaskets you need. If you pay someone labor is going to vary.
Was there any vibration and noise prior to replacing or just the code?
The code, and fuel milage wasn't as good. No vibration that I was aware of
@@stroomperformance Oh the irony, my P0421 tripped as well. Erased code, and its back after a week. Would you mind sharing how much it cost for the full manifold? Thanks!
@@interceptor847 it was around $725ish for the manifold and gasket.
@@stroomperformance Just to provide an update in case it helps anyone else too. My flex pipe, hanger right before bank 2 sensor, and 2 more places also had leaks, ended up replacing flex pipe and piping up to muffler, keeping original cat, sensor and resonator at a muffler shop. The code hasn't come back since. I am assuming the leaks before 2nd O2 sensor trips the false warm up P0421 reading. Mazda exhaust piping is pretty cheap! But she purrs like a kitten again!
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All data labor time to r&r cat on this vehicle as 1.6 hours. Total bs as per the instructions it says that the cross member (2.8 hours labor) also needs removal
🤣 that is bs. No wonder nobody wants to be a tech anymore.
How many hour do this job charge? Manifold Converter? 5hr?
Given I didn't have good information starting out. This took me if I remember correctly around 8 hours. But knowing what I know now, I might be able to do it in 3ish hours as long as everything went well.
@@stroomperformance how many hour shop charge?
Jack up door handle, replace car, lower door handle...
This seriously is one of the most ridiculous repairs I've done. It should be that much work for a simple part