How Lack of Maintenance RUINED This Mazda Engine - Low Mileage Is NOT GUARANTEE For Reliability

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[@Flyboy1066]

People don’t realise how important oil service maintenance is ,,,

[@AndrewSowerby]

I had the 2nd gen Mazda 6 with the 2.2D MZR-CD engine. It had the X mark on its dipstick too, like a BMW 5-series, and I used that to keep an eye on oil dilution. The short trips around the time of covid (with the lockdowns and all the fun of not being able to go more than 5km from your house, etc.) was when I noticed that oil level increase more quickly, and that was the only time I HAD to do a very early oil change (after only 6000km or so). However, the timing chain was the thing that really used to suffer on that generation of Mazda diesels, and the chain on my was getting very worn from about 240,000km onwards. There was a diagnostic test you could run to get the angle of the chain to the camshaft (or something like that), and it had to be less than 10.45°. Anything over that, and it was time to replace the timing chain. I kept it at under 10.2° with regular oil changes and insisting the right oil was used, but eventually that chain was done, and the deterioration was quite rapid at the end and hard to prevent, even when you knew about it. I think Mazdas service intervals were too long (20,000km), and I bought the car when it was 4 years old, so a lot of the damage was already done by then. Still, I got 7 years of moderate yearly mileage (apart from in 2020, obviously) before that chain was toast. It was a pretty nice car otherwise, although the suspension components were a bit weak and lots of things needed to be replaced. As for the electronics, only the Bluetooth died. Everything else worked perfectly.

[@thetruth7633]

People do not understand city driving, small trips, towing = heavy use and should use the corresponding interval. Rule : Diesel 10000km, petrol 5000km or 6 months whatever comes first. Doing lot's of long trips, interval can be slightly higher.

[@memo313media]

😂whoshi whoshi sound!!! Overfilled oil will break the seal’s and damage the engine because it’s always overworking to reduce vibration’s No oil change means the engine will go whoshi whoshi 😅😂😂😂 Another amazing video🎉

[@MrNiceGuy94]

Unfortunately very true!

[@svenschwingel8632]

Small turbos can rev at more than 100k rpm easily. Good oil quality and a steady feed of oil is absolutely crucial to ensure that turbo bearings don't wear out prematurely. Also, warming up the engine and letting the turbo cool off before shutting the engine down are two very important aspects of operating a turbocharged engine.

[@Peter-f4o4z]

I got told by a mechanic here in Australia that that mazda diesel engine is basically rubbish, they fail on the head gasket have waste gate issues at low kilometres and the turbo is problematic on them to,. I was told by mazda Australia to use only 10/40W Castrol Magnatec and not the specified 5W 30W that mazda specify, apparently the cam shafts wear prematurely on them on 5W/30 viscosity oils

[@bellybell542]

You mean Mazda Australia deceived you, to intentionally destroy your engine?🤔

[@goingforwardmusic123]

It’s the luck of the draw if you get a good one brilliant but as any car if it’s not good then get rid of it I got a Mazda 6 2.2 diesel sky active it’s a taxi done nearly 130000 miles been serviced regularly and it’s fine I’m happy with it

[@ALX-z6i]

Thank you for your clear english.

[@MrNiceGuy94]

Hope my accent is not too strong :D

[@ALX-z6i]

@@MrNiceGuy94 You accent the best , unlike Kenney"s garage )

[@RGV2300]

I had one in my shop, the owner had rod knock due lack of maintenace. The guy was a 40yo with rich parents. He didn't have a job then, i was shocked when someone told me that.

[@yournightmare9999]

If he has rich parents they don't need a job

[@RGV2300]

@yournightmare9999 well, they are "rich", the father doesn't drive a porsche, they are just wealthy.

[@cr0driv314]

Hi guys, very good job that you are making 👌 i recently bought Mazda 3 with the same engine and it has same Problems (Turbo , Exaust Camshaft ist worn ) I already bougt the turbo with the camshaft ( Original Mazda ) but i can't find any Toque specs for the engine (Camshaft,Oilpump...) could you help me with some link or something where i can find the Specs? should i change the Timing chain too or is it good to go with it ? i want the car that will last at least 100 000km without some Problems:) the car is from 2015 with 194000km on the clock

[@DeansForestFlix]

Nightmare getting the torque settings, probably used 6 different sources in the end. I will see if I can dig them up.

[@svenschwingel8632]

You can find the complete official Mazda workshop manual for the Mazda 3 BM as a pdf download. I found it that way and it has all the specs in it.

[@Jordan-pc3li]

Good evening, in this video, are you using the xtool D7 or is it another model? Good luck to you

[@MrNiceGuy94]

the D7 ;)

[@Hungerys]

Listening to the beginning of the video I can't quite understand the problem, apparently it just seems to be the turbo that is charging or am I wrong?

[@MrNiceGuy94]

the turbine wheel is touching the turbo housing and that is making the noise

[@hicnar]

Can the factory oil pressure be increased by remapping and if so is it safe for the engine?

[@MrNiceGuy94]

Good question, want to find it out too.

[@a3c1m]

Only diesel, please tell something about 2.5 non turbo engine, im considoring buying one

[@svenschwingel8632]

The 2.5 Skyactiv is a reliable engine. But later versions can be annoying with the cylinder deactivation.

[@jonihaimakka]

In the beginning you said that the belt runs waterpump and you cannot drive if it snaps. That's not quite correct. Skyactiv engine has two belts. There's a separate more narrow belt only for the water pump. The main belt runs the alternator and air conditioning compressor. Without the main belt you can drive for a short period.

[@MrNiceGuy94]

Well, I was wrong as you can drive it till it stops due to overheating or lack of electric power. This is a skyactiv 2.2 diesel and it has only 1 drive belt which runs the water pump as well. I would bet my life on that, as at this point I must have done like 300 of them.

[@daves6851]

Good information. Thanks

[@MikeHawk4U2]

My turbo engines get oil and filter every 3k miles.

[@johnbiggs9561]

Turbos can spin at more than 150,000 rpm!

[@am2am2am2am]

Pure negligence 🙈

[@martinfinbarscully4924]

Excellent video , thanks

[@raycummings1309]

Very expensive fix, all for an oil change 😢