Mariner 2WD V6-3.0L (2008)
Drive Belt: Customer Interest
Engine - FEAD Belt Whining/Bearing Type Noise
TSB 09-21-2
11/02/09
3.0L FRONT END ACCESSORY DRIVE RIGHT HAND
IDLER PULLEY BEARING NOISE
FORD:
2008 Escape
MERCURY:
2008 Mariner
This article supersedes TSB 09-14-6 to update the Service Procedure and Part List.
ISSUE
Some 2008 Escape and Mariner vehicles equipped with 3.0L engine may exhibit front end accessory drive (FEAD) whining/bearing type noise. The
noise may be coming from the right hand (RH) FEAD idler pulley that is in front of the right bank cylinder head.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1. Using a stethoscope, place end on the bolt that holds the right hand idler pulley on.
a. If the noise is coming from the bolt/pulley, then go to Step 2 and replace the idler pulley.
b. If the noise is not coming from the bolt/pulley, follow Work Shop Manual (WSM), Section 303-05B to diagnose.
2. Remove bolt that holds the pulley and bearing assembly on to the bracket. Refer to WSM Section 303-05B.
3. Remove pulley.
4. Install new pulley and torque pulley bolt to 18 lb-ft (25 N.m).
5. Loosen the pulley and bracket assembly. Torque bolts to 18 lb-ft (25 N.m) following the torque sequence. (Figure 1)
NOTE
IF BOLTS ARE NOT TORQUED IN SEQUENCE AS ILLUSTRATED, THEN PREMATURE BEARING FAILURE MAY OCCUR.
Parts Block