One problem related to rear window wiper washer has been reported for the 1998 GMC Sierra 1500. The most recently reported issues are listed below.
I own a 1998 GMC sierra and the windshield wipers work only part of the time. Upon searching the internet it seems to be a widespread problem among these vehicles, but the recall doesn't include this year even though the circuit board is the same .
| Windshield Wiper/washer Motor problems | |
| Windshield Wiper/washer problems | |
| Rear Window Wiper Washer problems | |
| Wiper problems |