Article 10-25

Service Bulletin Details

Public Details for: Article 10-25

Technical service tip (tst) addressing that on some se5 engines a high pitched or whining noise may be heard under specific rpm only. After investigation the cause of this noise is from a thrust washer vibrating and spinning in the hcm. Ins


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Roadster SE5 Engine Noise - Left Hand Side Possible Cause
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Summary:
On some SE5 engines a high pitched or whining noise may be heard under specific RPM only (only at 3500rpm for
example).
Type:
General
TST Detail:
After investigation the cause of this noise is from a thrust washer vibrating and spining in the HCM.
Inspect the HCM housing for wear; it may need to be replaced.
If the HCM housing doesn't present any signs of wear, replace:
Thrust washer 420227391
Needle bearing 420632640
Oil pump gear, 24 tooth 420434601
and other associated parts......gaskets..... as needed.
*********
HCM housing 420611493
Attachment:
First Published By: Dany Davey on 2013-10-25
Last Modified By: Dany Davey on 2013-10-25
https://brp--c.na13.visual.force.com/apex/Article_Detail_TST?id=kA8a00000008PBZ&p... 01/11/2013


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