1977 MACK WL RECALL - #79V137000
		RECALL FOR STEERING : LINKAGES
        THE PITMAN ARM RETAINING NUT MAY NOT HAVE BEEN TORQUED TO MANUFACTURER SPECIFICATIONS. THIS COULD RESULT IN INADEQUATE RETENTION OF THE NUT AT THE OUTPUT SHAFT, ALLOWING THE PITMAN ARM TO BECOME LOOSE.
		Information provided by the National Highway Traffic Safety Administration.
		
		
		
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							| Vehicle | 
							1977 MACK WL | 
							
								
							 | 
						 
						
							| Manufacturer | 
							MACK TRUCKS, INCORPORATED | 
						 
						
							| Manufactured between | 
							5/1/1977 - 4/1/1979 | 
						 
						
							| Recalled on | 
							10/12/1979 | 
						 
						
							| Influenced by | 
							MACK TRUCKS, INCORPORATED | 
						 
						
							| Owners Notified on | 
							10/22/1979 | 
						 
						
							| # Affected | 
							6,673 | 
						 
						
							| Recalled for | 
							STEERING:LINKAGES | 
						 
						
							 | 
							
								 
									
									
								 
							 | 
						 
						
							| Description | 
							THE PITMAN ARM RETAINING NUT MAY NOT HAVE BEEN TORQUED TO MANUFACTURER SPECIFICATIONS. THIS COULD RESULT IN INADEQUATE RETENTION OF THE NUT AT THE OUTPUT SHAFT, ALLOWING THE PITMAN ARM TO BECOME LOOSE. | 
						 
						
							| Consequences | 
							 | 
						 
						
							| Corrective action | 
							DEALER WILL INSPECT AND RETORQUE PITMAN ARM, IF NECESSARY, AT NO COST TO OWNER. | 
						 
						
							| Notes | 
							VEHICLE DESCRIPTION: TRUCKS.SYSTEM: STEERING LINKAGES; ARM, PITMAN.CONSEQUENCES OF DEFECT: THIS CONDITION COULD LEAD TO PREMATURE WEARING OF THEOUTPUT SHAFT CAUSING LOSS OF VEHICLE CONTROL AND AN ACCIDENT. | 
						 
						
							| See also | 
							
							
							
								1977 MACK WL Recall for WHEELS, MULTI PIECE
							
							
  
							
								1977 MACK WL Recall for ENGINE AND ENGINE COOLING, COOLING SYSTEM, FAN
							
							
  
							
								1977 MACK WL Recall for SUSPENSION, REAR, SPRINGS, LEAF SPRING ASSEMBLY, HANGER/BRACKET
							
							
  
							
								1977 MACK WL Recall for SERVICE BRAKES, AIR, SUPPLY, HOSES, LINES/PIPING, AND FITTINGS
							
							
  
							
								1977 MACK WL Recall for ENGINE AND ENGINE COOLING, ENGINE
							
							
  
							
								1977 MACK WL Recall for SERVICE BRAKES, AIR, ANTILOCK, INTERCONNECTING ASSEMBLY(WIRING)
							
							
  
							
								1977 MACK WL Recall for ENGINE AND ENGINE COOLING, ENGINE
							
							
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