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Toyota Highlander 90K Service

4 messages,  Last post on Jan 29, 2009 at 2:54 AM

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#1 of 4 03 Highlander Limited AWD by derekgaddy Jan 28, 2009 (4:12 pm)
Hi all: Great forum. My Highlander is approaching 90k miles. I would like to bring to my local mechanic (toyota certified) for a tune-up/service. My understanding is Toyota recommends the timing belt at 90k and I'll probably have the water pump done as well. What other service should I have my mechanic do? What does Toyota recommend. Any help would be much appreciated. Thanks in advance - Replies to this message: wwest (Jan 28, 2009 4:16 pm) derekgaddy (Jan 28, 2009 4:25 pm)
#2 of 4 Re: 03 Highlander Limited AWD [derekgaddy] by wwest Jan 28, 2009 (4:16 pm)
Replying to: derekgaddy (Jan 28, 2009 4:12 pm) Toyota recommends taking money from your pockets and putting it into theirs.   I would ignore the 90k service until about 150k...I have.   And I would bother with the water pump unless you see a seriosu level of drippage from the weep hole. Replies to this message: derekgaddy (Jan 28, 2009 4:25 pm)
#3 of 4 Re: 03 Highlander Limited AWD [wwest] by derekgaddy Jan 28, 2009 (4:25 pm)
Replying to: wwest (Jan 28, 2009 4:16 pm) At a minimum I should do the Timing Belt? At 80k I changed the tranny fluid.
#4 of 4 Timing Belt by grahampeters Jan 29, 2009 (2:54 am)
G'day   Well, you pay your money (or you don't) and you take your chances. Most manufacturers recommend changing the timing belt between 100,000km (60,000 miles) and 150,000km (90,000 miles). Toyota is at the longer end of that band, suggesting that they have greater confidence in their timing belt system than some other manufacturers.   However, timing belts do break. In non-interference engines (ie where the pistons do not move into the same area of the cylinder as the valves are located when they are open) the failure of a timing belt is not usually catastrophic. For an interference engine, you run the very real risk of the pistons impacting upon the open valves, resulting in bent valves or seized pistons. Gates suggest that the 3.3 litre Toyota engine fitted to the Highlander is an interference design.   As with all preventative maintenance, you have to weigh the cost of maintenance against the cost and probability of catastrophic failure of the machine.   Coincidentally, I am having a 100,000km service done tomorrow and had quizzed the service guys on the timing belt replacement interval, presuming it would be 100,000km. They confirmed the 150,000km interval for the Kluger (Highlander) here in Australia.   I would be very reluctant to run a timing belt past manufacturer's recommended replacement interval. It is not a hugely expensive maintenance job but the cost of even a second hand replacement engine is (on Australian prices), about 30 times greater.   Cheers   Graham

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