100-04-52
Noise, Vibration and Harshness
100-04-52
DIAGNOSIS AND TESTING (
CONTINUED
)
E859 EN
02/2001 2002 Bantam
CONDITIONS
DETAILS/RESULTS/ACTIONS
H2: CARRY OUT THE ENGINE RUN-UP CHECK
1
Carry out the engine run-up check.
- Select NEUTRAL and operate the engine at
the rpm where the condition occurs.
- Carry out this procedure with the clutch
engaged and disengaged.
• Does the vibration still exist?
Yes
CHECK the following systems, A/C,
REPAIR or INSTALL new components as
necessary.
No
CHECK the engine/transaxle mounts and/or
the exhaust system components. TEST the
system for normal operation.
PINPOINT TEST I: ACCESSORY DRIVE BELT CHECK
CONDITIONS
DETAILS/RESULTS/ACTIONS
I1: INSPECT THE ACCESSORY DRIVE BELT
1
Inspect the accessory drive belt.
- Inspect the belt system for:
- worn, frayed, glazed, or nicked belt.
- loose, bent, or nicked pulleys.
• Is any damage evident?
Yes
REPAIR or INSTALL new components as
necessary. TEST the system for normal
operation.
No
GO TO
I2
I2: CHECK THE BELT TENSION
1
Check the belt tension.
- Ignition switch OFF.
- Check the belt automatic tensioner operation.
• Is the belt automatic tensioner operating
correctly?
Yes
No
INSTALL a new tensioner.
TEST the system for normal operation.