2006 MERCEDES-BENZ SPRINTER Service Manual

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Page 745 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual

Page 746 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual DIFFERENTIAL & DRIVELINE
TABLE OF CONTENTS
page page
PROPELLER SHAFT.......................1REAR AXLE.............................12
PROPELLER SHAFT
TABLE OF CONTENTS
page page
PROPELLER SHAFT
DIAGNOS

Page 747 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual DRIVELINE VIBRATION
Drive Condition Possible Cause Correction
Propeller Shaft Noise 1) Undercoating or other foreign
material on shaft.1) Clean exterior of shaft and wash
with solvent.
2) Loose U-join

DRIVELINE VIBRATION
Drive Condition Possible Cause Correction
Propeller Shaft Noise 1) Undercoating or other foreign
material on shaft.1) Clean exterior of shaft and wash
with solvent.
2) Loose U-joint clamp screws. 2) Install new clamps and screws
and tighten to proper torque.
3) Loose or bent U-joint yoke or
excessive runout.3) Install new yoke.
4) Incorrect driveline angularity. 4) Measure and correct driveline
angles.
5) Rear spring center bolt not in
seat.5) Loosen spring u-bolts and seat
center bolt.
6) Worn U-joint bearings. 6) Install new U-joint.
7) Propeller shaft damaged or out
of balance.7) Installl new propeller shaft.
8) Broken rear spring. 8) Install new rear spring.
9) Excessive runout or unbalanced
condition.9) Re-index propeller shaft, test,
and evaluate.
10) Excessive drive pinion gear
shaft runout.10) Re-index propeller shaft and
evaluate.
11) Excessive axle yoke deflection. 11) Inspect and replace yoke if
necessary.
12) Excessive transfer case
runout.12) Inspect and repair as neces-
sary.
Universal Joint Noise 1) Loose U-joint clamp screws. 1) Install new clamps and screws
and tighten to proper torque.
2) Lack of lubrication. 2) Replace as U-joints as neces-
sary.
PROPELLER SHAFT BALANCE
NOTE: Removing and indexing the propeller shaft
180É relative to the yoke may eliminate some vibra-
tions.
If propeller shaft is suspected of being out of bal-
ance, verify with the following procedure:
(1) Place vehicle in netrual.
(2) Raise and support the vehicle by the axles as
level as possible.
(3) Clean all foreign material from propeller shaft
and universal joints.
(4) Inspect propeller shaft for missing balance
weights, broken welds, and bent areas.
NOTE: If propeller shaft is bent, it must be replaced.
(5) Inspect universal joints for wear, properly
installed and correct alignment with the shaft.
(6) Check universal joint clamp screws torque.
(7) Remove wheels and tires. Install wheel lug
nuts to retain the brake drums/rotors.(8) Mark and number propeller shaft six inches
from the pinion yoke end at four positions 90É apart.
(9) Run and accelerate the vehicle until vibration
occurs. Note intensity and speed the vibration
occurred. Stop the engine.
(10) Install a screw clamp at position 1 (Fig. 1).
3 - 2 PROPELLER SHAFTVA

Page 748 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual (11) Start engine and re-check for vibration. If lit-
tle or no change in vibration is evident, move clamp
to the next positions and repeat vibration test.
NOTE: If there is no difference in vibration

Page 749 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual RUNOUT SPECIFICATIONS
Front of Shaft 0.020 in. (0.50 mm)
Center of Shaft 0.025 in. (0.63 mm)
Rear of Shaft 0.020 in. (0.50 mm)
note:
Measure front/rear runout approximately 76 mm (3
in.) from the weld

RUNOUT SPECIFICATIONS
Front of Shaft 0.020 in. (0.50 mm)
Center of Shaft 0.025 in. (0.63 mm)
Rear of Shaft 0.020 in. (0.50 mm)
note:
Measure front/rear runout approximately 76 mm (3
in.) from the weld seam at each end of the shaft
tube for tube lengths over 30 inches. For tube
lengths under 30 inches, the maximum allowed
runout is 0.50 mm (0.020 in.) for the full length of
the tube.
STANDARD PROCEDURE
PROPELLER SHAFT ANGLE
This procedure applies the front and rear propeller
shafts.
(1) Place vehicle in netural.
(2) Raise and support vehicle at the axles as level
as possible.
(3) Remove universal joint snap rings if equipped,
so Inclinometer 7663 base sits flat.
(4) Rotate shaft until transmission case output
yoke bearing is facing downward.
NOTE: Always make measurements from front to
rear and from the same side of the vehicle.
(5) Place Inclinometer 7663 on yoke bearing (A)
parallel to the shaft. Center bubble in sight glass and
record measurement.
This measurement will give you the transmis-
sion yoke Output Angle (A).
(6) Rotate propeller shaft 90 degrees and place
inclinometer on yoke bearing parallel to the shaft.
Center bubble in sight glass and record measure-
ment. This measurement can also be taken at the
rear end of the shaft.
This measurement will give you the Propeller
Shaft Angle (C).
(7) Rotate propeller shaft 90 degrees and place
inclinometer on companion flange yoke bearing par-
allel to the shaft. Center bubble in sight glass and
record measurement.
This measurement will give you the Pinion
Flange Input Angle (B).
(8) Subtract smaller figure from larger (C minus
A) to obtain TransmissionOutput Operating
Angle.
(9) Subtract smaller figure from larger (C minus
B) to obtain axleInput Operating Angle.
Refer to rules and example in (Fig. 4) for addi-
tional information.
RULES
²Good cancellation of U-joint operating angles
should be within 1degree.
²Operating angles should be less than 3 degrees.
²At least 1/2 of one degree continuous operating
(propeller shaft) angle.
3 - 4 PROPELLER SHAFTVA

Page 750 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual TWO / THREE - PIECE PROPELLER SHAFT
The procedure to measure the propeller shaft
angles involved with a two/three-piece (Fig. 5) propel-
ler shaft is the same as those for a one-piece propel-
ler shaf

Page 751 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual SPECIFICATIONS
TORQUE SPECIFICATIONS
DESCRIPTION N´m Ft. Lbs. In. Lbs.
Propeller shaft to trans-
mission bolt70 52 -
Propeller shaft to axle
bolt70 52 -
Retaining bracket to
frame floor bolt100 74 -

Page 752 of 2305

MERCEDES-BENZ SPRINTER 2006 Service Manual PROPELLER SHAFT
REMOVAL
(1) Secure vehicle to prevent it from rolling.
(2) Make installing reference marks on propeller
shaft (Fig. 6) and (Fig. 7).
(3) Remove retaining bracket bolts (Fig. 8) and
(Fi

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