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on a 2002 ford explorer 4xd when making a sharp turn there is a loud thud plus a winding or grinding noise comin from undernieth the truck what could it be


sounds like you might have a

sounds like you might have a bad u joint or wheel bearing.
are you looking to do repair yourself?

Wheel bariNgs were changed it

Wheel bariNgs were changed it almost sounds like it's kicking into 4xd

here's a bulletin look it

here's a bulletin look it over and let me know if you think it might apply.

TSB 05-21-4

10/31/05

SHUDDER IN 2ND AND 3RD GEAR ON
ACCELERATION - 4X4 VEHICLES WITHOUT
ADVANCETRAC

FORD:
2002-2003 Explorer

ISSUE
Some 2002-2003 Explorer 4X4 vehicles without AdvanceTrac (Interactive Vehicle Dynamics - IVD) equipped with an automatic transmission may exhibit a shudder in 2nd and 3rd gear on acceleration. This condition may be more pronounced when the vehicle is under load.

ACTION
Replace the 4X4 control module following the procedure in Workshop Manual Section 308-07A. Refer to the Part Application Table for the correct part number to install.

Parts Block

WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage

OPERATION DESCRIPTION TIME

052104A 2002-2003 Explorer 4X4: 0.7 Hr.
Replace The 4X4 Control
Module Includes Time For
Road Test To Verify
Concern (Do Not Use With
7453D, 7453D1)

DEALER CODING
CONDITION
BASIC PART NO. CODE
7E453 42

you could set it up on 4 jack

you could set it up on 4 jack stands and see if it makes the noise, if so it might be easyer to find it that way.

found another bulletin on

found another bulletin on transfer case noise, check it let me know.

4X4/AWD System - Shudder On Accel/Decel/Binding On Turns

TSB 08-21-11

10/27/08

4 WHEEL DRIVE/ALL WHEEL DRIVE - WITH
CONTROL TRAC - SHUDDER ON
ACCELERATION/DECELERATION OR BINDING ON
SLOW TURNS

FORD:
1997-2008 Expedition, Explorer
2006-2008 F-150
2007-2008 Explorer Sport Trac
2008 F-150

LINCOLN:
1998-2008 Navigator
2003-2005 Aviator

MERCURY:
2005 Mountaineer
2006-2008 Mountaineer

ISSUE
Various 1997-2008 vehicles equipped with either 4 wheel drive or all wheel drive and equipped with control trac may exhibit a shudder on acceleration/deceleration, binding in slow speed turns or noise from the front driveline and/or transfer case. The shudder/binding will occur with the vehicle being operated in the awd/auto 4x4 mode. The shudder/binding may be due to incorrect tire circumference or improper tire inflation pressures.

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE

NOTE THIS DOES NOT APPLY TO 2006-2008 MOUNTAINEER WITH A 4.0L ENGINE OR 2007-2008 EXPLORER AND SPORT TRAC WITH 20 INCH WHEELS.

NOTE VEHICLES ON THE LIST MAY REQUIRE REPLACEMENT OF TIRE/S IF THE TIRE CIRCUMFERENCE AVERAGE BETWEEN THE FRONT AND REAR AXLES ARE OUTSIDE OF THE 1/2 INCH SPECIFICATION OR IF THE TIRE CIRCUMFERENCE FROM SIDE TO SIDE ON EITHER AXLE EXCEEDS 1/2 INCH DIFFERENCE, THE SMALLER TIRE(S) MUST BE REPLACED.

NOTE REVIEW THE WARRANTY AND POLICY MANUAL FOR FORD MOTOR COMPANY TIRE REPLACEMENT WARRANTY BEFORE PERFORMING THE SERVICE PROCEDURE.

NOTE ONLY USE REPLACEMENT TIRE AND WHEEL THAT ARE THE SAME SIZE, LOAD INDEX, SPEED RATING AND TYPE (SUCH AS P-METRIC VERSUS LT-METRIC OR ALL-SEASON VERSUS ALL-TERRAIN) AS THOSE ORIGINALLY PROVIDED BY FORD. THE RECOMMENDED TIRE AND WHEEL SIZE MAY BE FOUND ON EITHER THE SAFETY COMPLIANCE CERTIFICATION LABEL OR THE TIRE LABEL WHICH IS LOCATED ON THE B-PILLAR OR EDGE OF THE DRIVER'S DOOR.

NOTE ON SOME 4WD MODELS, THE INITIAL SHIFT FROM 2WD TO 4WD WHILE THE VEHICLE IS MOVING CAN CAUSE A MOMENTARY CLUNK AND/OR BRIEF RATCHETING SOUND. THESE SOUNDS ARE NORMAL AS THE FRONT DRIVETRAIN COMES UP TO SPEED AND IS NOT CAUSE FOR CONCERN.

1. Review the tire label for correct tire size and tire inflation pressures located at the B-Pillar of the driver's door.

2. If the tire size does not match the label, this procedure does not apply, follow normal Workshop Manual (WSM) diagnostics.

3. If the tire size is correct, ensure tire pressures are within specifications.

4. Raise the vehicle on the hoist, refer to Workshop Manual, Section 100-02.

5. Disconnect all wiring going to the transfer case and road test.

6. Is the shudder/binding present?

a. If the shudder/binding is still present, do not continue with this procedure, continue with WSM normal diagnostic for 4X4.

b. If the shudder/binding is gone, proceed to Step 7.

7. Raise the vehicle on the hoist and reconnect all the wiring previously disconnected.

8. Using a tailor's tape or flexible measuring tape and measure the circumference of all four (4) tires and record the measurements. (Figure 1)

9. Calculate the average of the circumference of the two (2) front tires and calculate the average of the circumference of the two (2) rear tires. (Figure 2)

10. If the difference between these two averages is greater than 1/2" (12.7 mm), front to back or side to side, replace the smallest circumference tire(s) and remeasure the tire averages. Refer to WSM, Section 204-04 for tire replacement.

NOTE WARRANTY COVERAGE ELIGIBILITY STARTS WITH 2007 NEW VEHICLE LIMITED WARRANTY COVERAGE.

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

082111A 2003-2008 Expedition, 1.1 Hrs.
Navigator, 2003-2005
Aviator, Explorer,
Mountaineer 4X4: Perform
Diagnosis Outlined In
Service Procedure And
Replace One (1) Tire (Do
Not Use With 1007A)

082111A 1997-2002 Expedition, 1.0 Hr.
1998-2002 Navigator,
2006-2008 F-150 Harley
Davidson, Mountaineer,
1997-2008 Explorer,
2007-2008 Explorer Sport
Trac, And 2008 F-150
Limited 4X4: Perform
Diagnosis Outlined In
Service Procedure And
Replace One (1) Tire (Do
Not Use With 1007A)

082111B 2003-2008 Expedition, 1.4 Hrs.
Navigator, 2003-2005
Aviator, Explorer,
Mountaineer 4X4: Perform
Diagnosis Outlined In
Service Procedure And
Replace TWO Tires. (Do
Not Use With 1007A)

082111B 1997-2002 Expedition, 1.2 Hrs.
1998-2002 Navigator,
2006-2008 F-150 Harley
Davidson, Mountaineer,
1997-2008 Explorer,
2007-2008 Explorer Sport
Trac, And 2008 F-150
Limited 4X4: Perform
Diagnosis Outlined In
Service Procedure And
Replace Two (2) Tires (Do
Not Use With 1007A)

082111C 2003-2008 Expedition, 1.7 Hrs.
Navigator, 2003-2005
Aviator, Explorer,
Mountaineer 4X4: Perform
Diagnosis Outlined In
Service Procedure And
Replace Three (3) Tires
(Do Not Use With 1007A)

082111C 1997-2002 Expedition, 1.4 Hrs.
1998-2002 Navigator,
2006-2008 F-150 Harley
Davidson, Mountaineer,
1997-2008 Explorer,
2007-2008 Explorer Sport
Trac, And 2008 F-150
Limited 4X4: Perform
Diagnosis Outlined In
Service Procedure And
Replace Three (3) Tires
(Do Not Use With 1007A)

DEALER CODING
CONDITION
BASIC PART NO. CODE
7A195 42

it basicly sounds to be the

it basicly sounds to be the tires. my front ones are significantly lower then the rear i guess i should try changing all 4

we just bought the truck as

we just bought the truck as is for 4 grand i love the truck and would hate to give it back

ty so much for this you seem

ty so much for this you seem to be the only one who could help

if you need tires any way,

if you need tires any way, you might get 2 brids with one stone.
let us know if they were it.

jack up the front end of the

jack up the front end of the truck and shake the tire side to side ans up and down toe see if the noise is present.
Use the steering wheel to turn the wheels left and right a few times to check for the noise (engine running and again with engine not running).

check for loose shock absorbers, upper and lower control arm bolts, ball joints etc.

you can also call arouund to your local alignment shops to see if they give FREE suspension and steeriing system inspections.

i was gonna ask them to check

i was gonna ask them to check the alignment when they do the tires now i just got to find what tires to get lol

What size and type are you

What size and type are you running now?

Have you tried www.tirerack.com? They have pretty good prices and will ship them to you.

it's always best to have the

it's always best to have the alignment checked with new tires, and a rotation every other oil change will dubble the life of tires.

Have them to check the

Have them to check the suspension ans steering before installing the new tires. You want to have everything right before driving with the new tires (other you could start to wear them--maybe severly--before getting the front end fixed)

i'd say just do tires for

i'd say just do tires for now, you'll know right away if problem is still there, no sence in wasting money.
and befor any alignmemt is preformed the frontend is insp, it's part of alignment.

I had a similar problem with

I had a similar problem with my 99 expedition and it was a loose brake caliper.

Bighud, (You said) I had a

Bighud,

(You said) I had a similar problem with my 99 expedition and it was a loose brake caliper.

HOLLY SHIT MAN!!!

Not Only Is Your Answer WRONG!!!

But CHECK the DATE of the THREAD you are RESPONDING "TO" (below)!!!

Submitted by moji171 on Fri, 11/19/2010 - 17:21. :-( :-( :-(

WTF
WTF
WTF
WTF??????

To funny to not reply!!! How

To funny to not reply!!!

How did that get dug up?


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