Drive Belt Sprocket Bolt - Revised Torque
91audi04
Group: 13
Number: 91-05
Date: June 30, 1991
Subject: Drive Belt Sprocket Bolt, Revised Torque
Model(s): 80/90 w/Eng. code 3A 1988-1991
Drive belt sprocket bolt, revised tightening torque
Effective immediately, the tightening torque for the drive belt sprocket bolt has been changed.
Old:
90 N-m ( 66 ft.lb) + 1/2 (180~) turn
New:
90 N-m ( 66 ft.lb.) + 1/4 (90~) turn
CAUTION
Use dial type torque wrench. Damage may result from use of a "click" type wrench.
^ additional 1/4 (90~) turn may be done in more than one step
^ always replace bolt, do not reuse
^ use tool 3099 to hold belt sprocket while loosening or tightening bolt
^ lightly coat the bolt threads and shoulder with oil prior to installing