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'89 4Runner - Why the Nasty Engine Noise? See video...

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Old Apr 26, 2011 | 07:44 PM
  #1  
dendiggity's Avatar
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'89 4Runner - Why the Nasty Engine Noise? See video...

Yota-tech'ers,

Did the head gasket and welded the hole in the timing chain cover that got eaten away by a timing chain with broken guides.

Belts are all disconnected.

22 RE 2.4

Makes nasty noise that sounds mechanical, not vacuum related (could be both possibly...)

Novice mechanic looking for help!

Thanks,

Denis

http://www.youtube.com/watch?v=05momANGxYs
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Old Apr 26, 2011 | 08:16 PM
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did you grind your welds down smooth?
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Old Apr 26, 2011 | 08:18 PM
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and if your belts are disconnected, wouldn't the pulley( or whatever its called) be spinning freely?
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Old Apr 26, 2011 | 11:20 PM
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Smooth as a baby's bottom, and yes, the crankshaft pulley is spinning freely...made the same noise with the belts on.
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Old Apr 27, 2011 | 04:14 PM
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Im at a loss then...
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Old Apr 28, 2011 | 06:47 AM
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to me it almost sounds like plastic. Could the fan be rubbing on the radiator? Was it in any sort of front end collision? When you let off, the sound decreases slower than the engine sound making me also think fan clutch and fan. worth a look.
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Old May 1, 2011 | 10:55 AM
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Definitely sounds like somethings rubbing. Id let it run and try and pin point where the sounds coming from
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Old May 1, 2011 | 11:27 AM
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to me that sounds like a gear mesh noise. One thing comes to mind is the oil pump drive spline in backwards. or maybe the oil pump gears themselves not lining up right.

Did you get oil pressure yet?
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Old May 1, 2011 | 01:00 PM
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The crankshaft pulley is spinning freely as in its spinning freely by hand? or you mean no belts attached?

Is it not even starting?

Checked the dizzy? made sure its timed correctly?

It does kind of sound like gears whining...

Last edited by toyota4x4907; May 1, 2011 at 01:02 PM.
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Old May 10, 2011 | 02:10 AM
  #10  
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Duh...

Didn't put the throttle body to intake manifold together correctly - attached a ground over the stud before putting the EFI unit, NOT after, thus creating a fissure for air to get through.

Thanks for the replies...
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