97 Tahoe wipers bounce back at bottom of cycle

[palmettosunshine]

Hello everyone,

As the title says, my 97 Tahoe's wipers "bounce back" at the bottom of the wiper cycle when I use the intermittent switch. I just replaced the circuit board and that had no effect. The wiper motor is a re manufactured unit according to the label on it. Should I just go ahead and replace the motor or is my linkage just worn out? Any thoughts would help.

1997 Tahoe LT 4x4 5.7L with 162K.

Thanks!

 

[lesterl]

Sounds like an internal motor issue, perhaps the timing disc is out of alignment.