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Banging noise from rear drive train when accelerating from a dead stop or coming to a dead stop on my 2004 Chevrolet Astro AWD Vanan

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  • Cars & Trucks Expert
  • 304 Answers

Need to check it out underneath. Loose or missing exhaust hangers can let exhaust system rattle. Grab and shake looking for loose components including driveshaft and shocks.

Posted on Nov 17, 2013

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6ya6ya
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Posted on Jan 02, 2017

  • 187 Answers

SOURCE: Rear differential / axle noise and vibration.

A drive shaft that has lost a balancing weight will vibrate between 40 and 50 mph. If not corrected this could damage the input shaft bearing and seal on the differential causing oil leakage. Differentials are fairly indestructible but if run without oil will fail.
As for the front end you should never run the 4wd on dry pavement. The front differential is a posi traction unit that will turn both wheels at the same rate unlike the rear diff that will allow the inner wheel to turn slower than the outer on turns.

Posted on May 08, 2009

  • 1348 Answers

SOURCE: 2004 jeep liberty drive train slips when accelorating from a stop

check the drive line play at the output of the transfer case to the rear universal joint.the gears are known for that.

Posted on May 26, 2009

mythman
  • 84 Answers

SOURCE: 1998 honda crv vibrates when starting out

Increased vibration from a vehicle indicates worn out engine supports. This vibration often disappears when revving the engine high, but is very noticeable at low revs.

You can have these inspected and possibly replaced to reduce the vibration cominf from your engine.

Hope this helps.

Posted on Jul 02, 2009

  • 10 Answers

SOURCE: 2004 saturn vue awd HELP!!

The RDM or Rear Differential Module on these GM vehicles (Vue, Torrent, Equinox) is a known weak point. It is most likely shot as the trans outputs power to the front and rear equally; gearotor pump(s) in the RDM then assign traction to each rear wheel if the wheel is turning slower than the input. So if it is still turning it must not be transmitting that torque to either "braked" rear wheel... There was a recall for the RDM in which GM quietly increased the slippage at which it engauged the rear wheels due to high failure rates...

Posted on Nov 27, 2009

  • 3 Answers

SOURCE: Buick 2004 Rendezvous AWD problems

The fluid in the versa trak AWD in the rear is old and needs to be drained and refilled. After you drain and refill it, make a bunch of sharp left and right hand turns, then drive it for 10 minutes. Drain and refill it for the second time and problem solved. Use only versa trak fluid available at any GM dealership.

Posted on Oct 01, 2010

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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.


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check the fluid in the rear diff for metal particles and make sure there's no slop in the diff. the propshaft going into the rear diff on the awd should have a small amount of play no more than 5mm.

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Mar 01, 2009 | 2004 Buick Rendezvous

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