Internal rubber diaphragm incomplete attachment
Defect Summary
Mack trucks, inc. (mack) is recalling certain model year 2015 and 2016 cxu and leu trucks manufactured may 20, 2014, to march 24, 2015, equipped with certain haldex life seal type 30/30 long stroke air brake actuators manufactured from january 9, 2014, through february 3, 2015. the affected actuators may have an incomplete attachment of the internal rubber diaphragm to the actuation mechanism of the parking brake section of the life seal actuator.
Safety Consequence
If the diaphragm is not completely attached, there may be internal leakage from the service section past the diaphragm, potentially trapping air pressure in the parking brake section. This air pressure in turn, if not vented, may prevent full release of the actuator unit, and may induce brake drag and may result in overheated wheelend service brakes, increasing the risk of a fire.
Corrective Action
Mack will notify owners, and dealers will inspect the brake actuator and replace, as necessary, free of charge. the recall began march 20, 2015. Owners may contact mack customer service at 1-610-709-2131. Mack's number for this recall is sc0387.
Similar Recalls
Other recalls from Mack Trucks, Inc. or involving Parking Brake.
FAQ: Recall 15V025000
Your rights, the repair process, and what each field on this page means.
What is recall 15V025000?
NHTSA recall 15V025000 was issued by Mack Trucks, Inc. on January 22, 2015. It addresses: Internal rubber diaphragm incomplete attachment. The recall affects approximately 349 vehicles, with the defect involving the Parking Brake component.
How do I get this recall repaired?
Contact any authorized Mack Trucks, Inc. dealer and reference NHTSA recall ID 15V025000 or the manufacturer campaign number SC0387. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.