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My 2014 kodiac450 starts missing on acceleration when in differential lock?

Only happens when in 4wheel differential lock,tried the override but still misses.when back to just 4 wheel it,s ok.

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Check the power draw for the diff lock system as it appears that the current draw is robbing the ECM of enough power to work and run the engine. You may have to have the alternator bench tested for current output. Check condition and tension of drive belt.

Posted on Dec 10, 2014

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Posted on Jan 02, 2017

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Heard loud bang and now no power


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Jan 29, 2016 | Cars & Trucks

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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


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.

Mar 19, 2014 | Chevrolet Cars & Trucks

2 Answers

Heater only will work on low also put shifter in 4 wheel light on but no 4 wheel


The 4wd problem sounds like the actuator on the front differential isn't operating properly by not locking the front hubs. I would start there.

The Heater problem sounds like just a bad ac switch which is common on this pickup.

Jan 10, 2011 | 1995 Chevrolet K1500

3 Answers

Four wheel drive locked in but front tires wont spin in 96 chevorlet sliverado


If the Tires wont spin then it isnt locked in.
If it really is engaged like you think it is and they dont turn then something is broken in the differential. If that was the case then it should be makeing lots of noise.
Now it is very very common for the electro-mechanical device that engages the the 4wheel drive at the differential to go bad. If you look at the front differential you cant miss the 4 wheel drive actuator. It has a couple wires that come out and plug into the wiring harness.
Usually if this part fails I understand the 4wheel drive indicator lights wont come on? I could be wrong on that. My sub is 3 years older and that was the case with it.

Mar 12, 2010 | 1995 Chevrolet K1500

1 Answer

How does the diff lock button work on my corolla


a diff lock is a 4wheeldrive option, usually for SLOW 4wheel driving, when in off road conditions or muddy etc, this locks up your differential driveshaft enabling your vehicle to gain more traction in grimy conditions.
limited slipdiff enables each wheel to move independently of the other wheel on the axle, and will move the stuck wheel at a half rotation if the other wheel is spinning

Mar 09, 2010 | 1998 Toyota Corolla

1 Answer

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.

Nov 09, 2009 | Ford F-150 Cars & Trucks

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My truck stalled out while backing up an inclined driveway. I tried to keep accelerating and nothing happened. I put it in park and the gears grinded badly. I shut the car off, restarted and tried to put...


I've never seen a differential fail in that situation but having been in the business a long time I've learned that all things are possible...Exactly where is the oil leaking on the diff? I'd suggest you get back onto level ground and remove the rear cover on the diff and take a look at the gears. Possible that the spider gears in the center section have broken.

Jul 21, 2009 | 1995 Dodge Dakota

1 Answer

97 blazer 4x4


Had an issue similar to this with a customer astro van. It was the front differential that destroyed itself. We took the front driveshaft off and he drove it like that for a while. Then sold it. So, I am not sure what happened inside that front axle, but is was locked up. As long as we took off the driveshaft, the spider gears were the only thing spinning internally. So it could be driven again.

Dec 26, 2017 | 1997 Chevrolet Blazer

1 Answer

1996 toyota t-100


The floor shifter engages the transfer case, the front differential the has to lock, if the 4wheel light does not turn on then the problem is at the front differential possibly the vacuum operated front wheel lock diaphragm. Check to make sure the vacuum hoses are attached to the vacuum housing, check the metal pipes on the diaphragm they can clog up with rust, you may have to remove it and apply vacuum to it to see if it works. If the hoses are on at both ends, they connect to a vacuum solenoid at the top, check the solenoid.

Feb 16, 2018 | Toyota 4Runner Cars & Trucks

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