MeritorPartsOnline.com
USA - 888-725-9355
4-24
CANADA - 800-387-3889
SERVICE PART INSTRUCTIONS
SERVICEPART INSTRUCTIONS
SERVICEPART INSTRUCTIONS
Figure 2
8. Measure the bumper gap. Use the largest feeler gauge or stack
of gauges that will fit into the gap on either side of the
screwdriver. Figure 2.
9. Use the bumper gap measurement to select a shim according
to the table.
If the bumper gap exceeds 0.145-inch (3.683 mm):
Replace the old caliper with a new caliper and remeasure
the bumper gap.
If the bumper gap with the new caliper is between
0.058-inch (1.473 mm) and 0.145-inch (3.683 mm):
Select a shim from the table.
If the bumper gap with the new caliper exceeds
0.145-inch (3.683 mm):
Replace the anchor plate also.
Use a new key and spring when assembling the new
components.
Gap Size
Shim Thickness
0-0.058
s
(0-1.473 mm)
None required
0.058-0.101
s
(1.473-2.565 mm)
0.025
s
(0.635 mm)
0.101-0.145
s
(2.565-3.683 mm)
0.045
s
(1.143 mm)
0.145
s
(3.683 mm)
Refer to Step 9.
Install the Shim
1. Remove the caliper assembly from the anchor plate. Install the
selected shim on the anchor plate v-way opposite the key and
spring v-way. Figure 3.
Figure 3
2. With the shim in place on the anchor plate v-way, reinstall the
caliper assembly with a new key and spring.
3. Measure the bumper gap as described in Steps 7 and 8. If the
gap exceeds 0.058-inch (1.473 mm), install a thicker shim or
replace components as described in Step 9.
Figure 2
4006583a
SUPPORT
KEY
“A”
“B”
“D”
“C”
BUMPER
GAP
STEERING
KNUCKLE
STEERING
KNUCKLE
Figure 3
4006584a
BOLT
KEY
ANCHOR
PLATE
SPRING
SHIM
ANCHOR
PLATE
V-WAY




