Pilot bearing and bushings
From Crankshaft Coalition Wiki
                                
                                                                
                                
                                
                                                                                                                                
                                
                                
                                                                
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====Fluted bushings====  | ====Fluted bushings====  | ||
[[File:GM pn 10125896 pilot bushing.jpg|thumb|200px|]]  | [[File:GM pn 10125896 pilot bushing.jpg|thumb|200px|]]  | ||
| − | The flutes reduce the load bearing capacity- even though there's not a terrific amount of load on the pilot bushing- provided the bellhousing is indexed correctly. They also present a way for contaminants to get into the bushing. <br style="clear:both"/>  | + | The flutes reduce the load bearing capacity- even though there's not a terrific amount of load on the pilot bushing- provided the bellhousing is indexed correctly. They also present a way for contaminants to get into the bushing. <br style="clear:both"/> The reason for a fluted bushing is to stop the input shaft from glazing over. Contaminants can be had in either style of bushing due to clearance that is within both.  | 
==Damage caused by a pilot bushing containing iron ==  | ==Damage caused by a pilot bushing containing iron ==  | ||
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[[File:At pilot bush.jpg]]  | [[File:At pilot bush.jpg]]  | ||
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