Question about 1985 Ford F150
When driving, van makes grinding noises, then when you go faster than 50 klm it disappears.
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Posted on Jan 02, 2017
SOURCE: transfer case noise
is your universal joints out and that is where its rubbing?
running different size tires on a all wheel drive is a big mistake it can burn out the transfercase
Posted on Oct 23, 2008
did you change any tires? if the circumference of the tires are more than 1 inch difference from each this will cause the 4wd to try to engage because it sees a difference in wheel speed
Posted on Mar 01, 2009
Depending on how long the grinding has been going on, the IWE ( integrated wheel ends ) might need to be replaced.
The problem that causes the symptoms is either cracked vac lines from the IWE solenoid, or a faulty IWE solenoid.
Check the vac lines to the IWE, this is the block diagram of the setup
Use a visual inspection and vac tester ( might vac with a gauge on it ) to test the lines.
Posted on Nov 29, 2009
Testimonial: "great! It was cracked vacuum lines. Thanks for the feedback!"
I have the same problem with my 94 explorer with a manual transmission, Just replaced the trans a month ago because of gear failure and now It's slipping out of gear when the engine isn't under load aka Coasting, was Told By a Really good Trans Guy that this is a failure in the Linkage in the transfer case am about to tear into mine tho It's way over my technical ability but will repost here after I get it torn apart with potential prices for worn parts for the do it yourselfer, And Has to be the issue I hope because the gears in the transmission are in pristine condition the other reason for suspecting the transfer case is that when my trans is slipping and making that weird Rattle Clatter sound coming from the trans if I put it in 4x4 low it drives great even tho the front wheels aren't pulling since I have the front drive shaft off at the moment,, Well Here goes Nothing Wish me luck on this teardown gonna need it..
Posted on Feb 22, 2011
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