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2002 chevy blazer driver window slow to go up/down. How do I troubleshoot/test to determine if its the motor vs. the regulator?

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  • Anonymous Mar 18, 2014

    I have a standard and it seams to slow down like I am shifting down without shifting down.

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You can put a meter in your battery and monitor the voltage as you use your power window. if the voltage drops by 2 volts, then there is problem with your regulator, or alternator.

but if it would just drop a little voltage, then the problem could be the window mechanism. it si the motor who is just having a hard time to raise the window. check the voltage going to the motor while using it. see if it is near 12 volts.
if it is, then the problem is the load. may just need a good lubrication.


tnx 4 using fixya,

drcool

Posted on Oct 14, 2008

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Removal Procedure
Be very careful
Hope this helps




Caution: Do not attempt to service the regulator motor withoutreleasing the counterbalance spring tension. The regulator lift arm isunder tension from the counterbalance spring and can cause personalinjury if the motor is removed from the regulator.

  1. Remove the window regulator.
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  1. Drill a hole through the window regulator and the sector gear.
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  1. Install a bolt and a nut through the hole in order to lock the sector gear in position.
  2. Drill out the rivets that secure the power window motor to the window regulator.
  3. Remove the power window motor from the window regulator.
Installation Procedure
  1. Install the power window motor to the window regulator.
117423423

Important: Remove the nut and the bolt that were used in order to secure the sector gear in position.

  1. Install the rivets in order to secure the power window motor to the window regulator.
  2. Install the window regulator.

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