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Also not to go over 60 mph. Not until the first service when afterwords I can do whatever I want.
Why is that? and most importantly, what happens if I ignored their instrutions?

2006-12-12 18:49:06 · 8 answers · asked by Daydreamer 1 in Cars & Transportation Maintenance & Repairs

8 answers

I agree with all these guys about why you SHOULD follow the advice and all that I will tell you is that as a machinist I fully understand the reason to and recommend you do. tolerances from the factory on a lot of parts inside that engine are .003-.015 of an inch, when you receive that car new or under a few thousand miles the coatings, and finishes on all the metal components are being worn away and all friction lubricated areas are being buffed to a polish. If you took the heads off that engine new, you will see crosshatches (honing markings) that look to be sanded into the cylinder wall, now after 15,000 miles you take the heads back off you will notice an almost mirror like finish. If you do not follow his recommendations expect for things to break or for the car to knock, use excessive amounts of oil, ping, leak, you name it. and its not just the engine that needs to be worn in, also the transmission, rear differential and all your universal joints in the drive train. My other advice, unless you can afford it, don't beat on your cars, there is always a price to pay weather it be tires, gas, traffic tickets, and Ill tell you what, women are not very impressed by this, and other guys usually could care less.

2006-12-12 21:03:06 · answer #1 · answered by ogreB 2 · 1 0

It's a break-in period and it could be possible that if ignored, it will NOT be covered by your warranty. In fact, you should make sure to read that over EXTREMELY carefully and make sure you understand it. I've seen many people get bit by what they thought was common sense and the right thing to do when the warranty said otherwise.

I'd do that for 1,000 miles, and would change the oil and the oil filter immediately after. All of the little burrs and scratches and loose shavings from machining will work their way into the oil.

2006-12-13 03:13:24 · answer #2 · answered by jdm 6 · 0 0

This is because new car engines are tight they need time to break in going over 3,000-4,000 rpm and over 60 mph puts alot of strain on the engine if you do this you could damage it and it would not be covered by the warranty

2006-12-12 19:33:45 · answer #3 · answered by william_callen 2 · 0 0

That is Extremely good advice,, those who tell you, old break in rules,, hey I got news for you, internally engines haven't changed. The reason for it is to let all the various parts seat and wear in right,, this can potentially greatly prolong the life of the engine,, Very good advice,, very good.

2006-12-12 18:55:46 · answer #4 · answered by Anonymous · 0 0

this is what they call the motor break in period...the car will last longer if you follow the rules and you should not step into the car gas peddle, go easy on it...this way when your warrnaty is over you will not have any problems with your new ride...it's up to you ultimately, I just bought a new car and I did the same thing...so go easy on the PONIES!!!

2006-12-12 19:05:20 · answer #5 · answered by joy ride 6 · 0 0

the reason the dealer told you this is because it is a brand new engine, which has to be broken in. on new cars, or old cars after putting a new engine in you have to "break it in". if you ignore this, it will cause a little bit of excessive wear and tear on your engine.

2006-12-12 18:53:06 · answer #6 · answered by bugabuga_007 2 · 0 0

in the old days it was necessary to"break in" in new car, to get the piston walls and valve seats properly coated. Didnt know that was still done...if its in your owners manual and on the web the same way, then not doing would probably void the warranty.

2006-12-12 18:52:15 · answer #7 · answered by David B 6 · 0 0

nothing will happen. if its under warranty then do what you want since they have to fix it anyway.

2006-12-12 18:51:45 · answer #8 · answered by anonymous 6 · 0 1

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