Recalls for 1987 Mack Mr Series

DEFECT #1 - WHEELS

Posted on: 1988-10-11
Description
Fasteners that hold the rear wheel to the hub and drum assembly may be improperly torqued.

Consequence
An undertorqued fastener will loosen up and can result inwheel separation, loss of control, and an accident.

Corrective Action
Properly torque rear wheel space fasteners.

Notes
System: rear wheel spacer fasteners.vehicle description: heavy duty trucks.

DEFECT #2 - SUSPENSION:MULTIPLE AXLE

Posted on: 1988-10-11
Description
The undersized weld on the rear suspension bracketry attachment can cause bracket failure.

Consequence
Bracket failure can allow the spring assembly to bereleased onto the roadway, possibly resulting in loss of control and anaccident.

Corrective Action
Replace any housings that have single pass (undersized) welds on the bracketry attachment.

Notes
System: rear axle housing.vehicle description: heavy duty trucks.

DEFECT #3 - STEERING:LINKAGES

Posted on: 1987-12-04
Description
Cross steering levers may be improperly heat treated and subject to fail during normal operation.

Consequence
Such failure could cause loss of truck control withoutprior warning and result in a crash.

Corrective Action
Install new, properly heat treated steering lever.

Notes
System: cross steering levervehicle description: heavy duty trucks with mack faw 616 or 617 series frontaxle.