Question about 2006 Ford Expedition
C Noise when brakes engaged
Sounds like a heat shield on the exhaust has happened to me before they get loose and make racket when the vehicle is in gear with the brakes on
Posted on Mar 24, 2014
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Posted on Jan 02, 2017
You might have to try to adjust the freedom of clutch pedal,
The noise during shifting can be adressed to exessive wear clutch parts or again it might be a sign that indicates the not complete enabling the calutch
To find out what is causing the noise, set the parking brake, place the vehicle in neutral and start the engine.
If you hear growling or grinding noises when the clutch is engaged, the cause is the transmission input shaft bearing.
A squealing sound that occurs when the clutch pedal is depressed and held is usually caused by a bad pilot bearing or bushing.
A chirping noise that intensifies when the pedal is slowly depressed would indicate a bad release bearing.
If you hear chirping while idling in neutral and the noise goes away when the pedal is slowly depressed, the fork/pivot ball contact point is making the noise
Hope that helps.
The clutch adjustment procedure you can find at
More about clutches
Posted on Feb 27, 2009
I have that exact same truck and transmission and My Transmission did the exact same thing about a year ago and there was some kind of snap ring inside the transmission that broke. I originally thought it had to be an electirical problem because the truck shifted fine until OD or if i turned OD off. The 4r70w is a light transmission and i would suggest you have a shift kit put in and they make a heavier kit to beef it up.. Sorry its probably not the new you were looking for.
Posted on Apr 15, 2009
Sounds like a bad torque converter. When the torque converter is engaged, it's not "whirring" it's on decel or freewheel that it "whirs".Did you check fluid level and color?
Posted on Nov 26, 2009
This is a somewhat common problem with the 04-06 MY 4x4 trucks.
The IWE vac solenoid can ingest water, and introduce it to the IWE, or can develop a problem where it does not keep constant vac on the IWE ends, and the gears hang part in ( grinding ).
You can check the IWE solenoid to make sure it will supply VAC to the IWE ( vac keeps the IWE out, remove vac, and the spring will engage it into the gears ).
You can check the vac lines to the IWE, and the solenoid, but I hate to say the IWE solenoid needs to be replaced.
Here is a link to a PDF version of the TSB with the part number for the updated IWE solenoid that the 07& 08 MY trucks have.
Here is a block diagram of the IWE layout, so you can check the vac lines. Hope it is as easy as a cracked vac line. Also check that the vent tubes are clear, and still up into the engine compartment.
Posted on Dec 06, 2009
SOURCE: GRINDING NOISE IN TRANSFER CASE
check out all of the bearing and bushing give these websites a try www.alldatadiy.com and www.autozone.com if it is the transfercase checkout a good salvage yard for one give this website a try to find one close to you www.junkyarddog.com wish you the best of luck Michigan Man.
Posted on Mar 08, 2010
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