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- čas přidán 14. 08. 2024
- Why Some Cars Have Timing Chains and Some Cars Have Timing Belts
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This is the people's automotive channel! The most honest and funniest car channel on CZcams. Never any sponsored content, just the truth about everything! Learn how to fix your car and how it works. New video every day! I've been an auto mechanic for the past 53 years and I'm here to share my knowledge with you!
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My fiat 1.3L diesel engine needs replacement of metal chain every 100K kms, as per manufacturer
How often should i change the tensioner
It's not just mileage, they need to be changed every seven years as they dry out, get brittle and snap.
In some engines the chains stretch prematurely.
I've seen some belts last more than chains.
Its cause they selling crap at high prices.
because they didn't get the proper lubrication
I’m guessing you work on a lot of GM and Chrysler products
@@benjaminnarbut8994 not really. The N57 from BMW can have problems if you don't change the oil every 5,000 miles.
@@mikelarry2602 belts that last 120,000 miles are pretty good though, and cheap to replace.
Remember folks, whenever ur changing timing belt or chain, also replace the Water pump! They usually come as a kit for most vehicles
Mainly timing belts. I changed mine on my 2013 ford fiesta along with the thermostat and housing cuz it was much needed cuz it had dried remnants of ethylene glycol and the gasket was flat to the surface and after that, everything ran fine and my car ran at optimal temperature
@@therandomizer9943wait... there's a belt on the Fiesta? Assuming it's the 1.3 ecoboost model. The 2.0 Duratec 4 cylinder has a timing chain, in the Focus and some Fiesta. That engine is a damn beast. My wife's Focus has nearly 400k... original engine.
People please find out I'd ur car has a timing chain or belt so no mechanical shop can rip you off. Chains are made to last thr whole duration of thr engine/car. Timing belt on the other hand should be at least check at 75k to 100k miles and change if necessary. Mechanics charge an arm and leg for these services. And always appreciate Mr Scotty, even these minute long video is really helpful to thr viewers 👍
Let us know how this leads to ripoff. Geesh im lost. Both are labor intensive. Knowing which one doesn’t save u money it just makes you more mad at your vehicle that you are at someones elses mercy on the repair
@@Bluenosedogmando you really want to spend money on something you don’t need?
Is the timing chain within the engine?🤔
I miss timing GEARS. Never break, never stretch, always accurate.
Yep wish it was like that now
Get a big diesel then it will be timing gear
@@joshfixall7938
I'm in Canada, maybe 2% of the manufacturers offer a diesel option.
@@shane250 stop driving a Santefe
NEVER!
Well...When I'll have the money for a Lexus 2014+ I might.
You forgot to mention replace the hydraulic tensioner at the same time when replacing the belt, check the idler bearings too…
That’s kinda self explanatory. They don’t even make kits without those parts.
No… you need to replace the water pump
Belt, water pump, tensioner and rollers. Just do it all while you’re in there
@@jeremyjeremy8795 facts
@@jeremyjeremy8795 some things don’t need to be fixed if they are not broken. Plus the belts are like 20$ or little more
One quick tip: Some older vehicles use the timing belt to drive things like the oil pump and water pump. On some older vehicles, like the older Hondas, it was also a wise idea to change the water pumps when you did the belt since the belt drove the water pump, and the pump itself is only about $100, but the labor to replace it (and the belt basically, because you have to take off the belt to remove the pump) is where much of that cost comes from (as I think it's about a 3-4 hour job on a 1990's era Civic at least). So check and see if that stuff is recommended (I always had my water pumps replaced when the belts were changed so I wouldn't have to worry about the pump going out between belt changes on my Civic).
Timing is everything.
Conor McGregor said that.
It is essential to change the timing chain and components on GM’s supercharged LSJ engines. They are known to go bad, the OE hydraulic tensioner had issues. If you don’t change the tensioner early enough, the chain can jump timing and this is an interference engine and you will bend valves and damage pistons.
Had a vehicle towed in with a timing belt that snapped while driving. While pulling it out there were all these perpendicular discolorations along the cracks... Turns out this customer was told to replace his cracking timing belt and he decided to "fix" the belt with superglue.... The glue actually deteriorated the rubber belt more! Now instead of replacing the timing belt he has to replace the engine!
Some people don't know how stupid they are.
That was kind of an expensive education for that guy.
“If it’s made right” laughs in ford, gm, nissan, bmw, and audi timing chains*
😂😂😂
Are their rubber belts ones then generally better than the chains ones?
@Tim29idlaughs in Broken 5.4 triton
Thank you for this scotty. I recently bought a '05 Lexus IS250 with 113,000 miles. Its got a timing chain.
Some cars from 90 with belts had cheap ones that broke at around 50 k miles like Ford Escorts with Exploder Engines
Every Honda/Acura V6 ever made had (and new ones still have) a timing belt. But they are still better than the Ford/Lincoln/Mazda DOHC V6 which although they have a Timing Chain, have chain stretch and failing tensioners well before 100k miles.
Hey bud..... Mazda is no longer ford. Some 5 years ago they went to Toyota
@@cactneir they weren't ford in the first place, ford had shares in the company but never had more than 33%, they did cooperate on a hand full of vehicles such as the ranger and shared parts such as engines and transmissions but its not as if you found ford parts in mazdas only, mazda parts wound up in fords as well
People outright denouncing timing belts are clueless, it's just more preventative maintenance. The first gen Tundra's use a timing belt, change every 90kmiles or every 7 years, my tundra has 270k miles on it, that's 2 belts. If you can't have preventative changes done to your vehicle twice over the course of 20 years, doesn't matter if you have a chain or not, you probably don't have enough awareness to make a vehicle last that long anyways.
A chain very well could be just fine at 300k. How much were those two timing belts? Yeah.....
@@rslover65The chain might, but what about the tensioner and guides? Those are what wear out, not really the chain itself.
Belt, water pump, tensioner and rollers. Just do it all while you’re in there. It’s about an $800 ish job at most shops…what does an engine costs if the belt breaks?
On interference engines it’s the whole engine unfortunately.
Not to be critical, but I expected you to mention the big WHY it is especially important to change those belts in an interference engine.
My 03 Toyota Sequoia agrees with you!
I expected him to mention timing chain tensioners and guides need to be replaced sometimes..
Scotty: Change your belt every 100k miles
Me: *Suffers ptsd from 99’ Honda timing belt change* How can a bolt be torqued down that much? Used a 3 foot breaker bar with a 4 foot iron pipe extension. Still took 3 people to loosen that bolt.
When u hear a rattle thats when the chain is streched and tensioner and guide rails are worn and can jump a tooth.
The main trouble is, a lot of modern timing chains are made of cheese!......... Give me a dry belt any day.
If you have a chain it will sometimes have have problems with the chain guides and tensioner pulley. Manufacturers like to cheap out and use plastic for the chain guides and bearings on the pulley can go bad.
Thank you so much for the information My car has a timing chain Will the supply as well 2014 Nissan Altima
Maybe a stupid question but why don’t all cars just use a timing chain or gears as some people in here said? Is it a more money made by selling belts or that you can’t have a chain on certain types?
Love me some Scotty on a Tuesday night.
Scotty you’re the best man been watching for years you’re definitely one of the greats
Chains often need to be changed halfway through the engine life as they stretch and affect the timing.
Could probably still last the life of the engine but not optimal
Best was the straight 6 Nova with timing gears! Indestructible & too sane for the greedy insanity.
same with the ford 300 straight six truck engine
Reliable but noisy, probably why they went with a belt.
@@atcjoe1600 na
Long as they didn't have the original "fiber" teeth on the cam gear. Even then, as long as the oil was changed regularly, they were good to go.
@@bigg4454 Saw 70's Nova straight 6 go well past 300k with minor maintenance. They were good engines.
I prefer the timing belt since I've never had a problem with a rubber timing belt. I do see timing chains giving problems because of the plastic guides breaking and costing a fortune to replace. So the question is : which is the better design?
In hundreds of thousands of miles of driving, I have never had to replace a timing chain or tensioner.
an old school design without a tensioner, like a 350 SBC, yes. As reliable as an anvil.
Had a '89 Toyota truck with a timing chain and it stretched. It started rubbing on a part that started leaking antifreeze which mixed with the oil. Never ran good after the repair.
Ford says 120K miles and I trust that. Previous owner provided proof he did it at 145k and I have 201k , so I'm not going to do it until 65k more miles.
I drive very little now so it will last a LONG time. Non-interference so not worried. Water pump was done too same time.
It's time too.. so every 10 years.
@@khalidacosta7133 Nope was changed 3 years ago at 145k
I dont agree with this as there are lots of cars especially after 2006 that have chain strech or tensioner problems usually Toyotas or Hondas are fine
The cheap tensioners are what usually goes bad on my car. Or the chain guides
Scotty is my all time favourite! But the part about the chains was true 20yrs ago.. now they're tiny and flimsy like bicycle chains and stretch, and tensioners fail too and "regular" oil intervals sretch to as long as 18k miles which doesn't help either
Check your chains regularly!
Would a bad timing belt cause hesitation and fluctuation in ROM’s while cruising at a constant speed? I can’t tell if I need plugs and coils, or an injector cleaning, or something else. The engine is coming up to 98k.
We had a Nissan diesel without chain or belt...sprockets only!
How many hours does it take to replace a timing chain plus kit?
Scotty on my Hyundai it says between 49k and 150k so when should I change it? I think the 49 k is better. Better sooner than later no?
The engine will blow up before the belt goes bad.
@@user-tb7rn1il3q Actually no,I have 143 k miles on the clock and I have seen people with 250k engines with no problems with this particular engine. I am in Europe and I have the 2.2 diesel. If you take care of it it's ok. The have a prpblem with the oil sump and gets cloghet up and the oil line to the turbo. It's one of the few engines from Huyundai that is ok,not good,just ok. they were competing with VW in Europe for quality and they did a decent job. It is not a Toyota but it's ok.
@@robertcojocaru5339 exactly. I have a VW and those engines last if one takes care of them. Changing oils, timing chains, etc.
@@fortimusprime after some m9re research it seems that it is indeed a toyota engine the 2.2 that was on the rav 4 but it will have a shorter lifespan due to the fact that is pushed a little more to the limit and the santa fe 2 is a heavier car and therefore the stress is bigger on the engine, the clutch seems to be the weak spot and I for one find the mechanism to the manual transmission weak as well. I cleaned the oil sump and I was just in time,another 1-2 engine oil changes and my enginenwould have been done for,now the car pulls better and the vibration is almost gone(that would be due to injetors I suppose which will be cleaned next along with the egr) . But even though it won't last 4-500k miles I am happy with my purchase,some year ago they would give in europe 100k kilometers as warranty and that's a little more than 50k miles in the US,I already got that from my second hand bought car so I am ok with it and will try to maintain it in the future also in order to get the most of it.
@@robertcojocaru5339 totally awesome. It’s very important to understand what engine one buys and how to care for it. I hope your car can last you a long time! Seeing that it’s in good caring hands I can see it will last.
My car a Mazda 2016 Miata has low miles only 15000 so it’s 7 years old now … should I change my timing belt now or another few years ?
What about stretching and when it starts slipping teeth and or breaks and it happens to be interference engine and bends a valve or worse damages a piston or cylinder?
Yep I bought a car cheap and had dealer fix the bent valves due to water pump failing and destroying the timing belt I drove the car 40,000 miles after wards then traded it in. So silly how most people don't change the timing belt .
If you have an older big american v8 with a single chain you should change it.
When you do...
install a double chian.
The old single chains eventually stretch/break and then you are screwed.
Complete engine rebuild is necessary after a broken chain or gear.
Iv heard that chevy fixed the timing chain issues on the newer 3.6 impalas, 2014 on....any truth to that?
the timing chain in some bmws built from 2012 till 2015 have a timing chain that snaps causing catastrophic engine failure.
Hey scotty .. if my timing cover is leaking will that effect the timing chains
I was just wa/ching your videos when I got the notification I'm a scotty Kilmer videos fanatic
Don't abuse a motor w/ a rubber timing belt intentionally! This will help greatly. My '010 Aveo has 167000 on 1 belt change ! Change at 100000 miles or a little sooner. I prefer a chain !
My 2003 Honda Accord V6 still ran when I parked it at 290,000 miles and the timing belt was never changed. I got lucky, I wasn't very knowledgeable about car maintenance back then. Now I do all the maintenance on my 2013 Accord.
Uuuhm… what about the GMC Acadia, where they say they tend to have timing chain issues and they stretch due to burning oil??
Timing chains last the life of the engine. Just like the rest of the engine’s parts, like camshafts and pistons. As long as you change your oil they should all hold up. My 2011 dodge avenger I bought new and it’s up to 250k miles, and still in great shape. I take good care of it. I use quality
Oil filters, never the cheapest. I mostly rely on its oil life monitor, for when I change the oil. Which alerts anywhere from 4.5k to 8k miles. I never buy the premium “20k mile” engine oils because I never wait until 20k miles to change it.
THIS IS WHY U NEED TO KEEP A KOOL OLD CHEVY AROUND..YOU WILL ALWAYS HAVE SOMETHING RELIABLE
No. Some vehicles with timing chains still need to be serviced because their guides are made of plastic and fail. The Audi S4s with V8 engines suffer that problem.
Scotty can u explain the difference between interference and non interference engine?
Thank you Scotty and have a great day
An interference engine has a piston and intake/exhaust valves that occupy the same space at different times during the combustion cycle, so if a timing chain or belt broke and allowed the valves to hang open, they would be in the way and get hit by the pistons. A non-interference engine has pistons and valves that do not use the same space, so the pistons and valves would not collide.
@@540iadicted excellent reply. Thank you
The information about the chain is incorrect. Timing chains can stretch and gears can skip teeth throwing off your timing. Chains are definitely better than belts but still. Its a good idea to check the manufacturers recommended services for your vehicle.
Can it be done at home on a 2014 honda pilot ?
I have a 3.5 eco boost and heard this was the most common problem hopefully I won’t have to deal with it I can do small things on cars easily but I’ve replaced 1 head gasket an never wanted to do it again this looks like just as much work if it goes out
2017 toyota tacoma 3.6 motor? Belt or chain?
In a perfect world the chain would last the life of the engine, but they do not and especially on newer engines like the 2.4 Chrysler
This guy is underrated he is a genius yall should listen to him if you have questions
Dont forget about the chain TENSIONER which may go out and allow the chain to jump
Scotty, thank you for this video. I have a 2012 Honda Civic ex. Timing chain. So, as you say, don't ever change chain, just synthetic oil. Ok
Chains get worn too. Specialy with these long life oil change intervals
Yeah, never listen to those if you plan to keep your car for over 150K
How can you tell which do you have? I have a 1996 GMC Sierra 1500 2 wheel drive. With a 350. 5.7 engine
Timing chain
Also change your water pumps on the Hondas while your in there I always go with Gates belts and hoses
Boy Scotty, your display shows your Toyota love as if I’m not mistaken that looks exactly like my wives lexas, and my father-in-law’s sienna 1MFZE timing belt… 😎
Can some man butter like plastic Armour spray or be applied to the belts...to preserve it?
Not all timings chains are created equal....
My 1994 Toyota chain made noise at 157 K...then was changed and changed again at 294 K miles....i upgraded to double row....
The chain on the Toyota...made noise...it seemed like it could of been left in longer...
I like my 392 IHC - timing gears...
Same way with the 7.3 diesel in my 1999 F350...
The life of the engine is usually when the timing snaps. Also if you're timing chain tensioner goes bad you need to replace the chain while you're in there.
Use Lucas oil stabilizer, it really does help
Hi , can anyone say what type of engine timing material does Volkswagen use in its 1.5 L TSI engines ?
Mostly all VW's will need a timing BELT redone after 100k miles or so
Gotta be cheesy plastic. Watch thehumblemechanic videos to see what a disaster VW is.
Shoestring
Kevlar.
Holden Alloytec owners know the pain 😂 I used to have one. Never again!
If your timing belt breaks, you're going to go broke having to do all the repairs.
On the one's with the chains it's not the chain that goes bad it the stupid plastic guides and tensioners they use now.
Heard a story about an older Opel/Vauxhall Vectra or Astra. That car had a timing belt, not chain. Not only that, but the water pump was also on the timing belt. And even worse still, it was a cheap, plastic water pump. So the owner of that car didn't change the water pump, which eventually broke, and took the engine with it. I do not understand why manufacturers keep installing water pumps on timing belts/chains.
So as to make more money selling you a newer, even less reliable car every 5 or so years
Belt was introdused as a cheap trouble free safe if it fails easy to fix alternative to chain ,ended up expensive unrelible source of many problems
Mechanics Don’t Want You to Buy a 94 Celica, Because They Will Never Get to Fix your Car period.
You give James Douglas Morrison a bad name.
How about using AT-205 on the drive belt? You said previously that it rejuvenates rubber.
You’re joking, right?
@@Sci-Mon1 No, because Scotty has said use it anywhere on rubber in a car.
@@kyotoben610 it rejuvenates small seals. Not a timing belt that’s 7ft long and is basically being shredded over time.
94 Celica with a non-interference engine. I bet a crooked mechanic wouldn't let you know that either.
My vehicle has plastic chain guides which do wear out
Some timing chains are not up to the task. The Fiat 16 valve 1.3 diesel has a timing chain but its a simple dingle tow and will be worn out at 100,000 miles. Fiat realised they screwed up and now supply a full replacement kit at $100. But it’s a much bigger job than a simple belt swap.
So Scotty, I have bmw x1 .do I need to change my timing chain or not. No issue with engine almost 150km on it.
That's funny if it's built right. Chains wear , change stretch guides wear , people don't change Oil Text yours fail because of it. I'm in the middle of a timing chain job right now.
You'd think a car mechanic with decades of experience would know about chain tensioners and chain guides that often don't last nearly as long as the timing chain itself.
Cries in 3.5 ecoboost
on the Porsche 924S I need to change my timing belt every 30,000 miles or 3 years whichever comes first 😨
Does Hyundai i10 have a chain or a belt?
Gm should have had this in there adf for the high feature v6 tbh
Question what if you don’t drive much does it time out due to time. 15 years old and 40 to 50k on a car. Does that need to replaced?
I’d do it if I were you.
Some timing chains and belts have to be changed every 10 years or so.
if i use km, is it the same? or should convert it ?
because my country use km
This video is so weirdly perfect for my life right now. I’m changing the chain and guides on my 2011 Elantra. Piece of junk car
Not true!!!
The Kia Sedona has a metal timing chain but plastic guides, which degrade & break up & you need to replace at 95-105k or risk severe damage.
Those of you think that timing chains stretch …they don’t ….they wear….as Scotty sez change your oil regularly………
Never buy a car without a timing chain.
Its time to change your mechanic when his arms start flailing.
Simply Google the make and model of vehicle you drive to find out if it has a timing belt or chain.
On Volkswagens the timing chains have to be changed every 60k-100k as preventative maintenance. You don’t want your interference engine to fail get obliterated. At least that’s what I hear.
Bro stole the model from his local auto parts store 😂
Not true on older chain driven engines with no tensioners. Ive seen then worn out at 50k
...mmm and yet the tensioners on timing chains wear out and need to be replaces
Scotty, I bought a mercedes benz A 150, 2008 car at 83,000 mileage, i noticed the noise and told the seller that if he can change the timign chain i will keep the car and if no i dont want it. anyhow he will get the garage change the timing change in 2 days. Now my question is if i keep the engine oil changed often will this car be good for a long time??
Shots fired 😂
Until the plastic guides on the timing chain breaks. 🤣
What about the chain guides?