Two problems related to timing tensioner have been reported for the 1997 Buick Skylark. The most recently reported issues are listed below.
Timing chain has been repaired 3 times in 3 months. Tensioner is defective/ colapses, and warranty expired. No problem with tensioner.
Tensioner collapsed and plastic guides broke, causing timing chain to jump when making a sudden stop in middle of freeway. Dealer contacted.