This bulletin applies to the 2012 Audi A5/S5 models. A humming or metallic rattling noise may be heard from under the vehicle, mostly during engine idle or slow acceleration.
Some 2011 Ford F-Super Duty trucks equipped with the 6.7L diesel engine and built on or before 8-3-2011 may exhibit a MIL on with DTCs P20E8 and P202D. These codes are set by a small diesel exhaust fluid (DEF) leak internal; to the reductant pump assembly.
Installing incorrect Torsional Vibration Damper bolts or re-using the bolts from a previous installation are practices that have been identified as major causes of premature TVD failure.
The majority of water pump failures are caused by some other factor than a bad-quality water pump. It’s easy to blame the pump. But, it takes a good technician to identify the root cause and correct the situation before another water pump fails. A faulty mechanical seal caused by bad installation practices is the most common cause of premature water pump failure.
Some 2008-2010 Toyota Sequoia and 2007-2010 Tundra vehicles may exhibit a grinding noise from the front of the vehicle while in 4WD. An updated differential support bolt is available to address this concern.
Some 2008-2011 Ford Focus vehicles may exhibit a whine, howl or groan noise from an intermediate shaft bearing with the vehicle in motion. This may be due to moisture getting past the bearing seals.
Defective engine mounts are a safety hazard and detrimental to driving comfort. Methods to diagnose defective engine mounts and the resulting consequences are the key topics in the latest "MEYLE Mechanics" video on the "MEYLE TV" YouTube channel.
Audi DTCs for “Please read memory of engine control unit,” or “Load/RPM signal missing from engine control unit” are stored in the memory of the ESP control unit. When ESP regulation is necessary, the system interferes with the engine management system to reduce torque. Before the ESP system activates the brakes, TCS regulation takes place. The engine management system must work flawlessly to ensure proper ESP system operation.
This bulletin applies to 2009 Audi A5/S5 models where an engine no-start condition is experienced, despite pressing the clutch pedal. The driver information center permanently shows the message “To start engine press clutch.”
Filtration experts MAHLE have issued some technical advice concerning confusion over the MAHLE Original and Knecht Filter OX 404 and OX 813/1 filter elements.
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