Part I - Belt Tension Gauge

Whenever a timing belt is replaced on the subject engine, it must be adjusted when the engine is hot only (thermostat open).

TENSION SPECIFICATIONS

^ Belt Tension With Engine Hot 150N

The timing belt tension gauge, J-26486-A, was an essential tool which Buick dealers received approximately May 1982. Because of the importance of correct belt tensioning, it is imperative all dealers have a gauge which is accurately calibrated.