Spicer Axle with Anti-Locking Brake Systems - Manual

SPICER
®
AXLE WITH ANTI-LOCKING BRAKE
SYSTEMS
AXL-TEC-09
DATE: February 11, 1991
TO: All Spicer Light Axle Distributors
Spicer axles are designed to meet OEM vehicle engineering and performance specifications.
Conversion or alteration of these axles can cause improper performance by or damage to the
axles and/or other vehicle systems and should not be attempted without contacting the OEM
manufacturer for specific directions and guidelines.
For many of the newer Spicer axles, which are designed to accommodate anti-locking
brakes, the following additional safety related consideration is important. The bills of
materials for some of these axles (for example, Model 60’s and Model 70’s), include a tone
ring that is pressed on to the OD of the ring gear flange on the differential case, a special
differential case that has been machined to accept the tone ring, and a housing with a
provision for locating a sensor relative to the tone ring. The location of the sensor relative
to the location of the tone ring must be exactly maintained to ensure the functioning of the
anti-locking brake sensors. Ratio changes that require changing the location of the ring gear
flange on the differential case require changing the entire axle housing.
Customers ordering ring and pinion sets or other parts for a ratio change for Spicer axles
with anti-locking brakes should be advised of the need to change the entire housing in order
to maintain the functioning o the anti-locking brake system. Housings are available only
though the vehicle manufacturer via their dealers.
If you are in doubt about whether a specific Spicer axle bill of materials includes anti-locking
brake components, please check with us.
Gene Zavrel
Product Manager