#1 Idler Pulley (timing) fastener tool? - Toyota Tundra Forums : Tundra Solutions Forum
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post #1 of 2 (permalink) Old 05-02-2019, 01:19 PM Thread Starter
Join Date: Feb 2016
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#1 Idler Pulley (timing) fastener tool?

What type tool is used to remove/install the #1 Idler Pulley? This is the passenger side idler pulley used to tension the timing belt. I'm about to install a complete timing belt kit and will be replacing this pulley as well. The fastener is not part of the kit.
From what I can tell in the videos/pictures, this is an allen wrench but I can't be sure.
I'd like to have all my ducks in line before beginning the job.
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post #2 of 2 (permalink) Old 05-15-2019, 06:54 AM
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Join Date: Aug 2008
Location: Ballwin, MO
Posts: 4
Grub, you are correct--that is a large allen bolt that the pulley pivots on. The Toyota service manual isn't clear, but it may be a 10mm (I didn't have one, so I just replaced the pulley itself).

Good luck!
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Last edited by Phredbird; 05-15-2019 at 07:05 AM.
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idler pulley

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