Improperly seated brake chamber diaphragm
Defect Summary
Caterpillar inc. (caterpillar) is recalling certain model year 2015 ct660, and ct681 trucks manufactured july 28, 2014, to november 5, 2014. the affected vehicles may experience brake drag due to an improperly seated diaphragm in the brake chamber.
Safety Consequence
Brake drag may result in a wheel end fire.
Corrective Action
Caterpillar will notify owners, and dealers will replace the brake actuators, free of charge. An interim letter was mailed to owners on march 18, 2015. a second notice will be mailed once parts become available. owners may contact caterpillar customer service at 1-309-675-5658.
Similar Recalls
Other recalls from Caterpillar, Inc. or involving Parking Brake.
FAQ: Recall 14V814000
Your rights, the repair process, and what each field on this page means.
What is recall 14V814000?
NHTSA recall 14V814000 was issued by Caterpillar, Inc. on December 23, 2014. It addresses: Improperly seated brake chamber diaphragm. The recall affects approximately 57 vehicles, with the defect involving the Parking Brake component.
How do I get this recall repaired?
Contact any authorized Caterpillar, Inc. dealer and reference NHTSA recall ID 14V814000 or the manufacturer campaign number 14V-814. 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.