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whining noise from my evo

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Old Aug 13, 2018 | 02:23 PM
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Default whining noise from my evo
When I start the engine there is a whining or whinging noise coming from the engine. After warmup it mostly stops. It is pretty loud. Any ideas what it might be?
 
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Old Aug 13, 2018 | 02:38 PM
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Did you just change the cam shaft?
 
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Old Aug 13, 2018 | 03:54 PM
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Is it the FXLR you are talking about? I always read a cam shaft bearing that has gone south makes a whinging noise, but I never heard it myself.
If it is, take care. In no time the whole bearing is gone and the cam shaft start eating away your engine casing.
 
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Old Aug 13, 2018 | 04:43 PM
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Is you wife/girlfriend/significant other on the back?
 
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Old Aug 14, 2018 | 04:18 PM
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If no recent cam change, then yes, cam bearing giving up the ghost. YD
 
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Old Aug 14, 2018 | 04:58 PM
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How many miles on motor?
Does sound like cam bearing, if you do take it apart for a look then you need to replace the bearing if it looks like the one on the left in the photo. Need a full roller bearing like the right one.
 
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Old Aug 14, 2018 | 05:10 PM
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Thanks everyone
 
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Old Aug 15, 2018 | 04:31 AM
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On my '99 Evo motor the "whining noise" I thought might be coming from the inner cam bearing turned out to be coming from what was going on at the other end of the cam. It rides in a bushing on the "outboard" end. That was where the wear was happening. The bushing was loose in the cam cover and getting "wallered out" ( sorry for the technical term, but that's what we call it down home.)
 
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