Diagnostic Procedure

NO. 22 VIBRATION CONCERNS, ENGINE DIAGNOSTIC PROCEDURE

STEP	INSPECTION	RESULTS	ACTION
1	VERIFY PART INSTALLATION CONDITION Inspect the following components for loose attaching bolts or worn parts: Cooling fan Drive belt and pulleys Engine mounts Exhaust system mounts Generator Is there any malfunction?	Yes	Readjust or retighten engine mount installation position. Repair or replace the malfunctioning part if necessary for other parts.
No	Inspect the following systems: Wheels ATX MTX Driveline Suspension Repair or replace the malfunctioning part according to the inspection results.
2	Verify test results. If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX .) If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If the vehicle is repaired, troubleshooting is completed. If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest.

STEP

INSPECTION

RESULTS

ACTION

VERIFY PART INSTALLATION CONDITION

Yes

Readjust or retighten engine mount installation position.
Repair or replace the malfunctioning part if necessary for other parts.

Inspect the following systems:

Repair or replace the malfunctioning part according to the inspection results.

Verify test results.

If normal, return to the diagnostic index to service any additional symptoms. (See SYMPTOM DIAGNOSTIC INDEX .)
If the malfunction remains, inspect the related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.

If the vehicle is repaired, troubleshooting is completed.
- If the vehicle is not repaired or additional diagnostic information is not available, reprogram the PCM if a later calibration is available. Retest.