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Old 11-06-2021, 09:25 AM #1
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Failing Water pump, fan bracket, or something else?
Looking to get pointed in the right direction to determine if this is something I can handle. Recently I’ve noticed a interesting sound coming from my engine bay and need your help. From the looks of it, the fan assembly has a slight wobble to it with a matching sound.

It’s v6 with 268k. TBelt/water pump replaced about 90-100k ago. Fan clutch replaced a few months back.

Fixed video link - 99 4Runner - YouTube

If this is better posted elsewhere please let me know.
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Last edited by ICD; 11-06-2021 at 04:43 PM.
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Old 11-06-2021, 03:59 PM #2
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I recently did my timing belt and found the fan bracket making a bit of noise at 230k so check yours. You are probably due for a timing belt.

Link is broken.
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Old 11-06-2021, 04:44 PM #3
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Quote:
Originally Posted by FD7683 View Post
I recently did my timing belt and found the fan bracket making a bit of noise at 230k so check yours. You are probably due for a timing belt.

Link is broken.
Thanks for letting me know, I’ve updated the link.
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Old 11-06-2021, 05:21 PM #4
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I'm sure its the fan bracket. I don't think the water pump/TB idler pulleys would make a noise like that but the fan bracket itself (water pump and idlers would seize/whine instead of making a horrible noise like that). What I would do is to pull the fan clutch off along with belts and try to spin the bracket bearing by hand and feel for play.
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Old 11-06-2021, 06:24 PM #5
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Some kind of bearings sound awful. Fan clutch?

Should be whisper quite once fan clutch unhitches itself.

When water pump bearings give out, the pump leaks after engine is turned off.


Luck.
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Old 11-06-2021, 07:16 PM #6
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You can see the fan clutch bearing assembly moving in it out it looks like. So either you bolts and studs are extremely loose or that bearing going bad. As a possibility.

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Old 11-07-2021, 11:29 AM #7
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Fan Bracket is toast.

You could follow this video to see how to remove it. You don't need to drain of remove the radiator so skip that.

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Old 11-14-2021, 12:21 AM #8
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Quote:
Originally Posted by mtbtim View Post
Fan Bracket is toast.

You could follow this video to see how to remove it. You don't need to drain of remove the radiator so skip that.
Thanks for for video and confirmation. Was able to get it replaced yesterday and it’s all fixed. Bearings were fried and had lots of metal shavings
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