From: Keith Lee on 18 Dec 2007 10:34 Joe: I will have the timing belt changed soon; but, I don't understand why I should worry too much about it. Granted, Toyota states that it should be done every 6 years or 90K. Since the previous owner didn't use the car that much (after all, 72K in 10 years), I don't see why there should be any hurry about it. I barely use it myself. Thanks for the advice. Keith
From: JoeSpareBedroom on 18 Dec 2007 10:37 "Keith Lee" <cmarvel(a)NOSPAM.nethere.com> wrote in message news:pan.2007.12.18.15.33.56(a)NOSPAM.nethere.com... > Joe: > I will have the timing belt changed soon; but, I don't understand why I > should worry too much about it. > Granted, Toyota states that it should be done every 6 years or 90K. Since > the previous owner didn't use the > car that much (after all, 72K in 10 years), I don't see why there should > be any hurry about it. I barely use it > myself. Thanks for the advice. > > Keith ??? Not logical. Toyota's recommendation is not based on how long it took to reach the suggested mileage. Friction and wear are not related to whether you understand them or not.
From: C. E. White on 18 Dec 2007 10:56 "Keith Lee" <cmarvel(a)NOSPAM.nethere.com> wrote in message news:pan.2007.12.18.15.33.56(a)NOSPAM.nethere.com... > Joe: > I will have the timing belt changed soon; but, I don't understand > why I should worry too much about it. > Granted, Toyota states that it should be done every 6 years or 90K. > Since the previous owner didn't use the > car that much (after all, 72K in 10 years), I don't see why there > should be any hurry about it. I barely use it > myself. Thanks for the advice. In this case, it is not the mileage on the engine, it is the age of the belt. Elastomeric materials deteriorate over time. It has been a while since anyone in my family has owned an engine with a timing belt, but we have in the past. Over the years we have had at least three fail (fortunately on non-interference engines). With a belt that age, you are subject to developing cracks in the substrate. It is possible that you can actually have the "teeth" brake loose from the backing. Think of it this way - You are probably planning on keeping the car for at least a few years and another 30k miles. At some point during your ownership you will likely decide to have the belt replaced. Why wait? Do it now and you won't have to worry about it. You'll probably never replace it again, so you aren't really saving anything by deferring the replacement. Ed
From: Keith Lee on 18 Dec 2007 19:59 On Mon, 17 Dec 2007 18:57:58 -0800, johngdole wrote: > AutoData indentifies the 94-00 1MZ-FE as a "Freewheeling" engine. So > there is NO interference. However, two-stage (?) variable intake valve > timing came in 01, then it became an interference engine. > > > > On Dec 17, 7:38 am, "C. E. White" <cewhi...(a)removemindspring.com> wrote: >> Gates claims it is an interference engine. I have heard others say it >> isn't, but I would not take any chances. Gates does seem inconsistent >> on this, since the 1997 3.0L V-6 is not listed as an interfrence >> engine, while the 1998 3.0L V-6 is. I suppose there were changes >> between 1997 and 1998 that reduced the valve to piston clearance. John: What is the link to this Autodata web site? Thank you. Keith
From: johngdole on 18 Dec 2007 23:09 AutoData is a publisher of maintenance information for vehicles. AllData is another one is the US and owned by Autozone. That's why Autozone is advertising that if you buy, say, brake pads, they'll print an instruction sheet to tell you how to install them. Sooooo that's why Autozone bought AllData! These are paid services, BTW. I have a sheet that was included with the Gates Timing Component Kit. Gates is the world leader in automobile and industrial belts and hoses. A few years ago they introduced the world's first commercially successful carbon cord elastomeric composite belt that's stronger than steel for Harley- Davidson. Really impressive research capability here. http://www.autodata.ltd.uk/ http://www.alldatadiy.com/index.html www.gates.com http://www.gatesprograms.com/carbon/ On Dec 18, 4:59 pm, Keith Lee <cmar...(a)NOSPAM.nethere.com> wrote: > What is the link to this Autodata web site? Thank you.
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