3.4L timing belt replacement - TTORA Forum
 
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post #1 of 5 (permalink) Old 06-12-2017, 05:45 PM Thread Starter
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3.4L timing belt replacement

I'm about to replace the timing belt on my 01 3.4L. Here's the list of things I'm planning on replacing. Let me know if there's anything else I should consider while i'm there. Any pulleys or tensioners need replacing? It has 170k miles. I don't know if the belt has ever been done. I bought it with 150k miles. Should I get the parts from Toyota, or are there decent OEM equivalents? It's a big job, so I don't mind buying quality parts.

Timing belt
Water pump
Upper/lower radiator hoses
3 accessory belts
Thermostat
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post #2 of 5 (permalink) Old 06-13-2017, 10:59 AM
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There are several online sources for the parts. Just beware that some sellers claim to sell OEM parts but don't actually supply OEM parts. There was another thread on here of various Ebay and Amazon sellers of the parts.
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post #3 of 5 (permalink) Old 06-13-2017, 11:08 PM
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At that mileage, i would also do the cam and crank seals.

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post #4 of 5 (permalink) Old 06-16-2017, 10:28 PM Thread Starter
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At that mileage, i would also do the cam and crank seals.

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Doing that involves cracking open the valve covers too right? At that point i'm removing the throttle body.

So other than valve cover gaskets, what else should I replace while I have that apart?

Might as well check all the valves too. Geez...this is going to be a bigger job than I thought.
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post #5 of 5 (permalink) Old 06-16-2017, 10:31 PM
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If you take the intake manifold off, look into replacing the knock sensor plugs (plastic only or the whole harness).

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