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Originally Posted by Iwannasave$$$
Stopped at my local Toyota dealership yesterday to pick up an oil filter for my first 5000 mile service. I inquired at the service department as to what weight oil they use in the TCH. They said that either 10w30 or 5w30 was to be used as per Toyota's specs. I asked if they ever heard of using 0w20 and they responded by saying " in what...a sewing machine?" I am just wondering if a different viscosity oil is used other than what the manufacturer recommends, could it void the warranty if there is a mechanical problem of some sort? What is the actual benefit of using 0w20 compared to a fully synthetic 5w30?
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Change is hard for some people. Anything that isn't what they are used to using has got to be wrong. Why? Just because! I remember back years ago when 5w30 started to replace 10w30 as the recommended viscosity for most cars. Even that minor change was tough for some people to handle. (Too) many years ago I used to have a job changing oil. I had this one older fellow tell me I was trying to wreck his car by suggesting this new fangled stuff and walked out to go somewhere else. Obviously the guy you spoke with needs to be poked out of his sleepy comfort zone and get back up to speed. Some of us had to educate our sales people on the TCH when we bought it, it unfortunately may not be rare that we'll have to educate our service people as well.