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.
Be sure your ATG software/equipment is certified for the size of your tank(s). If you are using CSLD, SCALD, or another form of continuous leak detection, verify that the ATG is set to 99% operating mode in system setup and keep MIR.CSLD and SCALD are certified as .2gph, so MIR must be kept on the OCC form or an electronic equivalent.Keep a copy of the National Work Group Leak Detection Evaluation (NWGLDE) thirdparty certification for your equipment with your records. You-must keep one passing test for each tank for the last 12 months.f you are using CSLD, SCALD, or another form of continuous leak detection, verify that the ATG is set to 99% operating mode in system setup and keep MIR. CSLD and SCALD are certified as .2gph, so MIR must be kept on the OCC form or an electronic equivalent.