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92 19' SNOB 5.8 Big Boss Engine Squeal on Cold?

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apolonie View Drop Down
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    Posted: August-01-2021 at 12:13pm
Hey guys,

Just curious if anybody else has heard the engine almost "squealing" for a short bit (1-5 min) when starting engine cold. Seems to go away after it warms up and have no issues with engine temp after 5 hours of running. Is this something I should be concerned about?

As always thanks for the feedback in advance.
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James T Brockma View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote James T Brockma Quote  Post ReplyReply Direct Link To This Post Posted: August-01-2021 at 12:41pm
Likely as simple as a slipping belt issue. Check the pulleys.  Check for the belts for condition and proper tension. If the belts are are old/worn/cracked replace with new and tension properly. While the belts are off turn the water pump and alternator pulleys to check for any obvious bearing problems. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrMcD Quote  Post ReplyReply Direct Link To This Post Posted: August-01-2021 at 12:42pm
Sounds like a loose belt.  While it is squealing pour a little water on first one belt and then the other.  Belts squeal when they are slipping, a little water will lubricate the belt and it will quiet until the water wears off.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: August-01-2021 at 12:51pm
Besides belt tension, check the alignment of the sheaves too. 




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Jonny Quest View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jonny Quest Quote  Post ReplyReply Direct Link To This Post Posted: August-01-2021 at 5:22pm
apolonie:  We know what you meant, but it's a "Pro Boss" not a "Big Boss".  Sorry for being picky.  Well, not really.  We are glad you found this site, though and hopefully you get the squeal sorted out.

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apolonie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote apolonie Quote  Post ReplyReply Direct Link To This Post Posted: August-02-2021 at 10:35am
haha yes totally correct, don't know where I got "big boss" from. When you guys check your belts for tension do you use a tool or just by hand? Can't say I feel confident in knowing if the belts depress by a 1/4" or not.
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