Description
GUIDE PIN KIT – WABCO MAXXUS CALIPERS
PART NUMBER(S):
Fleet Products: FPK30272 (New) | OE: 6403220722, 640 322 072 2 |
DESCRIPTION:
Model: WABCO MAXXUS
Engines: N/A
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
• Technology: Sealed guide system for corrosion protection
• Product Category: OE-spec truck caliper repair kit
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. Not compatible with trailer systems or MAXX22T calipers.
CROSS-REFERENCE(S):
6403220722, 640 322 072 2, FPK30272A 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.
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Warranty Information
