Description
GUIDE PIN KIT – WABCO MAXXUS CALIPERS
PART NUMBER(S):
Fleet Products: FPK30272 (New) | Replaces OE: WABCO 6403220722, 640 322 072 2, 6403229382 | Automann 100.A2061.14 | Daewoo P3093000460
DESCRIPTION:
Model: WABCO MAXXUS
Vehicles: Freightliner and Western Star trucks equipped with WABCO MAXXUS calipers (all axles, steer and drive)
• Kit Type: Guide Pin Repair Kit
• Caliper Type: WABCO MAXXUS (mono-block, axial mount, 12° installation)
• Compatible Calipers:
– FP6403220500WC-G (MAXXUS, LH)
– FP6403220510WC-G (MAXXUS, RH)
– FP6403221040WCX (MAXXUS, LH, Reman)
– FP6403221050WCX (MAXXUS, RH, Reman)
– FP6403220500WCX (MAXXUS, LH, Reman)
– FP6403220510WCX (MAXXUS, RH, Reman)
• Kit Contents:
– Guide pins, bushings, guide pin boots
– Mounting bolts, caps
• Sealed guide system for corrosion protection
Applications:
Exclusively engineered for WABCO MAXXUS calipers used on Freightliner and Western Star trucks. Restores proper guide pin function and caliper alignment on both steer and drive axles.
CROSS-REFERENCE(S):
6403220722, 640 322 072 2, FPK30272
A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.
IMPORTANT INSTALLATION NOTES:
✔ Use only on Freightliner and Western Star trucks equipped with WABCO MAXXUS calipers
✔ Replace both guide pins and bushings during service for optimal performance
✔ Clean and prep the caliper mounting surface; ensure it is flat and free of corrosion.
✔ Lubricate all moving components with included grease
✔ Mount components and torque fasteners to OE specifications (refer to WABCO MAXXUS documentation)
✔ Turn the adjuster CLOCKWISE until the brake pads just contact the rotor (do not over-tighten).
✔ Then turn COUNTER-CLOCKWISE 1/4 turn to set clearance.
✔ Confirm system air pressure is between 100–120 psi.
✔ Block and secure wheels to prevent any movement.
✔ Depress the emergency brake release button on the dash to release spring brakes.
✔ Only after the wheels are secure and spring brakes are released should you proceed with caliper adjustment.
Warranty Information
