Key Takeaway
STEERING:POWER ASSIST:HYDROBOOST UNIT by MACK TRUCKS, INCORPORATED was recalled on May 24, 1991. What to do: REPLACE INCORRECTLY BUILT BOOST CYLINDERS.
STEERING:POWER ASSIST:HYDROBOOST UNIT
Description
INCORRECT MANUFACTURE OF THE HYDROBOOST CYLINDER ALLOWS THE BALL SOCKET CLAMP TO CONTACT RIGHT SIDE STEERING LEVER ON AN EXTREME LEFT TURN AND CAUSE FLEXING OF THE CYLINDER ROD .
Injuries / Consequence
THIS FLEXING CAN CAUSE SEAL FAILURE OR CYLINDER FAILUREOF THE HYDROBOOST UNIT AND RESULT IN LOSS OF STEERING CONTROL AND RESULT IN AVEHICLE ACCIDENT.
Remedy
REPLACE INCORRECTLY BUILT BOOST CYLINDERS.
Products Affected
Vehicle
VehiclesCompany Information
MACK TRUCKS, INCORPORATED
Unknown location
View all 234 recalls by MACK TRUCKS, INCORPORATED →Related Recalls
MACK/WHEEL SPACER
August 14, 2003
MACK/STEERING BOOST CYLINDER MOUNTING BRACKET
August 7, 2003
MACK/FMVSS 121/CHECK VALVE
July 28, 2003
MACK/FIFTH WHEELS/FATIGUE CRACKS
June 19, 2003
MACK/ARVINMERITOR/SKF/FRONT AXLE HUBS
June 5, 2003
MACK/CAB REFLECTORS
April 23, 2003
Frequently Asked Questions
Is this recall still active?
Check the status badge at the top of this page. "Ongoing" means the recall is still active and you should follow the remedy instructions. "Completed" or "Terminated" means the recall process has concluded, though the safety issue remains relevant for any unrepaired products.
How do I check if my product is affected?
Compare the model number, lot code, serial number, or date range listed in the recall notice with the information on your product's label or packaging. For vehicles, check your VIN at NHTSA.gov/Recalls.
What remedy is available for this recall?
The listed remedy for this recall is: REPLACE INCORRECTLY BUILT BOOST CYLINDERS.
Where can I find the original recall notice?
This recall was issued by NHTSA. You can view the original notice using the link provided above.