Two problems related to differential unit have been reported for the 1998 Chevrolet Astro. The most recently reported issues are listed below.
At 35,000 miles had idle arm replaced, bad wheel alignment caused lose of four tires, at 40,000 had two idle arms and differential replaced.
This rear differential unit has been replaced 3 time as a whole unit and three times it was tried to be repaired and the problem still persists. It has started when the vehicle was new(12000) miles,and it is still ongoing. The dealer and the factory has been contacted and are unwilling to help. Please let me know if im the only one with rear end problems on my Astro van,because thats what the dealer and factory tells me!! thank you in advance for your help!!.