symptom: oil coming out of top thread ring or lower shrader valve
cause: Blown shrader valve
solution: Bad shrader valve can be replaced. Call for re-bleed instructions
field service: yes
tools: 10mm socket and shrader removal tool
parts: shrader valve
symptom: Oil coming out of top thread ring or lower shrader valve
cause: Broken guide block screw.
solution: Post will need to be returned to crankbrothers or service center for repair.
field service: no
tools: none
parts: none
symptom: Spongy at bottom of travel
cause: Air pocket trapped inside outer tube
solution: Unscrew thread ring, cycle post to bottom while the lever is activated. Release the lever when the post is at the bottom of its travel and retighten thread ring hand tight.
field service: yes
tools: none
parts: none
symptom: Spongy at bottom of travel
cause: Air mixed in with oil.
solution: Cycle post up and down slowly while lifting the lever or pushing on the joystick.
field service: yes
tools: none
parts: none
symptom: Post very sticky and slow to return
cause: Contaminated lubrication of bushings and guide block
solution: Pull off outer tube per instruction manual, clean with mild degreaser, re-grease with a light wheel bearing grease.
field service: yes
tools: 10mm socket
parts: light weight grease
symptom: Post very sticky and slow to return
cause: Seatpost clamp is too tight.
solution: Loosen seatpost clamp slightly.
field service: Yes
tools: Hex wrench 4, 5 or 6mm depending on seat collar.
parts: none
symptom: Post will not stay up or down position, even after cycling a few times
cause: Main internal valve has broken. Check adjustment lever.
solution: Post will need to be returned to crankbrothers or service center for repair. Make sure that adjuster screw is not screwed in too far to hold in release rod.
field service: no
tools: none
parts: none
symptom: Seat clamp head will not tighten up properly
cause: No grease on bolt
solution: Remove all pieces of clamp assembly and clean. Grease bolt threads and inside of clamp fingers where they touch inside plates. Keep inside conical surfaces of black inner plates clean and grease free. Make sure to set all plates at position of saddle before tightening. Carbon past may be applied to the conical parts if needed as well.
field service: yes
tools: 5mm hex, grease
parts: Light weight grease "slick honey" type.
symptom: Seat has side to side play of more than 10 to 12mm play at the nose of the saddle.
cause: Lack of maintenance, worn guide block
solution: Grease guide block and bushing frequently, more under any adverse conditions. Post is meant to have minimal play which is (approximately 10-12mm play at nose of saddle) very difficult to detect while riding. Guide block is a wear item.
field service: yes
tools: T20 Torx
parts: #90449 guide block