Question about 2000 Chevrolet Astro

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My astro van awd is stuck in 4 wheel drive and make noise when i turn.

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6ya6ya
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Posted on Jan 02, 2017

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Pattods
  • 116 Answers

SOURCE: 1993 jeep grand cherokee laredo 4 wheel drive

I'm not absolutely sure on the tire size for the jeep itself, but I think they are 225/65/R15's. Not absolutely sure.

As for the noise, from your explanation, it sounds like the transfer case is under a heavy bind. Take it off of the road in some grass or dirt and then move it forward a few feet then simply hit reverse. Don't move much maybe an inch and it may release the bind. Once you get the bind off the transfer case, it should slip out of 4wd, unless there is damage in the case/shifter itself.

When operating four wheel drives, with tires of different sizes it causes extreme stress on the gearing in the transfer case. Larger tires don't turn the axles as much as smaller tires. So, this causes stress in the driveline as the front is actually turning slower then the rear. In turn, this will put so much pressure on the gears that it could cause damage and the shifting mechanism will not work correctly to pull it out of 4wd engagement.

Try those ideas, and see if you can get it out of 4WD. Definitely put four tires on the jeep that are all the same size. This will keep you from having excessive stress on the transfer case and gearing therein.

I hope this helps out buddy.

Posted on Sep 21, 2008

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  • 341 Answers

SOURCE: 1994 chevy astro van awd

the problem is common for the 93-94-95 4.3 vortex its the spider injection located inside the plenum the part costs between $250 to 400 i had to replace on girlfreinds 94 blazer. ifound one o ebay for $100

Posted on Oct 22, 2008

  • 5 Answers

SOURCE: 1999 Jeep G C Quadra Trac keeps getting stuck in 4 wheel drive.

universal joint on the driveshaft may do this !
check transmission fluide as well.
good luck

Posted on Mar 31, 2009

  • 4 Answers

SOURCE: 2000 astro van running bad

gm has a tecnical service bulleten out it affects all astro s and blazer s remove distrbuter cap and rotor clean out breather holes in base of dist 2 total replace with new cap and rotor 70dollars for both moisture builds up in dist cap causing the problem.

Posted on Dec 22, 2009

joshnaz
  • 186 Answers

SOURCE: How do you change sparkplugs on a 2000 Chevy Astro

I always take the tire off and go through the wheel well. The middle one is the toughest because the steering column is in the way..

Posted on Mar 02, 2010

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2003 chevy astro van w/AWD. AWD is not working at all.


what was your test to determine the failure ?
if you jacked up one end and the car didn't drive off the jacks , that is how an all wheel drive works
It has a differential in the transmission that allows the front axle to drive at different speeds to the rear ( same as one wheel on the axle will go faster than the other when going around corners)
it is used to prevent torque wind up in the drive train and destroying transmissions , diffs and drive lines
it has to have all 4 wheels on the ground so that the 3rd diff is not operational unless going over a speed bump or dips in the road
however if you have a 4 wheel lock for the transmission, that is different as it locks up the 3rd diff in the transmission making the car a 4 x 4

Dec 03, 2016 | Cars & Trucks

2 Answers

I have a 2001 chevy astro ls awd van. It has a constant whine, in park, driving, acceleration, and deceleration. Any suggestions?


failing alternators are famous for noise. Does it change pitch when you turn on a bunch of accessories, or turn the steering wheel? Could also be either water pump or power steering. The are the three most common culprits. Check your fluid level in the power steering. Usually if power steering the noise will change when you turn the wheel. Listening under the hood may help you to determine area noise is coming from more clearly.

Jan 22, 2016 | Cars & Trucks

1 Answer

I posted about my AWD quit working on my 1990 Astro AWD.


What makes a car AWD is the fact that there is a diff in the transfer case in the gear box . This allows the front diff and the back diff to operate at different speeds from the road surface just as one wheel can go faster in turns than the other side.. To say that the AWD is not working would mean that it is not going any where as the rear or the front will have no drive because the diff will not be operating as a diff.

Feb 22, 2014 | 1990 Chevrolet Astro Extended

1 Answer

1990 Astro AWD. The AWD quit working!


the drive belt may have broken inside the transfer case. ATF fuid is correct .

Feb 21, 2014 | 1990 Chevrolet Astro Extended

1 Answer

1990 Astro AWD. AWD quit working overnight while parked!


AWD vehicles have a centre diff in the transfer case and if there is no traction on the rear wheels then the front wheels will not turn. All wheel drive is not equal to 4 wd which you assume apparently. Check that there is not a diff lock button in the car to lock the centre diff turning it into 4wd vehicle in which case the front wheels would have moved the vehicle

Feb 18, 2014 | Cars & Trucks

1 Answer

Rear on a2004 astro van awd v-6 locks up when making turn's left or right.but does'nt do it when gowing forward or reverse.


Rear end is a lockup dif. This couples both wheels.It has clutches that allow inner and outer weels to turn at different speeds when going around corner, thus eliminating most tire scrub. If noise is coming from dif. change dif oil and redress clutches.Driving in a straight line with a lockup dif. would not normally be noticed,because both rear wheels are travelling at the same speed.

Sep 09, 2010 | 2004 Chevrolet Astro

2 Answers

I just bought a 1999 chevy astro van AWD


i am not mechanic but realise logic control senses excessive rear wheel spin and transfers some torque to front wheels. try quick take off on gravel road to see which wheels dig in or have friend spot if front wheels are driving when they should be. could be simple corrosian at wiring harness. unplug and spray with contact cleaner and re connect and re try. this wont cost you anything.

Mar 02, 2010 | 2000 Chevrolet Astro

1 Answer

Rhythmic grinding noise front end - 98 chevy astro AWD


Could be low on oil, trans doesnt have fluid, wheel bearings are gone, or could be something stuck under the vehicle and either the tires or the drive axle is rubbing against it.

Feb 09, 2010 | 1998 Chevrolet Astro

1 Answer

97 astro van awd there is a clicking in the front end only when driving straight, have replaced half shaft, wheel bearings, brakes, rotors, and calipers, and the noise is still there any ideas


Have it put on a rack, and spin the wheels, but don't spin them over 30mph, and go under vehicle and see if the noise will direct you to the problem.

Oct 21, 2009 | 1999 Chevrolet Cavalier

1 Answer

My 1998 awd astro van developed a grinding noise


Assuming...you get the noise with the vehicle moving; try loading up one side at a time by doing lane changes when you hear the grind. If the noise increases & then decreases as you go from side to side then you probably have a bad wheel bearing. Also, You could just have a pebble caught between the backing plate & rotor! (they have a tendency to fall out quickly)

Oct 05, 2009 | 1998 Chevrolet Astro

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