Take the cranks off and check the frame tubes around the bottom bracket shell. You may find cracks in the tubing right at the edges of the bottom bracket lug sockets. The cracks in the tubes will show up as cracks in the paint.
Peter White On Sun, Aug 11, 2019 at 3:48 PM Nathan Neuberger <[email protected]> wrote: > > I have a 10-ish year old Homer Hilsen. This summer on a hilly ride, it > suddenly developed a creaking sound seeming to come from the left crank. > It is not a 'clicking' noise but rather a 'creaking' sound. The sound > occurs when the left crank is rotating under load from about the 12:00 > position to 9:00 position. It occurs regardless of whether I am sitting on > the seat or not. I've spent hours trying to locate the source. Here's > what I've done: > > - Replaced the left crank arm. Pulled right crank arm and cleaned > it. Torqued both crank arms to the appropriate torque (40 N/m) > - Tightened chainring bolts > - Removed and tightened pedals. Ensured pedals were adequately lubed > (note that I bought new Grip King pedals a couple years ago and lubed the > bearings from Day 1). > - Pulled, re-greased and tightened the stem. > - Pulled and re-greased the seat post. Greased and tightened seat > rail bolts. > - Greased drop outs and tightened quick releases. > - Lubed any spot where spokes overlapped. > - Removed, greased and tightened down miscellaneous screws (water > bottle cage, rack, etc,). > > The bottom bracket, chain, cogs and chainrings were all replaced about 18 > months ago and are not worn. > > I am completely out of ideas. Any thoughts? > > Nate > > -- > You received this message because you are subscribed to the Google Groups > "RBW Owners Bunch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rbw-owners-bunch/26e98bef-efc6-4698-93ae-f8f58e6b0954%40googlegroups.com > <https://groups.google.com/d/msgid/rbw-owners-bunch/26e98bef-efc6-4698-93ae-f8f58e6b0954%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- Peter White -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rbw-owners-bunch/CA%2BD%3DXm_LiDkYp%2B5ztBp__vsyHEKMuju7j8O%3DxFv3iFEkx_POfA%40mail.gmail.com.
