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• Either bushing end contacts a torque arm
pin mounting bolt.
• There are cracks in the bushing.
• Part of the rubber bushing extends beyond
the outside diameter of the outer bushing
sleeve.
Sterling Spring (Tandem)
Equalizer Bushing Checking
1. Block the frame up enough to take the weight of
the chassis off of the springs. Attempt to move
the equalizer up and down, by using a pry bar
between the top of the equalizer and the top of
the equalizer bracket. Apply hand pressure only.
See Fig. 3. If movement at the center of the
equalizer exceeds 1/8 inch (3 mm), replace the
equalizer bushings.
2. With the vehicle unloaded, attempt to move the
equalizer side to side using a pry bar between
the equalizer and frame rail. Apply hand pressure
only. See Fig. 4. If clearance between the equal-
izer assembly and any frame component or fas-
tener is less than 1/8 inch (3 mm), replace the
equalizer bushings.
52-Inch Multi-Leaf Spring
Component Check
No lubrication is required on the 52-inch multi-leaf
spring rear suspension.
Inspect the stabilizer bar, if present, for irregular
bushing wear or cracks in the brackets. Check the
rubber helper spring, if present, for cracks.
f320267a
10/05/94
1
2
3
1. Upper Mounting Bracket
2. Shock Absorber
3. Lower Mounting Bracket
Fig. 1, Front Shock Absorber Installation (vehicles built
before September 15, 2002)
f320021a
05/27/93
Fig. 2, Torque Arm Bushings
f320022a
05/27/93
1
2
3
A
A. Measure the change in gap at this point.
1. Equalizer Bracket
2. Equalizer
3. Pry Bar
Fig. 3, Side View of the Equalizer
Suspension32
Acterra Maintenance Manual, September 200232/2