Question about 2000 Chevrolet Blazer

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4x4 problems my 4x4 kicks in when rear wheels slip then automaticly kicks back back into 2 wheel drivie,what is the problem?

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  • Anonymous Mar 01, 2009

    4x Lo Hi Auto push button. It like the 4x just kicks in and out (Grabs & unlocks) Would say it feels like clutch slips and then catches and not smooth it jerks in and out.

    Tks jon

  • eastjon9 Mar 01, 2009

    Sorry, 02 Blazer

  • shelbyralph Mar 03, 2009

    I have the same problem, as I reply to you, my 2000 Chevy Blazer is in a Transmission shop, having the Transmission rebuilt, as I was just informed this morning, the 3rd & 4th Planetary Gears have failed, as well as the Torque Converter, this is ONLY setting me back $900.00 plus tax, and my heater Core is being flushed out for the 3rd time (very little heat). I am so disgusted with the $$$$, I have dumped into this Truck , even though I use to LOVE it, I will never buy GM again, am planning to get rid of her asap, only has 62,000 miles, I could have already had a significant down payment on a much nicer vehicle over the last 5 yrs, and just my LUCK, I recently paid it off. Hope you do not experience the above. Good Luck!!!!



    Donna

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What make, model, and year is your truck? Does it have AWD or just 4-wheel drive? What selector knob to you have for 4x4 (gear shifter or electrical switch?) Does your vehicle have limited slip or locking differentials? If you have an electrical selector with locking (limited slip) diffs and AWD, that is normal for it to automatically switch into 4x4 when you loose traction.

Posted on Mar 01, 2009

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1 Answer

When in 2 wheel drive, if the rear tires spin, it automatically puts the vehicle into 4x4 mode. Is this normal


if it is an all wheel drive then it may have a limited slip action in the transfer case differential ( most have a lock up switch for that action)
refer to your workshop manual or consult your service dealer center

Jan 09, 2016 | 2004 Chevrolet Tahoe

1 Answer

Why 4x4 doesn't turn all 4 wheels at same time? 4hi-4lo


4X4 actually provides power to the front 2, and the back 2.
Unless the back has limited slip or posi-track, if 1 wheel spins, the other will not turn.
Since the front wheels have to turn at different rates to accomodate turning radius differences, there is (usually) to limited slip on the front differential, so if one wheel spins, the other will not turn.
So, if you have one front wheel spinning at the same time as one back wheel is spinning, and you don't have posi-trac, you're stuck.
Cheerfuls.

Nov 11, 2015 | 1998 GMC Sierra

1 Answer

Why do Both my back wheels turn in opposite directions


Hi Anthony. This is a reaction called "Torque" Commonly, most rear wheeled vehicles have what is called "Limited-Slip Differential" What happens is, as the vehicle makes a turn, the inside rear wheel rotates slightly slower than the rear wheel on the outside of the turn. This ensures even power distribution to the rear wheels from the transmission. If you have a "Positive Traction" (Posi) rear wheel drive, then when you accelerate, both wheels turn at the exact same rotational time. The consequence of this is, when you turn, you will hear a rear tire squeal on the pavement. There is also the "Semi-Posi" that acts like an Limited-Slip, until you apply power. Then the rear wheels turn at the same rotation, but only under power. To experience what it would be like if all wheels turned the same direction at the same time, find someone with a 4 wheel drive (4x4) with manual hubs, and on pavement put it in 4 low and try to turn. 2 of the tires will squeal on the pavement, and you will notice it will slow you down very quickly during a turn. I hope this gives you the info you wanted. ^^

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Aug 17, 2015 | Cars & Trucks

1 Answer

What causes rear wheels not to engage whether in 2 or 4 whhel drive? Front ones only turn when in 4x4.


If the shaft is powering out to rear end then internal on rear possibly broken differential. If no power from case to rear then broken in case.

May 31, 2015 | Cars & Trucks

1 Answer

My 1987 GMC s15 automatic 4x4 pickup keeps popping out of normal gear. The only gear it stays in is 4 low. Where do I start?


I'm assuming you're talking about the transfer case popping out of 2 high or even 4 high. It could be that the transfer case needs a chain or gears replaced and is slipping on the cogs/gears. In 4 low it takes less pressure/strain to move the vehicle so it doesn't slip. I would put the trans. AND transfer case in neutral, with the FRONT wheels blocked, and NOT running, jack at least one rear wheel off of the ground, and try turning the rear drive shaft back and forth to feel the free play (free play in the transfer case, not the rear end). Excessive free play should tell you that the drive chain/gears are very warn and could be slipping. That would be a start.

Jun 08, 2014 | Cars & Trucks

1 Answer

Wheel get locked up in 4x4


I know what they did!, and the only thing you can do is take it back to the dealer. They have put in a different diff ratio. jack up one side of your car with 4X4 rotate your wheels your front diff goes 5 revolutions and your rear may turn 4 or 6 turns, when your wheels turn at different rates it increases the load on your drive line, if your wheels don't slip you must break something

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3 Answers

2001 gmc sonoma 4 wheel drive slipping the lights on switch work goes into 4x4 but when you accelerate it slips out when you let off it goes back in any ideas?


Hello RD.
Yes, Inside your transfer case there is a clutch that is made up of several plates that are designed to slip when there is a difference in torque between the front and rear.
If improper type of fluid was put in or if the fluid levels were allowed to get low it may have caused damage.
If indeed that improper fluid was put in, drain and refill with the proper fluid.

NVG 136-NP4 (1-Speed Automatic) Auto-Trac II Fluid GM P/N 12378508
NVG 233-NP1 (2-Speed Selectable) Dexron III GM P/N 12346143
NVG 236/246-NP8 (2-Speed Automatic) Auto-Trac II Fluid GM P/N 12378508

Thank you for using FixYa.

KL

Dec 18, 2010 | GMC Sonoma Cars & Trucks

1 Answer

When i have my truck in 4 wheel drive and turn sharp it kinda bounces but when i have it in 2 it doesn't do that and i just want to know why....


The front differential/drive train have no way to slip in four wheel drive. When you make a tight turn the the front wheels travel a different distance than the rear wheels. on snow, ice, mud, or other off road conditions this isn't a problem because there is less friction for the tires and they just slip a little without much indication they are doing so. On dry pavement they cannot slip and cause the front drive train to bind up and eventually hop.

By the way that is not very good for the 4X4 drive train in general so unless you driving a straight line on dry pavement I wouldn't recommend using the 4x4.

In two wheel drive the front drive drain can move independent of the rear drive train so tight turns are not a problem.

Oct 13, 2010 | 1991 Ford F150

3 Answers

Rear cluch not working


Depends on what model and components you have:

{ ...
ENGINE TORQUE DISTRIBUTION – DIRECTING THE FLOW OF POWER
In an all-wheel-drive vehicle, engine power can be directed to all four wheels. Subaru Symmetrical AWD differs slightly from model to model in how it directs power to the wheels, depending on its transmission.

MODELS WITH FIVE-SPEED MANUAL TRANSMISSION – CONTINUOUS ALL-WHEEL DRIVE: A viscous-type locking center differential and limited-slip rear differential help distribute torque – normally configured at a 50/50 split front to rear. If wheel speed differs between front and rear axles, the center and/or rear differentials lock up to help distribute power to the wheels with the most traction.

MODELS WITH FOUR-SPEED AUTOMATIC TRANSMISSIONS – ACTIVE ALL-WHEEL DRIVE: An electronically controlled variable transfer clutch and limited-slip rear differential distribute power to where traction is needed. Sensors monitor parameters such as wheel slippage, throttle position, and braking to help determine torque distribution and direct it to the wheels with optimum traction.

MODELS WITH FIVE-SPEED AUTOMATIC TRANSMISSION – VARIABLE TORQUE DISTRIBUTION ALL-WHEEL DRIVE: As with Active All-Wheel Drive, an electronically controlled variable transfer clutch distributes power, but through a planetary-type center differential and a viscous-type limited-slip rear differential. Torque distribution is normally configured at a performance-oriented rear-wheel-biased 45/55 split front to rear. Sensors monitor the same parameters as for Active All-Wheel Drive.

WRX STI, WITH SIX-SPEED MANUAL TRANSMISSION – DRIVER CONTROLLED CENTER DIFFERENTIAL (DCCD) ALL-WHEEL DRIVE: The STI uses an electronically managed multi-plate transfer clutch and a mechanical limited-slip differential in conjunction with a planetary-gear-type center differential to control power distribution between the front and rear wheels. Featuring manual and three automatic modes, DCCD is normally configured at a 41/59 split front to rear. Sensors monitor parameters such as wheel slippage, steering angle, throttle position, and braking to help determine torque distribution and direct it to the wheels with optimum traction. DCCD also features a limited-slip helical front and Torsen® rear differential. ... }

And what are the symptoms? How do you know the coupling to the rear is not working?

Jun 05, 2010 | 1995 Subaru Legacy

1 Answer

How do I activate the 4 wheel drive for snow highway driving?


They didn't make Grand Cherokees in '86, so I assume you mean '96?

I'm also assuming it is indeed a 4x4 and not a two wheel drive...sorry, I have to ask!

All the V8's GC's were Quadra-Trac. Please confirm this with what is label on your shifter. If so, it should say "4Hi, N, and 4Lo".

The Quadra Trac system has a viscous coupling. Meaning, that when the rear wheels start to slip, it heats the coupling up, and engages the front wheels.

This system typically put about 95% of the power to the rear wheels, and only about 5% goes to the front during normal driving, so it's essentially in 2wd mode.

When you put the transmission shifter into neutral, and pull your transfer case down to 4lo, then you have all four wheels locked. Do not drive like this on dry pavement.

To answer your questions, the 4x4 should automatically engage when the rear wheels start to slip. It is a seamless transition and you really won't be able to tell.

If you're in real bad snow, then pull it down to 4lo. That'll lock all four wheels in and give you greatest traction.

Drive safe.

Jan 21, 2009 | 1991 Jeep Wrangler

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