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My 2003 chevy suburban has a loud popping in 4wheel drive in 2wheel it is agrinding noise it is how locking up

What is it

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It sounds like the front differential bearings are gone. Remove the front driveshaft and see if the noise dissapates. Also, grab the driver side halfshaft by hand and see if it is sloppy where it enters the differential.

Posted on Mar 24, 2014

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SOURCE: 2003 Lincoln Navigator will not shift from all 4wheel drive into 2wheel drive

this is common on these trucks just put your witch in 2 wheel and go ahead and drive it will let loos when it sees the correct secquence and drive a little and shift to netural.
just neve do it from high to low range

Posted on Jan 02, 2009

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I have a 1990 Chevy Suburban 1500 4X4 with a 700r4 and it just will not go in to drive or reverse in 2wheel drive but when in 4wheel drive it moves in drive but it does move at all in reverse. What is...


Transfer case is bad. My first guess. If the transmission were bad it wouldn't move at any position. Is there any noise? You have 4 possibilities, Front and rear differentials, transfer case, and the transmission.

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96 explorer disengages 4wh low but does not engage 2wheel


Does it shift to 4wd high range ? If so then shift to 2wd . What is going on here is the transfer case motor is stopping due to the motor position sensor has gone bad which means that you replace the transfer case motor assembly. But if you wish to make it a 2wd for awhile then remove motor and manually turn shaft . This can be done by raising and supporting rear axle truck in park remove motor turn shaft slowly with pliers and rotating the play in drive shaft. There are stamped markings on back of case showing gear positions..

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1998 chevy blazer. Do I drive it in 2wd, 4wd hi or low what is the difference and can it do damage?


always drive in 2wd only use 4wd when traction could be a problem and 4wheel low when stuck or off road use

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2006 chevy trailblazer replace 4wheel drive selector


i've got a 2003, and i believe the parts and procedures are the same for the years. there are screws in the dash trim by the ciggarette lighter, and more on the underneath of the dash pad where the gauge cluster is. then carefully pop the dash trim out. there are retaining clips that hold it in besides the screws. they should pop out without too much effort. i'd start near the radio and be careful. there also may be two more screws near the bottom of the steering wheel that you'll have to remove the trim below it to get at.

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I was using 4wheel drive and heard a loud bang and then lost all power. 2wheel drive is ok. what could be the cause?


I dont understand "LOST POWER". Did the engine die? Sounds like you lost 4wd, but still have 2wd. If so then the problem is some where between the transfer case to the front wheels, inspect it and let me know what you found or what is fine and maybe have another question. Good luck.

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Auto locks for front 4x4 2007 f150 cant stop grinding noise


Are you under warranty? Make it the dealers problem if its eligible.

If the front hubs are grinding regardless of being in 2wheel or 4wheel drive it can be the hub bearings which turn regardless. If it grinds only when in 4x4 then the wheel shafts or differential or front driveshaft or transfer case is making the noise because all of these parts move when in 4wheel drive.

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When i put my 03 chevy 4x4 in 4 wheel drive there is a loud popping sound and 4wheel low truck wont move it a push button 4 wheel


you may have a broken transfer box or a damaged locking hub on the wheels that arent used in 4x4 mode, i.e. if your car is FWD unless its in 4-low, check the rear locking hubs for failure. Other wise it sounds like a transmission fault in the aforementioned transfer box or differential.


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1 Answer

2003 Lincoln Navigator will not shift from all 4wheel drive into 2wheel drive


this is common on these trucks just put your witch in 2 wheel and go ahead and drive it will let loos when it sees the correct secquence and drive a little and shift to netural.
just neve do it from high to low range

Sep 18, 2008 | 2003 Lincoln Navigator

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