Break-in is based on tolerances. The higher the tolerances inside the cylinder walls, the less stringent the break-in period. Some manufacturers specify no break-in period at all. For the Honda Accord (mine is an '05), all it says to do is to avoid full-throttle starts, hard acceleration, and extreme braking for the 1st 600 miles. That's it.
I bought my V6-6speed coupe in 2004 (2004 model) and my book said the break-in period was 1,000 miles - and they weren't joking. At the time, I didn't even have 2,000 miles on the car and I noticed when braking that my steering wheel was rapidly shaking and that something wasn't right. Well - living in an urban area and having to drive into a City daily for work - it's constant stop and go, so I break a lot and have to deal with a lot of idiots that don't know how to drive (which makes me break more, unfortunately). Having said that - I warped (and I do mean seriously warped) the rotors - all four! Thankfully, it was covered under warranty. Although - I bet you the service men at the dealership were shaking their heads and thinking, "Just another woman driver!" - LOL. :)
Regardless - that was the ONLY problem I've had with my baby and I love it!!!
I'd be amazed if the rear rotors were actually warped. The service area probably "padded" the warranty ticket (no pun intended).
Just took my 05 Accord EX-L in for service and the front rotors are warped and the pads are at 50%. Been driving it for 3 years. There are only 35 000 KM's (21700 miles) on the vehicle. I also commute in a lot of stop and go traffic on the highway and city.
To the guy who said not to go over 65 mph in the first 1,000 miles:
How can that be? That's just ridiculous. People need to get to work and play. I just doubt that's true of modern cars. Maybe in the past, but that's just too impractical anymore. Never heard of anyone having issues with going 70+ on a new car.
Simply sounds like someone overtorqued with an air impact wrench. GM owner who insists on proper torque applied no issues with our new vehicles May cost a bit more to torque by hand but worth it.
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