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Anonymous Posted on Feb 22, 2015

Why don't my reverse work?

The vehicle will go into drive but not reverse and it is making a whining sound.

1 Related Answer

Anonymous

  • 829 Answers
  • Posted on Apr 05, 2011

SOURCE: 2002 Chevy SC1 1500.

Are you sure you have all the forward gears?(4speeds ,three shifts)This is a common problem with this transmission and it is almost always a broken reaction shell.The shell brakes due to a diagnostic code setting and putting the trans into a high pressure setting and braking the shell.It is possible that you have a problem n the reverse input clutches but this is rare.Eithe rway the transmission will need to be removed and diasssembled.Good luck and let me know if I can help.

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Kindly state your MAKE and MODEL when asking for help with regards to your product or item.
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the power steering pump will also make a whining noise too.

turn the wheel all the way to the right and hold steady pressure against the stop. this puts maximum force on the power steering pump and, if the power steering pump is the one making the whine, it will change the sound of it. (usually louder).

if the trans pump is making the whine noise, it should sound different in neutral compared to drive. this test will really only work if it make the noise without the vehicle moving. if it wont do it at idle hold the rpms at 2000 or so.

if you decide the noise is coming from the transmission, and the transmission filter has not been replaced (assuming you installed a used transmission), replace the filter by removing the oil pan.



oh and also, if it is the power steering pump you should be able to make it make the whining noise while the vehicle is stationary. if it wont make noise unless its moving its not the power steering pump.
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