5 Things You Should Never Do In A Brand New Vehicle
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Proper break-in is important for the reliability, performance, and longevity of your vehicle. Part of the way you make sure your engine lasts is through how you drive your new car for those first thousand miles (check your owner's manual for the exact mileage). There are several things which you should avoid doing, including giving your vehicle full throttle, taking your engine to redline, using cruise control, traveling short distances, and towing. We'll talk about various different engine break-in procedures, used in the Nissan GT-R, Acura NSX, Chevrolet Corvette, and even a land-speed record car built by an FCA engineer as a hobby.
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make a video 5 things you should never do in a high mileage car.
my mom's nissan murano bought brand new had over 200,000 miles on it with barely any service done to it other than a few ruptured radiator hoses before I sold it off this spring. Cars are lasting longer and longer these days and sports cars with 150,000 miles seems to be an upcoming trend.
Some people speculate that "break in" procedures in the manual are NOT about breaking in the engine are are about breaking in the driver - preventing new drivers getting over excited about there new car and crashing it.
So now all you have to do is convince the auto manufacturers to stop over revving the engines at the factory when they test them! But they won't do this, because break-in is totally useless on modern cars! Why does it say so in the manual? Duh, to protect them from warranty claims of course! Oh, you broke a rod, it couldn't be their fault, did you follow the break-in procedure? No? Too bad, you'll have to pay for everything! Modern synthetic oils and super-duper metals have made breaking-in totally unnecessary.
When collecting my new Mercedes B Class B200 Diesel from Rastatt (Germany) I asked any 'running in recommendations' and was informed "do not exceed 3000 rpm"
I soon found that this equated to 120 MPH (7th gear Auto Box) so easy to comply. The car has now covered over 60,000 miles ands still drives like new and returns easy 50 mpg + and max speed 130 mph (Legal German Autobahn I hastily add)
Some people crank engine and pour beer in carb. at full RPMs! Vary engine speed and gentle for first 28 hrs, and change oil/filter. Warm engine and vary loads during break in! What you say is smart and will give a happy engine.
Good advice about not flooring it in a new car.
I might also add that recalls of brakes and other bits and pieces happen.
You don't want to be the one whose floored it only to find there is a yet unknown issue when braking hard..
E.g. the calliper falling to bits.
Just a thought
"... and you want to vary the engine speed so it gets used to all these varying conditions..." Are you listening to yourself? What does a combustion enginge "get used to?" The real truth is that there is no data that correlates the use of published break in procedures with engine longevity or any type of premature engine wear.
Rubbish! If there are any imperfections in the engine they will just damage the engine later.
Done a "Break in" procedure for a Yamaha R6 and as soon as the engine as soon as it was "run in" I opened it up and it went BOOM. Big end bearing was starved for oil because a bit of gasket goo was stuck in the crank. It was ok when running slow but for full power it spun the bearing.
When I got a replacement bike I was told it really could have gone straight to the track. With the new(replacement) bike I did and there was no "Boom" and it still make a truckload of power (just like all the other R6's which were converted to race bikes and never saw the "Break In period). And continued to do so until I threw it down the road.
"Break in" period's are a thing of the past when machining was still mostly done manually. Today with CNC machines they can do all kinds of wonderful things to eliminate the need to "Break in" and engine.
And that film of oil on the tires disappears in a few hundred meters not miles. You get the same thing on motorcycle tires and if one had to wait miles to wear it out you would never get the bike leaned over.
Hello there! I recently got me a 2018 Subaru WRX and I have 530 miles on it and have had it since 14 miles. And have accelerating and shifting at 5000-6000 RPM’s. Will my engine still be top notch as long as I stop driving aggressively with it until I break the 1,000 mile break-in?
Most manufactures test each engine on a test bed before fitting to the vehicle and run the engines up to full power to make sure everything is ok, running in as it is called is not as necessary as it used to be because the Cylinder Bores are honed after Boring to put a better surface finish on them making it easier for the Piston Rings to bed in,just a little consideration for the engine for the first 500miles is all that is needed then you can steadily increase your speed.
I was subscribed to a few superbike magazines for about a decade(in the past). Over those years i have read numerous articles on race team's "breaking in" their engines.
literally every race team broke in their engines hard for the first 15 miles. A few of them wrote articles comparing two engines after a full seasons of racing. The results showed the hard break in was in perfect condition while the "manufactures suggested break-in" was not.
could you look into this? could it be that the high revving/high tolerances engines in superbike's are different?
With the fresh crosshatch on the cylinder walls it acts as a file on the rings. With a hard break-in all the metal particulates between the ring and the wall will act as a grit and they won't mate properly
Hogwash, drive it day one like you're gonna drive it years later. Race engines are dynoed at full power after being made. Many sportbikes dyno engines way before they break in. Sportbikes make way more power per displacement over most these fancy cars. Drive the damn thing day one like you plan to drive it every day. Don't baby it or drive it like it's stolen. If it scatters, it was made wrong. Only exception to this is a non roller camshaft, those require special break in for an hour. Then beat on it
I would have thought all car manufacturers break in all their engines these days, before mounting them into their cars. To be honest, I think it is to risky to leave the break in to the consumer. What normal human being is going to stick to all these things? Manufacturers should at least break in engines to between 80% and 90%.
Engines are abused before they are even put it your car, look it up on youtube, somethibg along the lines of factory engine testing, i found videos of honda, toyota, ktm, AMG, bugatti, and kia doing hard engine breakin/test in the factory. In fact in the one video kia admitted to putting their engines through *300 hours* of strenuous test including long periods of high load.
I would move point #4 up to the top and not just for break-in but for the entire life of the vehicle.
Ideally, lugging and redlining should be done only after the oil has reached its operating temperature, which often happens quite some time AFTER the engine (i.e., the coolant) has reached operating temperature. (The amount of time between those two fluids coming up to temp depends on engine design/component placement)..
Lugging the engine, or generally running it hard before it gets to operating temp is only doing more harm. The most damage is done at engine start when there is no oil flowing through the machined surfaces, (and the weakest parts are usually the camshafts). Pressing the engine when the oil isn't flowing as well, and the blow-by condensing in the crankcase (*) and getting into the oil only makes those machined surfaces work that much harder on oil of suboptimal operating parameters. Most synths have additives to address some of that.
(*) that it partly why it is better to not drive for very short distances, especially at break-in.
I don’t care what the so called data says. I’ve owned numerous new cars since the mid 80’s from various manufacturers are I’ve driven all of them hard right off the dealer lot. I’ve never experienced any issue such as oil consumption or engine failure etc. None. In fact, experience has shown me that with performance cars if you break it in slow it will always be slow. I’ve proven that over and over again. Break in periods for new cars are a thing of the distant past...like when cars came with carburetors. But to each their own...
....!?!??! WurD s4Lad Unleeshed.... The dirty E30 of purty scurty of the life of garfield the cat of a hat of the tri disk clutch of the slave and m4st3r cylinder of the truck of a f*** without a duck of the chuck of dawctur r0wbUtnik...........
I live near a truck plant. The knuckle heads making 8.00 an hour, to drive the trucks to an overflow lot, absolutely dog the trucks. I see it every day. I paced one at 95 mph on the interstate the other day. The truck had just pulled out of the factory. The plant uses a contracted company instead of actual employees.
Why does the factory put a new car on rollers and floor it to redline before the car leaves the factory - this goes against your advice - manufactures can not tell you to do a hard break in as it would not be seen in a good light by the authourities
I just bought a new GTI out of state and drove it 500 miles back home - I didn't realize using cruise control for extended periods of time was a bad idea. Is there anything I can/should do now to give the engine the best shot at a quality break-in?
Keep up the great work, engineering may be dry but is necessary. What do you have to say about the people who love the sound of the rev limiter holding back the engine, especially while doing a burnout. Hard on parts.
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