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break in period question

2557 Views 16 Replies 11 Participants Last post by  lowhombre
many of you know that i bought an Xterra X 3 weeks ago, i picked it up with 13 miles on it, im a tad bit over 1200 miles right now :cheers: , am i over the "break in" point of the vehicle? ive used the 4wd twice when it snowed. is it OK to drive it like i stoled it now? sorry for the novel...
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First, I wouldn't drive it like you stole it...ever. :)

Have you changed the oil yet? If not, do it before 1500.

I would give it until the 2nd oil change (around 3000 or when ever the manual says) until you really start to beat it up.

That being said, I had mine in the woods a week after I bought it, so...
I waited until 1500 to see what she could do, I think that is what the manual said to wait. Anyway, as mentioned above I changed the oil at 1500 and 3750.
Does the manual say to change the oil at 1500, or is that just something you guys are doing?
Graytshirt said:
Does the manual say to change the oil at 1500, or is that just something you guys are doing?
It doesn't say to change it then we are just doing it.

The first change in the manual isn't until 3750.
Mine had its first oil change @ 2000, and then I had a 1100 mile road trip and I then drove it the way I want it to run. Not like I stole it (I can think of some things that I want to do to a car that I don't own...)
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Graytshirt said:
Does the manual say to change the oil at 1500, or is that just something you guys are doing?
It does not. But what I find odd it's the first new car I have seen that doesn't state an early breakin oil change. I did mine at 1500 and I would have done it sooner if I could have. The oil was black.
Here's mine at probably around 1,400 miles on the odometer. May have even been a bit less, I remember thinking I had just finished the "break-in" period in time to really break something.



I was so busy concentrating on the rocks that I did not even notice the severe pinstriping I was getting on the driver's side.
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remember to have some nice highway breakin time.
Graytshirt said:
Does the manual say to change the oil at 1500, or is that just something you guys are doing?
follow the manual dude. everyone else is just wasting money.
Meh, what's $15? I'd spend that much just driving to and from my dealer if something broke under warranty. $15 for some dino oil and a filter is nice assurance incase they didn't get everything off the parts during the milling process. If nothing else, it's nice to just flush the motor out. I did my first oil change at 1,500 miles and the oil was surprisingly dark for so few miles, but that might have been just the oil the factory uses. It makes me feel better so I did it.
well im not really planning on driving it like i stoled it, the wife says that i drive it like driving miss daisy. will the '05-06 oil filter fit the '07 model? and what is your guys' take on K/N stock replaceable air filter? and i will be changing the oil this weekend...thanks for the advice everybody.
lowhombre said:
well im not really planning on driving it like i stoled it, the wife says that i drive it like driving miss daisy. will the '05-06 oil filter fit the '07 model? and what is your guys' take on K/N stock replaceable air filter? and i will be changing the oil this weekend...thanks for the advice everybody.
I just changed to the K&N filter this weekend. I'm not sure if it gives any performance gains, by the butt dyno. It does look like I'm going to get some better mileage off of this tank of gas. I'll know later this week. The oil filter is the same for all 2nd gens.
burnout said:
Graytshirt said:
Does the manual say to change the oil at 1500, or is that just something you guys are doing?
follow the manual dude. everyone else is just wasting money.
It’s a practice that engine builders follow. Having built a couple dozen engines it’s a practice that I always follow. It’s also something that most car manufactures suggest you follow. The X is the first new car I have seen that didn’t state an early oil change and it kind of surprised me. It’s good to get the metal particles out of the engine during the break-in period. So it might be a few bucks wasted to some, but seeing as you just dropped $20+K on a new car, I think spending $15-20 to change the oil is money well spent.
Maybe the engines are broken in before they put them in the truck? I know that on the Ford Cobras I believe they run the engine at very high RPM for like an hour and then change all the fluids and put it into the car, this helps break in the engine.
Big three are sloppy engines, compare the tolerances to our Nissan engine. I've been in Big three and all three powertrain assembly plants. Slop shop! It was scary! Yea, If I bought a big three engine, Oil change 1st 200 miles and again at 500 and 1000. But I have much more faith in Nissan, This engine is tight! I never seen the factory for this one but I can imagine it is way better than big 3. I took my 1st oil all the way. Drove it on a 2500 mile trip 1st drive, Bought it and left. Poked through towns 1st 1000 miles. They key with the break in is to vary the speed and RPM's. Also, some manufactures use a special break in oil, it's got a different formula to seat the rings and help with break in and some say don't change it before they suggest. Where's our Nissan man? Chime in! MC
well, I did my first oil/oil filter change tonight at 1,383 miles :wav: ,
thanks for everyones help and advice.
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