100-04-46 Noise, Vibration and Harshness 100-04-46
DIAGNOSIS AND TESTING (CONTINUED)
E859 EN 02/2001 2002 Bantam
CONDITIONS
DETAILS/RESULTS/ACTIONS
D5: CHECK FOR ACCESSORY DRIVE BELT NOISE
1 Check for accessory drive belt noise.
- Check for chirps or squeal from the belt by
spraying a small amount of water on the
grooved side of the belt (use a spray bottle or
equivalent).
• Does the noise change?
Yes
CHECK for misalignment. CHECK tensioner
position. CHECK for worn belt. REPAIR as
necessary. REFER to Section 303-05.
TEST the system for normal operation.
No
CHECK the accessory bushings/bearings.
REFER to Section 412-00. (Climate Control
System) and REFER to Section 414-02.
(Generator and Regulator). INSTALL new
components as necessary. GO TO D6
D6: CHECK THE ACCESSORIES
1 Check the accessories
- Run-up the engine to the concern rpm and
check each component.
• Is the noisy component located?
Yes
INSTALL a new accessory drive belt. If the
vibration still exists, REPAIR the
component. TEST the system for normal
operation.
No
Engine component imbalance.
REFER to
Section 303-00.
REPAIR or
INSTALL a new
component as necessary.
TEST the system
for normal operation.
PINPOINT TEST E: TYRE/WHEEL RUN OUT
CONDITIONS
DETAILS/RESULTS/ACTIONS
E1: TYRE AND WHEEL BEARING INSPECTION
1 Tyre and wheel bearing inspection.
- Raise and support the vehicle.
REFER to
Section 100-02. Inspect the tires.
REFER to
Section 204-03. Inspect the
wheel bearings.
REFER to Section 204-00.
• Are the bearings OK?
Yes
GO TO E2
No
INSTALL new bearings as necessary.
REFER to Section 204-01. (front) or
REFER
to Section 204-02A / 204-02B. (rear).
GO
TO E2