92Rocky-RS-Rear_Axle_and_Suspension-Part1
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PART 1 - PART 2 - PART 3 - PART 4
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REAR AXLE & SUSPENSION
OUTLINE OF REAR AXLE &
SUSPENSION RS- 2 REAR SPRING RS- 8 REAR SHOCK ABSORBER RS-18 REAR AXLE SHAFT RS-23
WRUQO-RSOO1
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REAR AXLE & SUSPENSION
OUTLINE OF REAR AXLE & SUSPENSION
REAR SUSPENSION
The rear suspension is a rigid type and is composed of leaf springs. For improved negotiabiiity over rough terrains and steering response, shackles are installed at the back side.
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REAR AXLE 81 SUSPENSION
REAR SPRING
The rear spring adopts leaf springs which consist of 4 leaves, thus assuring excellent negotiability over r
y over rough terrains.
REAR SHOCK ABSORBER
The rear shock absorber is a nitrogen gas-sealed type shock absorber.
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REAR AXLE & SUSPENSION
REAR AXLE
The rear axle housing employs a banjo type. The axle is a semi-floating type. The bearing adopts a radial ball bearing, where the axle shaft is secured to the bearing retainer by means of shrinkage fitting. The clearance between the bearing and the backing plate is adjusted by shims.
21
Bearing retainer
Adjusting shim
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REAR AXLE & SUSPENSION
REAR AXLE HOUSING
The rear axle housing employs a banjo type rear axle housing which features high rigidity of the axle tube and easy removal'/installation of the rear differentiai carrier.
E
1375 (54.13)
REAR AXLE SHAFT
The rear axle shaft adopts a semi-floating type, where the wheel is attached directly to the drive shaft and the vehicle weight is sustained by the drive shaft and axle tube half-and-half.
7
Unit: mm (inch)
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REAR AXLE & SUSPENSION
Rear suspension specifications
Vehicle model
All models
Item
Camber (under unloaded state) mm (inch) 165 (6.5)
Span x width x sheet thickness - Number of
Spring | Main spring
constant 1 Combined
Shock absorber
Damping force (at time of piston speed of 0.3 mls)
During rebound stroke kgf (lb)
198 (436.6)
During compression stroke kgf (lb)
Maximum Iength
mm (inch)
448 (17.6)
Minimum length
mm (inch)
267 (10.5)
Stroke
mm (inch)
181 (7-13)
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REAR AXLE & SUSPENSION
COMPONENTS
® ®
1.9 (13.7 _ 22.4, 18.6 - 30.4)
Bush Bush Rear spring shackle Rear spring shackle Bush No. 2 Rear spring assy “U” bolt Rear spring bumper Spring “U” bolt seat S/A Washer plate Cushion Cushion ® Washer plate Rear shock absorber Washer plate Cushion
4.0 - 5.5 (28.9 - 39.8,
/C Cushion ® W Washer plate Nut
Nut Rear axle housing assy Rear axle bearing inner retainer Rear axle shaft oil seal Shim Bearing Rear axle housing end gasket Oil seal Brake drum oil deflector Rear axle shaft Rear axle bearing outer retainer (Brake backing plate)
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REAR AXLE & SUSPENSION
REAR SPRING
COMPONENTS
1:1: Tightening torque Unit : kgf-m (ft-lb, N-m) *k : Non-reusable parts
7.0 - 9.0
(60.6 - 65.1 66.6 - 66.3)
my
12.0-14.0 187.0- 101, 118-137)
ear spring bumper
© Rear spring shackle Spring "U" bolt seat S/A (T) Washer Bush Nut Nut Bush No. 2 Bolt Rear spring assembly
TROUBLE' SHOOTING
Symptom Q Possible causes ` Checking points
Abnormal noise Spring bushes worn . vehicae body mted spring damaged Che” am bush'
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REAR AXLE & SUSPENSION
NOTE: 1. Care must be exercised so that the right and left leaf springs may not be exchanged with each other during the removal and installation of the leaf springs. 2. When replacing the leaf springs, assemble them accord
ing to the following combination of the marking codes (+, O, -) which were put on the leaf springs. The right table indicates the priority order with the top priority attached to the (1).
REMOVAL
1. Remove the rear spring bumper by removing the attaching
bolts.
2. Loosen the lock nut of the attaching nut at the lower side of
the rear shock absorber.
3. Loosen the attaching nut at the lower side ofthe rear shock absorber, While preventing the rear shock absorber from turning by lower side of the shock absorber.
4. Remove the attaching nut at the lower side ofthe rear shock
absorber. Remove the washer plate and cushion.
Right
Left
O
(4)
(5)
+
(6)
Washer plate
Nut
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REAR AXLE & SUSPENSION
5. Jack up the vehicle untii the rear tires are just contacting
the ground (with no load applied to the re-ar axle): Applg/ /A /1,; safety stands to the frame so as to support the vehlcle. y ' / V $1. o/
WRU90-R501
6. Removal of U bolt
1) Measure the protruding dimension of the U bolt tighten
ing nut. Record the measured value.
2) Loosen the U bolt attaching nuts evenly over two or U / U three stages. ki ,c CAUTION: , "
3) Remove the U bolt attaching nuts. Remove the spring
U bolt seat and U bolt.
Removal of rear spring shackle pin
1) Remove the rear spring shackle attaching nuts. Remove
the shackle bracket.
RS-10
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