On
these issue,there are few solved help links for troubleshooting the
issue easily.------- Click
the link below:--- http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html ----------- http://schematicsdiagram.blogspot.com/2012/01/4x4-truck-makes-roaring-noise-in-front.html ------------- http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html -------------- http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html ------------ http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html ---------- http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html ---------- http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html ---------- Traction
control switch will not engage on 4WD High or Low http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html ----------- 4WD light
flashing and 4WD will engage after few minutes http://repairhelpcenter.blogspot.com/2012/10/4wd-light-flashing-and-4wd-will-engage.html ------------ http://technoanswers.blogspot.in/2012/05/2008-toyota-tundra-4x4-wheel-drive.html ---------- http://technoanswers.blogspot.in/2012/02/4x4-front-differential-will-not-engage.html ------- ------------- http://technoanswers.blogspot.in/2012/09/dodge-ram-4x4-light-keeps-flashing.html ---------- http://technoanswers.blogspot.in/2012/02/ford-4x4-front-wheels-will-not-engage.html ------------- These
details will help. Thanks.
No 4x4 light on dash?
4X4 Truck makes roaring
noise in the front end?
Car will not go into 4WD
high or 4WD low?
No 4x4 light on dash?
4 wheel drive system will not disengage?
4WD light is flashing and
beeping? NO 4WD high?
2002 Jeep Wrangler: 4WD Idiot Light is ON?
2008 Toyota Tundra: 4x4 Wheel Drive Light is Flashing?
4x4 front differential will not engage the
axle on ford?
4x4 will not engage on Ford F150?
http://technoanswers.blogspot.in/2012/02/4x4-will-not-engage-on-ford-f150.html
Dodge Ram 4x4
light keeps flashing
4X4 LOW LIGHT
IS FLASHING ON DASH
Ford 4x4 front wheels will not engage?
SOURCE: 2002 Ford Explorer 4WD. 4WD is inopertive.
put a ground strap from your transfer case to your transmission. also with someone listening under the car with the key on but not running put your foot on the brake, shift to neutral and turn the selecter to 4x4 low and see if you can hear the actuater respond
SOURCE: Left rear axle seal is leaking differental oil.
ok then here is the procedure
1 take off the axle nut
2 on the lower control arm you will find a large nut and bolt i belive the nut is a 21mm and the bolt side is an 18mm. this bolt is the one at the knuckle near the brakes. remove it
3 you will need to pull the knuckle out of the way or a helper to pull the knuckle out of the way so you can slip the axle out of the knuckle.( its a tight fit but there is room to slip it out.)
4 use a pry bar to pop the axle free of the diff. hosing its held in by a spring clip make sure the clip comes out with the axle if it gets stuck inside you will have to fish it out.
5 use a pry bar or screwdriver to pry seal out of housing then use a flat object that contacts the entire rim of the new seal so it can evenly be installed with out getting smashed and tap it in with a hammer. ( a good trick here is to use some grease and pack it into the new seal where the spring is this will prevent the spring from being shocked out of the seal during instalation . the spring keeps tension on the rubber in the seal so it stays tight to the shaft it is sealing.)
6 then revers the above steps. also make sure you are using the right gear lube it will most likely be 75w-140 but make sure you check your owners manual will tell you if it doesnt say on the diff cover. you can cause a lot of damage if you put in the wrong thing. and make sure you feel the axle spring clip snap into place.
as a note there are two types of axle seals that are used on these so if the new seal looks different than the old seal then the folliowing will be important to you.the seals on these have been redesigned so if you axle has what looks like a cup or dust cover pressed onto the shaft where it goes into the diff the new style does not use this and it will prevent the axle form going in all the way so the spring clip will not lock in and you will have a leak. so you will have to remove it and install the axle without it.
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if it helps anyone, this explorer has no lockouts, all the front end is tight (gears,axles ect) and there is no actuator in the front end either. i lock it in, you hear the transfercase shift and the rear end goes in low but theres no power even to the front driveshaft... i could see if it didnt do anything but thats not the case.. I have read that the worm gear in the actuator craps out but if that was the case it seems like it wouldnt shift the rear end into low. I wonderd if the chain in the transfer case was broke but it hasn't ever made any bad sounds to point in that direction..
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