Trek 2021 E-CALIBER - Page 13

2021 E-Caliber Service Manual
12
Air volume spacer (continued)
4. Sitontheseattocompressthesuspension.Thefront
of the IsoStrut will move away from the top tube to
provideclearancefortheBSA30wrench.
5. Position your body on the seat to keep the shock
compressed, and use the BSA30 wrench to break the
lockringlooseandunthreaditfromthecarriage.
NOTICE: Useasoftclothtoprotectthetoptube
fromscratchesthattheBSA30wrenchmaycause.
6. Once the ring is unthreaded from the shock, the front
endoftheshockwillextendforwardstorevealan
o-ring,aroundmetalplateandtheairspacer.
1 2
3
Item Description
1 O-ring
2 Round metal plate
3 Air spacer
Replace the air spacer
1. Clean off any dirt or residue from the threads and the
lockring.
2. Movetheroundmetalplatetowardstheo-ring.Usea
spannerplierstoremovetheairvolumespacer.
3. Putanewspacerinplacearoundthedampershaft.
Tip: Depending on the size of the spacer, it may be
helpful to use the spanner pliers or a parallel jaws
plierstotthespacerinplace.
4. You should hear a ‘snap’ when the spacer snaps into
the front end of the shock.