For 1990-2009 cars only

Makes 🢒 Buick 🢒 2006 🢒 Terraza Ext. 🢒 Engine 🢒 Engine Controls - 3.9L 🢒 Drive Belt Whine Diagnosis

Drive Belt Whine Diagnosis for Buick Terraza Ext. 2006

Step	Action	Yes	No
DEFINITION: A high pitched continuous noise that may be caused by a failed bearing
1	Check for a worn accessory component bearing. Is a bearing making the noise?	Go to Step 2	System OK
2	Install new part as necessary. Is the repair complete?	System OK	--

Step

Action

Yes

DEFINITION: A high pitched continuous noise that may be caused by a failed bearing

Check for a worn accessory component bearing.

Is a bearing making the noise?

System OK

Install new part as necessary.

Is the repair complete?

System OK