Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 1154

4C–28

DRIVE SHAFT SYSTEM

Diagnosis of Propeller Shaft and 
Universal Joint

Condition

Possible cause

Correction

Universal Joint Noise.

Worn universal joint bearings.

Replace.

Improper lubrication.

Lubricate as directed.

Loose flange bolts.

Tighten to specifications.

Ping, Snap, or Click in Drive Line
(Usually Heard on Initial Load after
the Transmission is in Forward or
Reverse Gear)

Loose bushing bolts on the rear
springs or upper and lower control
arms.

Tighten the bolts to specified torque.

Loose or out-of-phase end yoke.

Remove end yoke, turn 180 degrees
from its original position, lubricate
the splines and reinstall. Tighten the
bolts and pinion nut to specified
torque.

Knocking or Clanking Noise in the
Driveline when in High or Neutral
Gear at 16km/h(10mph)

Worn or damaged universal joint

Replace the universal joint.

Squeak

Lack of lubricant.

Lubricate joints and splines. Also
check for worn or brinelled parts.

Shudder on Acceleration (Low
Speed)

Loose or missing bolts at the
flanges.

Replace or tighten bolts to specified
torque.

Incorrectly set front joint angle.

Install  shim  under  the  transmission
support mount to change the front
joint angle.

Worn universal joint.

Replace.

Vibration

Incorrect shaft runout.

Replace.

Shaft out of balance.

Adjust.

Transmission rear housing bushing,
transfer case housing bushing worn.

Replace.

Yoke spline jammed.

Replace.

Excessive Leak at the Front Spline
Yoke of Rear Propeller Shaft

Rough surface on splined yoke;
burred nicked or worn.

Replace the seal. Minor burrs can
be Smoothed by careful use of
crocus cloth or fine stone honing.
Replace the yoke if badly burred.

Defective transmission rear oil seal.

Replace  the  transmission  rear  oil
seal and replenish the transmission
oil.

DRIVE SHAFT SYSTEM

4C–29

Front Propeller Shaft

Front Propeller Shaft and Associated Parts

401RW093

EndOFCallout

Removal

1. Raise the vehicle on a hoist.

NOTE:  Apply alignment marks on the flange at the front
propeller shaft both front and rear side. 

401RS020

2. Remove bolt, nut and washer (Front axle side).

3. Remove bolt, nut and washer (Transfer side).

4. Remove front propeller shaft.

Installation

NOTE:  Never install the shaft assembly backwards.
Never insert bar between yoke lugs when tightening or
removing bolts.  Completely remove the black paint
from the connecting surface of flange coupling on each
end of propeller shaft. Clean so that no foreign matter
will be caught in between.

1. Align the mark which is applied at removal. Install

front propeller shaft and tighten the bolts to the
specified torque.

Torque: 63 N·m  (46 lb ft)

Legend

(1) Bolt, Nut and Washer (Front Axle Side)

(2) Front Propeller Shaft
(3) Bolt, Nut and Washer (Transfer Side)

4C–30

DRIVE SHAFT SYSTEM

Disassembly

401RW032

EndOFCallout

1. Lay the shaft horizontally on a bench and secure.

2. Indicate the original assembled position (1) by

marking the phasing of the shaft prior to
disassembly.

401RW037

3. Using the flat blade of a screwdriver, pry the loose

end of the boot clamp upwards and away from the
propeller shaft boot.  Be careful not to damage the
boot.

4. When boot clamps becomes loose, remove by

hand.

5. Repeat for the other boot clamp.

6. Remove the slip yoke assembly from the driveshaft,

by securing the boot with one hand and pulling on
the slip yoke.

7. Remove the boot from the shaft assembly.

Legend

(1) Sleeve Yoke
(2) Clamp

(3) Boot
(4) Clamp
(5) Tube Assembly

DRIVE SHAFT SYSTEM

4C–31

Universal Joint Disassembly

401RW031

EndOFCallout

1. Using a soft drift, tap the outside of the bearing cup

assembly to loosen snap ring.  Tap bearing only
hard enough to break assembly away from snap
ring.
Remove snap ring from yoke.  Turn joint over, tap
bearing away from snap ring, then remove opposite
snap ring.
Apply alignment marks (1) on the yokes of the
universal joint,  then remove snap ring.

401RW018

Legend

(1) Flange Yoke
(2) Snap Ring

(3) Spider
(4) Needle Roller Bearing