Ghost SLAMR hybride ( E8000) rattling noise when downhill

[daddyo]

Apart from a Focus JAM2 I also ride a Ghost SLAMR hybride. Very recently it developed a rattling noise when riding downhill over a rougher surface. I dont think it is chain slap, it is similar to the rattling noise that the new EP8 and Bosch Gen 4 motors make. Also only guessing it is the motor, it may be the whole crankset. When I lift and drop the bike the noise is usually there. Also if I tap the chain it seems to come from the crankset/ motor. My other Shimano E8000 does not make that noise at all. Any ideas folks ?

 

[R120]

Is it the model with the external battery? if so I would check the battery connection as it can loosen over time.

 

[daddyo]

Yes it is with external battery but it isnt the battery. I checked

 

[R120]

Ok, next up I would check the chain guide, these have a habit of getting loose and slipping.

 

[R120]

And have a look though the dealer manual, and check everything in the area

Official Shimano Service Manual, and User Manuals for all Steps EMTB motors

Here is a link to the official service manual for all the Steps System's, a useful resource for bodging and fixing https://si.shimano.com/pdfs/sm/SM-SHIMANO_STEPS_US-000.pdf This is the E7000 user manual: https://si.shimano.com/pdfs/um/UM-79E0A-002-00-ENG.pdf And the E8000...

www.emtbforums.com

 

[Strive77]

Apart from a Focus JAM2 I also ride a Ghost SLAMR hybride. Very recently it developed a rattling noise when riding downhill over a rougher surface. I dont think it is chain slap, it is similar to the rattling noise that the new EP8 and Bosch Gen 4 motors make. Also only guessing it is the motor, it may be the whole crankset. When I lift and drop the bike the noise is usually there. Also if I tap the chain it seems to come from the crankset/ motor. My other Shimano E8000 does not make that noise at all. Any ideas folks ?

Hey, did you find out what this was? Had my motor replaced a month ago and I’ve noticed this too. Any help would be appreciated!

 

[daddyo]

Hey, did you find out what this was? Had my motor replaced a month ago and I’ve noticed this too. Any help would be appreciated!

Hi , I sold the bike a while ago, never found out what it was.