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TSB 09-1-1

01/26/09

COLD START FRONT END ACCESSORY DRIVE
(FEAD) WHINE / WHISTLE NOISE

FORD:
2009 Focus, Escape

MERCURY:
2009 Mariner

ISSUE
Some 2009 Focus vehicles equipped with a 2.0L engine built from 8/15/2008, 2009 Escape and Mariner vehicles equipped with a 2.5L engine built from 10/27/2008 to 11/28/2008 may exhibit a front end accessory drive (FEAD) related high-pitched metallic whine / whistle noise. This noise may be caused by the idler pulley.

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE
NOTE
FEAD IDLER PULLEY NOISE MAY BE MOST APPARENT BETWEEN 1100-1500 RPM, AND MAY BE MORE NOTICEABLE ON ENGINE DECELERATION FROM 1500 RPM. NOISE WILL BE ELIMINATED WITH FEAD BELT REMOVED.

Replace the accessory drive belt idler pulley. Reference Workshop Manual (WSM), Section 303-05.

WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.

PART NUMBER
PART NAME
4S7Z-8678-AIdler Assembly
OPERATION
DESCRIPTION
TIME
090101A2009 Escape, Mariner 2.5L, 2009 Focus 2.0L: Replace The Accessory Drive Belt Idler Pulley (Do Not Use With 8687A, 8620F
0.5 Hr.​
DEALER CODING
BASIC PART NO.
CONDITION CODE​
8678
14​
 
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