Date: 6 Nov 2001 14:15:41 -0800
From: (Steven Scharf)
Subject: Re: Does anyone use synthetic oils?

"Huw" <> wrote in message news:<3be70d6c$0$231$ > IMHO the oil I use for my fleet meets API CG4/SJ and is further rated to > MB228.3 long drain SHPD, is wasted at the Toyota recomendation of 4500 > mile drain in a 1HD-FTE engine. The oil will easily last double your > recomendation. In the event I am using a synthetic Fuchs Titan Cargo > 1040 oil which is a 60,000 mile type oil and to Hell with your warranty. > If the engine fails then both oil and filter will be sent for analysis > and you will have to prove that the failiure was due to inappropriate > servicing. With this oil the regime is to change the filter every 5000 > miles and the oil at 10,000. It will be up to _you_ to prove that the failure was _not_ due to inappropriate servicing if Toyota decides not to provide warranty service based on the fact that you did not follow their servicing requirements. You might easily convince them, you might have to go to court and hire expert witnesses and attornies. You are in for a big hassle in the event of an engine failure during the warranty period if you don't follow the manufacturer's service schedule. During the warranty period it is best to follow the manufacturer's requirements, even if in your heart you believe that the oil you are using eliminates the need to do this. After the warranty is over then you can do whatever you want and live with the consequences. With a synthetic oil, and operating under non-severe conditions, 10K oil changes is almost certainly okay. But just do 7500 mile changes while under warranty to prevent any problems. I've even seen complaints that a dealer (not Toyota) wouldn't honor a warranty because the owner followed the normal, rather than the severe, maintenance schedule. This was on a very poor quality car with lots of engine problems, where 3000 mile oil changes are necessary due to a couple of design flaws.

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