Brakes - Intermittent Front Brake Squeal
TSB 11-10-2910/31/11
FRONT BRAKES - INTERMITTENT SQUEAL
FORD:
2011-2012 Taurus, Explorer, Flex
LINCOLN:
2011-2012 MKS, MKT
ISSUE
Some 2011-2012 MKS, Flex, Taurus, MKT and Explorer vehicles built between 8/10/2010 and 08/02/2011 and some 2011-2012 Taurus SHO not equipped with the Per[ormance Package built between 8/10/2010 and 8/02/2011 may exhibit a low frequency squeal from the front brakes.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
NOTE
PERFORMANCE PACKAGE SHO'S ARE NOT INCLUDED IN THIS PROCEDURE.
The Taurus SHO with the Per[ormance Package is equipped with per[ormance brake pads. Per[ormance package Taurus's can be identified by SHO Per[ormance Package - Per[ormance brake pads, EPAS calibrated steering, ESC track mode/true off, 3.16 final drive ratio, 20" premium painted wheels with per[ormance summer tire compound (P245/45YR) and tire mobility kit and is denoted by option code 12S.
NOTE
IF BRAKE DISC REPLACEMENT IS REQUIRED VERIFY IF YOUR DEALERSHIP IS ON THE DIGITAL IMAGING PROGRAM WHICH WILL REQUIRE PRIOR APPROVAL BEFORE REPLACING BRAKE DISCS. DO NOT REMOVE THE DULL GREY COATING ON THE NEW BRAKE DISCS; IT IS CORROSION PROTECTION.
NOTE
IT IS IMPORTANT THAT THE INNER AND OUTER BRAKING SURFACES OF THE BRAKE DISCS BE COMPLETELY CLEANED OF ANY METAL DUST, DIRT AND GREASE USING MOTORCRAFT(R) METAL BRAKE PARTS CLEANER AND A CLEAN RAG.
1. Measure the thickness of the front brake discs.
a. If the minimum thickness is over 28.5 mm (1.122") resurface them using an on-vehicle brake lathe, Refer to Workshop Manual (WSM), Section 206-00.
(1) It is very important that all of the machining material has been removed from the front brake discs before installing the caliper and pads.
b. If the minimum thickness is equal to or less than 28.5 mm (1.122"). Replace the front brake disc, refer to WSM, Section 206-03.
2. Clean caliper anchor plate mounting surfaces, caliper anchor brackets and bolts of machining material. Refer to WSM, Section 206-03.
3. Replace the front brake pads. Refer to WSM, Section 206-03.
NOTE
FAILURE TO APPLY THE GREASE MAY RESULT IN UNACCEPTABLE BRAKE NOISE AT LOWER SPEEDS UNDER LIGHT BRAKING.
NOTE
GREASE SHOULD NOT BE APPLIED TO OTHER COMPONENTS LIKE PINS OR SHIMS. DURING BRAKE INSPECTION, LOOK FOR FOREIGN OBJECTS TRAPPED BETWEEN THE DUST SHIELD AND ROTOR. THESE CAN CAUSE NOISE DURING BRAKING AND OFF-BRAKE CONDITIONS.
Parts Block
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.
OPERATION DESCRIPTION TIME
111029A 2011-2012 Taurus, MKS, 1.2 Hrs.
Flex, Explorer, MKT:
Machine Front Brake
Discs. (Can Be Used With
Operation C If Required).
(Cannot Be Used With
Operation B)
111029B 2011-2012 Taurus, MKS, 1.0 Hr.
Flex, Explorer, MKT:
Replace Front Brake Discs
(Can Be Used With
Operation C If
Required).(Cannot be Used
With Operation A)
111029C 2011-2012 Taurus, MKS, 0.3 Hr.
Flex, Explorer, MKT:
Additional Time For Prior
Approval If Required
DEALER CODING
CONDITION
BASIC PART NO. CODE
2001 42
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