1977 Mack Mc Recalls
All 1977 Mack Mc recalls can be found below. It is important to us to provide a complete resource for recall information, so if you know of any additional related recalls, please contact us to let us know.October 12th, 1979
Recalled Component
ENGINE AND ENGINE COOLING:ENGINE
ENGINE AND ENGINE COOLING:ENGINE
Recall Date
October 12th, 1979
October 12th, 1979
Units Effected
23,000
23,000
NHTSA Campaign Number: 79V133000
Manufacturer: Mack Trucks, Inc.
Manufactured Begin Date: February 1st, 1977
Manufactured End Date: March 1st, 1979
Date of Owner Notification: November 2nd, 1979
Defect Summary:
IN THE EVENT OF TURBOCHARGER COMPRESSOR WHEEL FAILURE, ONE OR MORE OF THE FOUR CAPSCREWS THAT HOLD THE TURBOCHARGER TOGETHER MAY BE STRUCK BY PARTS OF THE COMPRESSOR WHEEL, RESULTING IN THE CAPSCREWS BEING DAMAGED. IF THESE CAPSCREWS ARE DAMAGED TO THE POINT THAT THEY ALLOW THE COMPRESSOR BACK PLATE TO DISLOCATE FROM THE TURBOCHARGER BEARING HOUSING, ENGINE LUBRICATING OIL MAY BE ALLOWED TO ESCAPE UNDER PRESSURE, CONTACTING THE ENGINE EXHAUST MANIFOLD SECTIONS OR TURBOCHARGER TURBINE HOUSING. Corrective Summary:
DEALER WILL INSTALL A SHIELD FOR THE HEADS OF THE FOUR CAPSCREWS, ALONG WITH STRONGER SAE 8 GRADE 8 CAPSCREWS, IF NECESSARY, AT NO COST TO OWNER. Recall Notes:
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH ENDT (B) 676, ETAZ (B) 673A, AND ETAY(B) 673A ENGINES.SYSTEM: ENGINE AND ENGINE COOLING.CONSEQUENCES OF DEFECT: ENGINE LUBRICATING OIL, IN THE PRESENCE OF A SOURCE OFIGNITION, COULD LEAD TO AN ENGINE COMPARTMENT FIRE AND SERIOUS INJURY TOVEHICLE PASSENGERS.
Recall Comments
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