Mercedes-Benz Sprinter / Dodge Sprinter. Service manual — part 180
LOW SPEED KNOCK
Low speed knock is generally caused by a worn
U-joint or by worn side-gear thrust washers. A worn
pinion shaft bore will also cause low speed knock.
VIBRATION
Vibration at the rear of the vehicle is usually
caused by a:
• Damaged drive shaft.
• Missing drive shaft balance weight(s).
• Worn or out-of-balance wheels.
• Loose wheel lug nuts.
• Worn U-joint(s).
• Loose/broken springs.
• Damaged axle shaft bearing(s).
• Loose pinion gear nut.
• Excessive pinion yoke run out.
• Bent axle shaft(s).
Check for loose or damaged front-end components
or engine/transmission mounts. These components
can contribute to what appears to be a rearend vibra-
tion. Do not overlook engine accessories, brackets
and drive belts.
NOTE: All driveline components should be exam-
ined before starting any repair.
DRIVELINE SNAP
A snap or clunk noise when the vehicle is shifted
into gear (or the clutch engaged), can be caused by:
• High engine idle speed.
• Transmission shift operation.
• Loose engine/transmission/transfer case mounts.
• Worn U-joints.
• Loose spring mounts.
• Loose pinion gear nut and yoke.
• Excessive ring gear backlash.
• Excessive side gear to case clearance.
The source of a snap or a clunk noise can be deter-
mined with the assistance of a helper. Raise the vehi-
cle on a hoist with the wheels free to rotate. Instruct
the helper to shift the transmission into gear. Listen
for the noise, a mechanics stethoscope is helpful in
isolating the source of a noise.
STANDARD PROCEDURE - DRAIN AND FILL
NOTE: Drain oil when warm.
(1) Clean area around oil fill plug and drain plug.
(2) Remove oil drain plug (2) and drain oil (Fig. 1).
(3) Install oil drain plug and tighten to N·m 100
(74 ft. lbs.).
(4) Remove oil fill plug (1) and fill housing up to
bottom edge of oil fill hole (Fig. 1).
(5) Install oil fill plug and tighten to N·m 100 (74
ft. lbs.).
Fig. 1 FILL PLUG
1 - FILL PLUG
2 - DRAIN PLUG
VA
REAR AXLE
3 - 13
REMOVAL
Fig. 2 SINGLE REAR WHEEL AXLE
1 - REAR SPRING
12 - WEAR INDICATOR CONNECTOR
2 - U-BRACKET
13 - BRAKE HOSE
3 - PLATE
14 - WHEEL BOLT
4 - NUT
15 - BOLT
5 - BRAKE CABLE
16 - NUT
6 - REAR AXLE
17 - PROPELLER SHAFT
7 - ABL LEVER
18 - BOLT
8 - NUT
19 - ABS SENSOR
9 - SHOCK ABSORBER
20 - SENSOR BUSHING
10 - BOLT
21 - VENT LINE
11 - WEAR INDICATOR CABLE
3 - 14
REAR AXLE
VA
(1) Raise and support the vehicle.
(2) Position a suitable lifting device under the axle
and secure axle to device.
(3) Remove wheels and tires.
(4) Unplug wear indicator cable (Fig. 2) and (Fig.
3).
(5) Detach cable connector for brake pad wear
indicator.
(6) Remove ABS sensor and clamp bushing from
mounting bore.
NOTE: The right-hand ABS sensor cable is labeled
at the factory with a white tag.
(7) Remove cable ties from the park brake cables.
Release connection cable of brake pad wear indicator
and ABS sensor cable up to the relay unit of the
parking brake.
(8) Remove brake cables.
(9) Remove hand brake cable at relay unit.
(10) Remove bracket for brake cables at rear axle
tube.
(11) Remove stabilizer bar from axle brackets.
(12) Remove shock absorber bolts from rear axle.
(13) Remove ALB lever from rear axle bracket.
(14) Pull vent line of rear axle out of frame.
(15) Remove propeller shaft.
(16) Remove brake calipers.
(17) Remove U-brackets and plates (Fig. 2) and
(Fig. 3).
(18) Remove axle from the vehicle.
Fig. 3 DUAL REAR WHEEL AXLE
1 - SPRING
12 - BRAKE HOSE
2 - SPRING SHACKLE
13 - LUG NUT
3 - PLATE
14 - NUT
4 - COLLAR NUT
15 - WASHER
5 - BRAKE CABLE
16 - BOLT
6 - REAR AXLE
17 - SHOCK ABSORBER
7 - ALB LEVER
18 - PROPELLER SHAFT
8 - NUT
19 - BOLT
9 - BOLT
20 - ABS SENSOR
10 - WEAR INDICATOR CABLE
21 - SENSOR BUSHING
11 - WEAR INDICATOR CONNECTOR
VA
REAR AXLE
3 - 15
INSTALLATION
Fig. 4 SINGLE REAR WHEEL AXLE
1 - REAR SPRING
12 - WEAR INDICATOR CONNECTOR
2 - U-BRACKET
13 - BRAKE HOSE
3 - PLATE
14 - WHEEL BOLT
4 - NUT
15 - BOLT
5 - BRAKE CABLE
16 - NUT
6 - REAR AXLE
17 - PROPELLER SHAFT
7 - ABL LEVER
18 - BOLT
8 - NUT
19 - ABS SENSOR
9 - SHOCK ABSORBER
20 - SENSOR BUSHING
10 - BOLT
21 - VENT LINE
11 - WEAR INDICATOR CABLE
3 - 16
REAR AXLE
VA
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