1GR-FE Idler Pulley Whine Noise and Pulley location

Lewis

Moderator
Staff member

If you have a 1GR-FE engine pulley whine noise like in these videos. You will want to replace just the effected pulley or even all 3. The upper 2 idler pulleys are the same single roller bearing type 16604-0P011 while the bottom one (to the right of the crank pulley) is a Double bearing type 16603-0P030. You can visually see the difference when they are placed side by side.



Here are some pics of the idler bearings side by side and the drive belt routing...

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