All brake systems default to manual function when something goes haywire with the electronic enhancements, which is why the brakes seem to work just fine. Slam on the brakes hard and I bet they lock up, which is not what should happen. More From Popular Mechanics. The likely culprit is one of the ABS wheel-speed sensors, a pinky-size part that detects the teeth of the tone ring.
Unless you are recording actual release detection results at least every 30 days and maintaining records for at least 5 years, you are not doing leak detection.  Keep all records of calibration, maintenance, and repair of your release detection equipment for at least 5 years.eep These O&M Records  Keep your manual tank gauging records for at least 5 years. Unless you are recording actual release detection results at least weekly and every 30 days and maintaining records for at least 5 years, you are not doing leak detection right.
How Long You Should Keep Tax Records. To be on the safe side, keep your tax records for a minimum of three years or whenever the statute of limitations runs out for filing returns or refunds, whether youâre claiming personal deductions or keeping receipts for business expenses.