Nothing is really hard at all to work on with the UZ series V8s. They're not even that expensive either - a complete Aisin timing belt kit with a new Aisin water pump, Japanese idler pulleys, new tensioner and Japanese belt costs less than the Dayco kit from Autozone.
Just go to Rockauto and get the Aisin Timing Belt and Water Pump kit, its like $170 and you're getting OEM parts.
But I would do a Lexus and go the extra mile for the Toyota OEM TKT Aisin kits for timing belt/pump/tensioner replacement.
Highly recommend using the Aisin Timing Belt kit (TKH003) as it contains the actual OEM parts in a kit without having to use more expensive Honda parts.
If so, I had the same issue with until I did my first belt change at 100k miles. I thought it was the tensioner, but turned out to be the writing on the back of the timing belt as it passed over the tensioner roller. After I did the belt and tensioner and rollers, etc., the swish, swish, swish sound never came back. FYI, went with a Conti-tech belt rather than VW.
As an alternative to a chain drive, timing belts also markedly reduce CO2 emissions. ContiTech developed the CONTI® OIL RUNNER™, which runs like a chain in oil and holds out for the entire life of an engine.
i just put this kit on my 1.8t and no issues after about 2k miles. From what I hear the contitech stuff is actually better then oem. Im not really impressed with the oem stuff anyway.
My Audi 20v five potter uses the same tooth profile as the 16v but the t-belt is the 19mm wide flavor. I've never minded ripping that thing up to 7K and feared that the belt would'nt hold up... even withe the 4 extra valves and the waterpump running off that belt!! I'would'nt panic as long as it gets replaced when it's due. Oh and don't get me none of that cheapo stuff either.. gotta be ContiTech or Gates!!! And don't spill oil or grease on any belt!!
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