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Tesla Ownership Experience Report….2018 Model 3 w/250K Miles
#11
ztirffritz wrote:
My only concern with hybrids is that it complicates everything. You have more failure points than you'd have with either drive train individually. In fact, you have more than if you simply add them both together because making them work together is just another layer of complication. Don't get me wrong, the engineers for the Prius and the Volt have done a fine job, but you can't avoid some of the interface issues.

15 years, 155k miles on my Prius. The only thing I did related to the engine was replace the traction battery at the 12 year mark. Expensive, but not a complicated task..the repair guy rolled up in a hatchback to swap it in the parking lot with a socket wrench in about 20 minutes.

The additional points of failure are the inverter, which is also removable with a socket wrench, and the inverter coolant pump, which is under the inverter. Messy because of coolant, but also can be done in your garage. The thing about the hybrid parts is they there are nigh unto solid state. Just not much to go wrong compared to detonating tiny explosives.
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#12
Acer, what other maintenance have you had to do? Spark plugs? Engine oil? Water pumps, or timing belts? Alternator or regular belts? Anything at all on the engine, transmission or exhaust system?
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#13
Oil every 10K. It is (was) burning oil, maybe a quart per 2000 miles?
Spark plugs and ignition coils at 120K;

I preemptively replaced the water pump at 150K, but it was not presenting any problems. I wanted to avoid any chance of an overheating episode, to which the head gaskets on this engine are sensitive.

I pulled off the air manifold and cleared out all the accumulated carbon.

Nothing else on the engine. Original exhaust still at 155K, though probably due for replacement soon.

Not all wine and roses. I had a persistent evaporation system leak that my mechanic never got sorted out. The rear brakes had to be redone about four times; I think the early 2010 didn't quite have those properly tuned and they wore out early. And, the wheel bearings/ABS sensor (all one part) on the rear were done this last year, ca. 150K.

I traded it in last week for a new Camry hybrid. I'm looking forward to what another 15 years have brought to Toyota's hybrid platform.
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