July 4th weekend Saturday night teardown. Here we go. Our boy always looks out for us.

Cool video! It's weird, I work on cars all day at work, then come home and relax watching other people take stuff apart. Lol. One thing I did notice is, how you still, even if it's junk, you still loosen the head bolts in sequence. That's pretty cool, like muscle memory takes over. Keep up the good work!!! And thanks for doing the videos.

@nakedzebra67

3 жыл бұрын

It's not muscle memory. Those parts are still good😜 of course he would save the head.

You're very entertaining, Eric. Don't let your imminent success go to your head and ruin your humility. Best wishes.

Honestly all in all it's not a bad motor. 150k on my 08 and it's going strong. MAINTENANCE MAINTENANCE MAINTENANCE. that's all I can say

Great timing chain info. I asked my mechanic when I got my 2010 Mazda 6 @ 42K when will I have to do the timing chain, he said never. Right now I am at 329K. Runs very well. That’s 329,000 miles BTW.

Your videos are one of my favorite to watch. Every time you have a tear down of any engine it's the first I click on. If you could do 3 or more a day I would watch every second of all of them. I know im not alone on that statement. It could be 5 LS engines a day I would watch every one of them. There are other content creators doing same thing on YT but for whatever reason they are not you doing them. I enjoy yours a lot more. Keep em coming

I suspect whoever bough that engine decided to change the balancer and lost cam timing. Those 2 tiny knicks in the piston is where they met. A stupid idea of not using keys as manufacturers have done so for well over a hundred years.

@redtobertshateshandles

3 жыл бұрын

Planned obsolescence. The m.....f.....ers.

@Velkanis

2 жыл бұрын

im a whole 3 months late but here i go: a few years ago we had a cx7 with one of these in the shop that needed valve seals and someone had the brilliant idea of pulling the head, just marking the chain timing with a paint marker... little did he know that the crank sprocket was free floating where only keeps its position after the balancer is tightened to 90ft lbs and the crank has to be locked in place by the firewall side in one of the counterweights from the side of the block... long story short that was 8 exhaust valves and 2 intake valves for a whopping total of 1.5k only on valves on us... and the turbo was leaking a little from the front impeller... after that i sworn to never repair a ford for cheap nor to own a ford or ford related brand ever, sorry for the added salty rambling, cheers!

@robertf6344

2 жыл бұрын

Can't imagine what sort of brain thinks, Oh just tighten the balancer pulley tight enough and everything will stay in time.... lol

@Samiam_ariel

Жыл бұрын

@@robertf6344 im 3 for 3 never had one come out of timing if you tighten that bolt right

@pingpong9656

3 ай бұрын

It's beyond dumb - you have to dismantle the high pressure fuel pump and a host of other pieces to insert a timing plate... cost of machining a key would no more then the diamond washers they use

You are an asset to KZread I've viewed many and people could learn from presentation. Clear, informative, good pace, additional information and what to look for, cause and affect, thorough. And not monotoned. Thank you

In case anyone was wondering, the W on your oil does not stand for water 😂😂😂😂

@jnordne2

3 жыл бұрын

You learn something new every day

@cincinnatibob37

2 жыл бұрын

I use 0W-20 just in case. 0W means zero water right?

@wallacegrommet9343

2 жыл бұрын

Stands for winter?

I have this same engine setup in my cx-7 almost 300,000km no issues yet. Their not bad if you maintain them

@texasslingleadsomtingwong8751

3 жыл бұрын

Hush. Don't be telling everyone the secret to engine longevity

@NixonAngelo

3 жыл бұрын

My MS3 has 220k miles with all original components and it's still going strong

@brendanmyrick9466

3 жыл бұрын

@@NixonAngelo oh shit! Mines getting close!

@PacoRobbins

3 жыл бұрын

Mine made it to 86k miles before it grenaded itself. But it was fun. I was making over 380 at the wheels when it blew.

@pingpong9656

3 ай бұрын

Is it a 2.3L Turbo though?

Yea!! Trying to find something to watch on tv nothing good. Glad you posted A video. 😁👍

Owned a speed 3 for a number of years. I had a tuner and ran like 21 lbs of boost and had a turbo inlet and mazdaspeed intake. The thing was a ton of fun to drive. I beat that thing up for 80k miles and the only thing that went wrong was the starter cable came loose and had to be fixed at the dealer. There was also something that had to be done under warranty for the transmission. I even got a new clutch out of it. Ran 13.9 at the strip and got it to 150 once. Lol maybe I was one of the lucky ones?

@Samiam_ariel

Жыл бұрын

Omg you took it to the dealer for them fix that little connector right

@Eelgnotsa

7 ай бұрын

No you wasn’t, have heard a lot of good things about this engine.. I had a Mazdaspeed protege with a FS engine, which is a little weaker than this told this one didn’t have a problem with it. Please note that the MT 24 weather tech car engine was based on Mzr Mazda win some races with it and almost won the championship came in second

Great video! I own a CX-7 with this engine. Had 94K when I got it as a one owner, now has 154K and is still going strong. Hopefully it will for a while longer.

Enjoy seeing different engines internals and finding damage, I've learned alot. Keep them coming.

Got a mazdaspeed 3 with 211,000 miles on it so far without a rebuild, so id say thatd a win for a turbo'ed 4 cylinder

Eric, you should do a post edit and explain what killed it, then put on a pair of sunglasses like Horatio Cane in CSI: Miami. Like for the Escalade engine "A lack of oil and maintenance caused this engine to put a rod through the block. That's when murder......came knocking" then a quick blurb of the theme song. I don't know. Sounds goofy but watching these and figuring out where things went off the rails or killed the engine is the best part of guessing. The OG's will light up the comment section within minutes of the video coming out saying what our predictions were. That's the fun.

The best Saturday night bedtime stories!! Thanks.

That self-clearing timing chain option. I’ll be looking to see more of that in other engines. Innovation by engineers continues to amaze me.

@nakedzebra67

3 жыл бұрын

?? Your being sarcastic right

@nativeoutdoors1780

11 ай бұрын

​@@nakedzebra67I'm glad he didn't respond because he obviously is

That was the best looking parts engine I've seen you take apart.

Although I've never had a turbo MZ 2.3L, I owned 3 different 1st gen Mazda 3's with the naturally aspirated 2.3L/manual trans, and each went well over 200K miles with routine maintenence. A thermostat here, an alternator there, etc. I was an owner/operator bank courier, going about 65K miles a year. I changed oil at 5K intervals.

I bought a brand new Mazda cx7 back in the day and loved it!! Didn't get a year out of it before the turbo blew. After some research I found out these motors were garbage and got rid of it before it blew again!!

I’ve owned 2 Mazdaspeed6! One abused and one taken care of! Even the abused one was reliable never left me stranded! Problem with UsA is your bad fuels! We put RON99 in our cars in Europe and they never blow up!

Hurray, it’s tear down day. The best 4th gift for an old man. Thanks. Be safe. Peace

The crazy thing about the timing chain is that owners have figured out you can use the timing chain from the Ford 2.5 Duratec which is a heavier chain and it will run on the 2.3 MZR just fine. So it's not even a packaging decision

I appreciate everything you do you teach me everyday even though I have to watch your videos multiple times but what I can teach you is WD-40 goes a long way

I have an '08 2.3 non turbo and the only issue with changing the timing chain is having to move the passenger CV axle out of the way in order to put in n the timing tool. Overall the only suggestion I would make to anyone in order to get the proper torque on the crankshaft boltt is to use a flywheel lock. And also for taking it off because trying to use a spanner took or crankshaft pulley tool is a pain. Unless you know how to fabricate something to hold it because that the last 90° turn takes a lot of torque to get that bolt to move. And I'd apply semi permanent glue as well just as a precaution measure since thats all that's holding it all together as he mentioned. It's a basic engine. And I do agree about the timing chains that they are pretty light. And you'd think they'd have made a beefier one for the the turbo model but I see that's not the case. .

I had a Mazda speed six, was a great car, sleeper, surprised many a BMW

@kelly00000111111

3 жыл бұрын

I had one too, was an awesome ride, but kept having issues with the rear diff and diff mounts breaking.

@wtfiswiththosehandles

3 жыл бұрын

Me too, but it was rotting away soooo quickly. Seriously, it felt like it had zero rust protection.

That timing chain comparison is legit. Tiny ass chain for what what it’s being asked to do! Good job on the improvements and taking biases and personal opinions out. Subbing now 🤘🏻

@byteoncomputerservices8054

3 жыл бұрын

There's nothing wrong with the chain. It's a different design to the standard LF/L3/L5 engines which don't contain particulate matter in the oil due to the fact they're port injected and not GDI, the chain on the GDI L3-VDT is a roller design and contrary to popular opinion rarely stretches, roller designs aren't weaker than the multi leak design, they simply handle the increased friction as a result of increased particulate matter in the oil better than the chain used on the LF/L3 and L5 engines. What happens is the pin locking the internal stator in the VVT actuator wears and fails resulting in the stator moving in relation to the outer housing as oil pressure bleeds off giving the impression of chain stretch when it's just a worn VVT actuator. I've worked on all Mazda engines from the B3/B5/B6 and BF engines right through to FS and KL/KE (and other V6 designation) engines and the Mazda MZR/Duratec engines really aren't that much harder to time considering they use chains and not rubberised/Kevlar belts.

Like your comments on engine design matters, keep them coming even if they involve complaining.

Nice, really good start of the day watching engine being torn down :)

I really enjoy these teardowns. I’m sure why. Maybe because each one tells a story about the life of an engine.

It's so weird that Nissan uses the same chain for their engines' timing system and the pulley system in their CVT's. Probably why their CVT's are widely considered the most reliable. sArCaSm

@I_Do_Cars

3 жыл бұрын

😂😂😂

@prevost8686

3 жыл бұрын

May God forgive you fer lying.😇😇😇

@alouisschafer7212

3 жыл бұрын

Mazda really went to shit didnt they? Half of the stuff they offer these days is crap.

@water892

3 жыл бұрын

@@alouisschafer7212 Mazda doesn’t even make or use this engine anymore. This engine was made with collaboration with Ford and was poorly engineered. Their current 2.5L is very reliable and does not have that many issues. Do some research before you talk, you’ll sound less stupid.

@markd9130

3 жыл бұрын

@@water892 The 2.0 and 2.5 Skyactiv engines have been around for about a decade. Also the 6 speed automatics. They don't have many problems. The information is out there. Also, I own a 2016 Mazda 3, 2016 CX-5, 2018 CX-5. Nothing but routine maintenance. I put about 30k miles/year on the Mazda 3. The M3 has averaged about 41 mpg over 130k miles...mostly easy rural driving at 55 mph.

Wow, 1.6K likes and 9 dislikes. That's a ratio you don't see often, says a lot about this channel and its quality of content.

I'm guessing Mazda fixed a lot of the issues with these engines. I was watching a repair video, from Mazda, on the Skyactiv and the specifically pointed out the crank was keyed unlike the old engines, and that it was very easy to time.

@dacoda6668

11 ай бұрын

No! The problem is US gas quality! We put over 200K miles on the speeds in Sweden! The only thing kills these cars is rust!

Am really enjoying the variety of engines you are doing - have learned HEAPS I wouldnt have found out otherwise - good job sir!!

I would really like to see a 2.7 ecoboost engine tear down. 2015 f150. Love your videos man, Don't stop!!

The lack of keyway on the crank sprocket is something I personally have never understood. Maybe it was a cost thing? Worst part is that engines derived from the Mazda L family(specifically, the Ford 2.0L Duratec and EcoBoost) still retain this quirk.

Interesting tear down. The MZR has had a long history with Mazda making some serious mistakes that have haunted the MZR with many failing at relatively low mileages. The Honda engineers completely shame the Mazda engineers when it comes to designing motors. Honda 4 cylinder engines make more horsepower per liter and yet have far fewer problems.

@alouisschafer7212

3 жыл бұрын

Honda leads in the NA 4 cylinder department.

@polaridoo1

3 жыл бұрын

Honda does some really good stuff but let's not give them a total pass either. Around 2006, the cracked Honda Civic blocks come to mind.

@sharedknowledge6640

3 жыл бұрын

Alan Eliason I wasn’t trying to give Honda a total pass but most of their 4 cylinders are very solid. Some survive being boosted to 1000+ hp. Their are issues with their 3.5 liter V6.

The space for the timing chain is the same on the 2.5/2.3 N/A engine as the 2.3 turbo engine. A lot of people are swapping 2.5 block's on their speed cause their cheaper and they fit.

That is from a Gen2. The piston and con-rod design differs. Not bad for a primitive platform. Over in South East Asia the prices just for the engine and manual trans from used dealers is holding up and the Gen2 are costly.✌

Your tool holes on the block are actually used as location holes for all the machining of the block. Every machining process relies on those two holes... The holes are the first machining process from the raw casting...

Your channel is WAY underrated. You kind of remind of the Discovery Channel's Dr. G Medical Examiner only you do autopsies on engines instead of people. Back in the 80s Mazda made sweet 2 liter 4 cylinders so it's a shame to see where they are now.

@MarcABrown-tt1fp

3 жыл бұрын

Their latest SkyActives seem pretty robust, so far my fathers 2019 MX-5 is still running like new after 100,000 miles. granted my dad takes good care of the oil changes.

“Built in tool holders” 😂😂😂😂😂😂 That’s hilarious!

Canister filter , probably another minivan engine, judging from the varnish inside. My MS3 is over 200k, but it always had M1 and good filters on it. This engine will not tolerate indifferent maintenance .

Dude love your channel, keep up the good work.

i love watching these vids, such great information even if its not the same engine i'm working on

I’m probably talking out my ear, but the Nissan chain looks like a link-belt type, and the Mazda looks like a true roller. Despite the “weight” differences, the Mazda chain would be the superior unit. Roller = less weight/friction, and that should mean higher revving and less “stretching”…

@texasslingleadsomtingwong8751

3 жыл бұрын

I'm now curious to the technical differences, and may need to throw toyota and Honda in my mix for extra education on belt engineering

My personal thought , that block does look salvageable . A good bore and hone job and it most likely be good to go .

My old 323 wore out a chain. I think it's a Mazda thing. I like Toyota's and Suzuki's.

My 08 MS3 has 220k miles original everything and it's running strong

Thank for another video about the teardown down on a Mazda engine.

Nice video Adam Sandler

I think, if you ever decide to quit turning wrench, you have a future in Stomp. The wood block percussion while turning the crank was rhythmic.

8:11 If peeing your pants is cool, consider me "Miles Davis"

@A92CB7

3 жыл бұрын

Billy Madison, classic🤣🤣🤣

I'm glad you took my suggestion and eliminated the whole talking like a chipmunk thing it is beneficial to you and me and everything around us both you have immense knowledge of how these things work and how how these things fail it teaches all of us to look for possible disaster problems in the future it helps us all I'm glad you took the time to slow down the speed capture to explain what you're talking about as you do it cuz it means a lot as you're watching it and you here on comprehensible verbal language of something you can't understand you don't know what you're missing thank you for taking the time

I'm gonna stay tight lipped.... Okay, that might be a lie.... Heh heh heh! I enjoy the commentary... That's how we learn... Keep it coming....

That Z3M 😍😍

Wish I had the pictures of my DISI when my friend pulled it after it blew. Had like 3 baseball sized holes in the block.

I find it curious that you will announce that you know nothing about an engine but then go on to list all the parts that have to be removed before some other part can be detached. Regardless, I love the mystery that your teardowns create as to why an engine sits under your wrench instead of under a hood hauling some boozer to the local boozery. Can't get enough.

Put a few bolts in the crank and use a prybar between the bolts to turn it over next time 😉

you gonna love toyota 1GR - FE

Nice one dude glad you got some good parts from it? Please make more videos they bring me joy from the crazy world and the crazy wife I live wit? Keep safe dude

530 full synthetic, premium gas, and a heavy foot is all you need to keep em running.

@tashey1203

3 жыл бұрын

Premium gas what tha fuck?

@X11CHASE

2 жыл бұрын

@@tashey1203 correct.

Tool holders? I'll have to check it that out next time I get a chance.

Do you ever see Audi 2.0T engines? Could you tear one down for us sometime? Keep up the good work!

Thanks for another great tear down

My dad has been a Mazda Master Tech for over 30 years. He said that this engine in the MazdaSpeed 3 and Speed 6 rarely, if ever fail. He's never personally seen one in either of those vehicles. In the CX-7's they're almost ALL junk!! Reason: People who one the Speed vehicles SERVICE them. They do it often and with quality lubricants. Most CX-7 owner stretch the intervals to the MAX or more causing the VVT issues and the turbo failures! Do oil changers every 3,000 miles ............. no problems! Every 6,000 or more ............. = fried motors.

@byteoncomputerservices8054

3 жыл бұрын

And from one Mazda Master tech of 23 years to another, your Father is 100% right. I have no idea why it's the case, but CX-7 owners simply refused to replace the oil every 10,000 klms or 6 months. In the early days of GDI turbo engines especially, changing the oil on time was of the upmost importance. Even these days with SN grade oils you have to change the oil 'no later' than 10,000 klms or 6 months. Due to the fact CX-7 owners just couldn't seem to change their oil, turbo oil supply lines clogged solid with carbon wasn't uncommon. I change the oil in my MPS every 5000 klms, currently at 270,000 klms on the unopened engine no problems.

I'm not much of a Mazda fan, but I will say, those were some beefy looking rods. The big ends had a lot of meat around the bearings.

@loganamurray64

Жыл бұрын

Don’t need to be one, it’s basically a Ford engine anyways. And yeah the rods are strong but they’re genius over at Mazda/Ford and if you boost under 3k you can bend up

I nervously watch this video as I baby my MS 6.

Hey Eric, like your vids, could you do a few on salvaged parts that are ready to ship? Especially Blocks.

looks like a short block at least. not a bad find.

Seeing "Mazda" in the title, i wish it was another Rotary engine.

Would it be possible for you to tear down a 2.0L EcoBoost at some point? From what I understand, they're pretty heavily derived from the Mazda 2.3L Turbo.

@loganamurray64

Жыл бұрын

Ford 2.3 turbo* everything on yhis engine is stamped with FoMoCo

@CaptainSpadaro

Жыл бұрын

@@loganamurray64 still derived from the Mazda L block.

Like Christmas day , lol

I like how you just don't hold back on these engines "tool holders for your tools... Because you're always going to be working on it" 🤣 I own an 07 ms3 and can confirm about the timing issues lol

These engines were screwed by ford ..the first 2 years 06-07 seen multiple cheap out design flaws .back in the day ford bought Mazda's engines ..then Mazda tried saving $ and contracted engines out ..they got royally raped ..I've fixed a few of these now best to ditch the factory block and swap out to a L5 block ..far superior with 4340 rods and 3 peice oil rings ...8x stronger timing gear assembly 50%wider cam teeth ..and the vvt unit has bigger locking pin made from decent steel as well as the vvt unit itself..the older non ford Mazda L3 engines had better timing gear and chain than what ford used ..ford putting a low price on lives since forever

@byteoncomputerservices8054

3 жыл бұрын

The L5 engine is weaker than the L3-VDT, the L5 engine is the MZR/Duratec engine built more for economy than outright power. The L5 has a weaker block that hasn't been cast using the same process as the L3-VDT (which is also, therefore, a different part number than the standard L3), the L3-VDT has cooling jets for the undersides of the pistons which the L5 does not have. The L3-VDT also has better hyperutectic pistons and sinter forged rods which the L5 does not have. The L3-VDT also has bigger fully floating wrist pins compared to the L5 as well as bigger big end journals than the L5. The L3-VDT also has a forged steel crank which the L5 does not have. As I mentioned above, the chain on the L5 is totally unsuitable for GDI application due to the higher particulate matter present in the oil of the GDI L3-VDT - Hence the reason the L3-VDT runs the lower friction roller chain. Also the longer stroke of the L5 makes it less suitable as a performance engine and the increased bore size make the chance of LSPI far more likely due to the increased time for the flame front to cross the combustion chamber in an engine with cylinder pressures as high as many diesels. The L3-VDT is also not available in any Ford and the actuator was really only an issue on the early L3-VDT, having said that I'm up to 270,000klms on the L3-VDT in my MPS and the engine is unopened and a first generation 2006 model. Both the L3-VDT and the L5 use two oil rings seperated by a seperate spacer no different to the L5, however the spacer in the L3-VDT is a one piece spring. I've got a partially built fully forged engine here, I can show pics if needed.

Send it my wayy i need a block to build with forged internals

I'm confused. You can easily just polish those cams with a Terry cloth? Cams are usually really hard metal and rarely actually pit from rust.

Cam chains: thinner are lighter and speed up more quickly under accel. Those chains are fine for the purpose.

@alouisschafer7212

3 жыл бұрын

Nah. There is a lot of load on those chains driving the valvetrain at a few thousand RPM. Id rather have stronger chains than undersized chains.

@byteoncomputerservices8054

3 жыл бұрын

The chain is specifically designed for high particulate application and can handle the load of the HPFP just fine. The problem is morons that can't tell stretch from a failed VVT actuator locking pin.

Water intrusion from a cracked block. It was out of warranty so they purchased a salvage yard engine which also cracked. Not an uncommon issue with those nasty little things.

Hello.. I've seen you scrap these Mazda L3 engines.. very interesting.. I'm fixing to to a build over of a LF engine that shears some of the measurements as this one... If you don't mind.. I'd like to get the depth of the Piston cylinder from the deck of the block to the bottom of the cylinder and spacing of the narrowest point between the cylinders or the thickness of the cylinder wall... I'll greatly appreciate your help... Thank you...🙏

In relation to the heat tab. Isn’t it possible many years ago someone bought this used engine installed it in a car. It could have powered the car for many years before it failed and you got it.

Yay - Toyota bolt !

Oh and timing is dead easy ..thin steel plate on back of exuast cam to keep timing ..bolt in back of block for tdc and that's it ..I can do timing chain and vvt unit in one of these in the car still in 4 hours

Im leaking from timing cover, will i need to retime? Probably right since the friction easgers have to come off

my mazda speed 6 engine has a tapping noise, i just changed the bearings but its still there. any idea what it could be?

These engines run forever if you maintain them properly. I don’t know why you hate on them so much.

What can couse the engine to smoke a fter changing engine oil

Great video.

6:55 That chain looks like it came off of a motorcycle. To say that you couldn't just throw a stronger chain at it seems really strange, especially considering its importance.

Hey Eric, I recently purchased a mazdaspeed3. The guy says the engine trans and turbo are new and has paper work to prove it (about 17k on each). He has a bunch of bolt on stuff and a couple different ots+ tunes. Any extra steps I should take besides oil changes to ensure the reliability of it?

I havent watched far into the video but you can see the valve cover has previously been timing chain clearanced

First gen 3.4 Toyota Tacoma/4runner engine please!

Question: Do you pay less for an engine that has been sitting outside, has questionable background or is missing parts like this one?

@I_Do_Cars

3 жыл бұрын

Typically no, because a lot of these get shipped in. It’s a mixed bag. If one is really bad or missing major parts it’s usually cheaper

Theyre notorious fr crapping out

Why don’t you like carquest oil filters? From what I can see the inlet holes looks like it from purolator. In that case i would stay away from as well

This is why Mazda broke away from Ford so they could do their own thing. They knew Ford engines were sub-par. MRZ engine is really just a Ford.

@thesorrow619

3 жыл бұрын

Every part on my speed says Fomoco 😂

@mrdumbfellow927

3 жыл бұрын

The first 2.3l in the mazda 3 and 6 was ford and they are bulletproof ! I don't have any experience with these direct injection mzr though.

Can you doe a teardown on a Suzuki xl7 2.7 2002

Literally between the first MZR you posted and the this one my Speed3 overheated lol, seems to be okay though, still gotta change a thermostat :(

@thesorrow619

3 жыл бұрын

Lol just changed mine and it’s a bitch in the first gen

Can you pull down 3L 1kd toyota prado diesel