Question about 1994 Ford Ranger Supercab
My ford ranger makes a grinding noise in front end after taking it out of 4 wheel drive. I think it has to do with vacuum actuated hubs not releasing.
I think yours has the automatic locking hubs that slide over the the rotor hub. If this is the case than what has probably happened is a u-joint has gone bad and wiped out that auto hub.
Be prepared for some sticker shock on those hubs. they are not cheap. The usual fix for this is to replace the front axle ujoints and what ever hub is making the noise, hopefully just one.
Posted on Feb 14, 2012
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Posted on Jan 02, 2017
SOURCE: 2005 ford f150 4x4
Is your tyre's all the same size. Incorrect tyre's will change the racio from back to front and both driveshaft's are'nt turning at the same speed then it will grind. When trying to take it out of 4WD their will be preasure on the driveshaft's and this will leave if hard to disengage. Put it in 4WD drive it forward try the gearshift if it's hard to move then reverce a bit and try again it should come out easily. For all 4WD systems it is recumended thet the vehicle is reversed a few mitre's tto fully disengage the 4WD
Posted on Oct 07, 2009
probably needs an "iwe" solenoid.
iths the vacuum solen oid that controls the 4x4 vacuum hubs,
they leak vacuum and cause partial engagement of the hubs.
thats probably the noise your hearing.
i think ford has a tsb 06-08-15
6L3Z-9E441-A IWE Solenoid
Posted on Jun 02, 2010
It could be the IWE ( Integrated Wheel Ends ) solenoid causing this. Here is the PDF version of the TSB from Ford
If you can check the vacuum lines from the IWE solenoid to the IWE, to see if they are cracked. Few others have had cracked vacuum lines from the vacuum reservoir to the check valve
Here is a block diagram of the vacuum lines.
Until you have time to check everything, pull the vacuum lines ( not the vent line ) on both IWEs, and cap them. This will leave the IWE engaged, so the gears do not get ground off ( if it is not too late ).
Posted on Feb 24, 2010
the 4x4 don't use vacuum. the front is auto lock when the transfer is engauged with the button. if the light don't which when pressed into 4hi or 4low. the motor on the transfer case maybe hung up. they have to be used at least 4 times a year not to go bad. the motor is on the back side of the transfer case. best of luck.
Posted on Aug 07, 2009
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