1974 MACK R685ST Recall

Campaign:: 75V050000 on 10/11/1979
Component:: Service brakes, air:antilock:control unit/module
Affected:: 38
Notes:: Mack campaign no n/a.truck/anti wheel lock brake control.oct 1974 thru nov.26, 1974.possibility of the anti-lock system failure.the computer modulecontains a number of pin connections which may be defective and could cause aloss of wheel anti-lock control without warning to the driver.such a failureof the system would not cause the "anti-lock inoperative" warning light tofunction.(correct by inspecting and replacing computer module with improveddesign where necessary).