Usually the filings come from straight up or nearly do, makes sense. Start by looking around carefully up above.
Here's a trick I use when I can't get at something to see, YOUR SMARTPHONE.. setting to flash stick it in there and fire away changing positions for coverage. The huge Benny , you can blow the suspect ones up for a close up worms eve view. Works like a charm and free. Do try a cheapo mechanics stethoscope though. If something's rubbing it's soooooo helpful zeroing in on it. It's a tool you'll use again and again guaranteed .
Do get with that forum though. Chances are DanO May well tell you what part usually fails. That site Also gives you the parts schematic do you can see what comes off how to 🙈go where.
Here's a trick I use when I can't get at something to see, YOUR SMARTPHONE.. setting to flash stick it in there and fire away changing positions for coverage. The huge Benny , you can blow the suspect ones up for a close up worms eve view. Works like a charm and free. Do try a cheapo mechanics stethoscope though. If something's rubbing it's soooooo helpful zeroing in on it. It's a tool you'll use again and again guaranteed .
Do get with that forum though. Chances are DanO May well tell you what part usually fails. That site Also gives you the parts schematic do you can see what comes off how to 🙈go where.