RS: ENGINE AND ENGINE COOLING:ENGINE

Go Back To 1977 MACK TRUCKS, INC Directory

NHTSA Campaign Number:	79V133000
Vehicle/Equipment Make:	MACK
Vehicle/Equipment Model:	RS
Model Year:	1977
Manufacturer Campaign Number:
Manufacturer Component Description:	ENGINE AND ENGINE COOLING:ENGINE
Manufacturers Involved in Recall:	MACK TRUCKS, INCORPORATED
Manufacturered:	19770201 - 19790301
Type of Report:	V (Vehicle, Equipment or Tire)
Potential Number of Units Affected:	23000
Date Owner Notified By Manufacturer:	19791102
Recall Initiated By:	19791102
Manufacturer Responsible For Recall:	MACK TRUCKS, INC
Report Received Date:	19790531
Record Creation Date:	19791012
Regulation Part Number:
Federal Motor Vehicle Safety Standard Number:
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.
Consequence Summary:
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.

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