| NHTSA Campaign Number: |
79V133000 |
| Vehicle/Equipment Make: |
MACK |
| Vehicle/Equipment Model: |
RS |
| Model Year: |
1978 |
| 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. |