<p><img class="wrapImageCMS imageID_7390" src="http://images.autoserviceprofessional.com/post/M-BUICK-16-1.jpg" border="0" alt="" /></p><p>This bulletin applies to 2010-2013 Buick Regal models, in addition to a number of 2009-2013 GM vehicles. The vehicle may experience a power steering noise/whine or fluid leak from the power steering pump, gear or high pressure side power steering hose during extreme low outdoor temperatures.</p><p>During extremely low temperatures (-31 degrees Fahrenheit or lower), the power steering fluid may thicken and the power steering system pressures may rise.</p><p>To resolve the condition, replace any damaged power steering system components, and flush and refill with Dexron HP power steering fluid (P/N 19300536).</p><h3>Keywords</h3><a href="http://www.autoserviceprofessional.com/list/topic/Buick">Buick</a> <a href="http://www.autoserviceprofessional.com/list/topic/Buick-Regal">Buick Regal</a> <a href="http://www.autoserviceprofessional.com/list/topic/General-Motors">General Motors</a> <a href="http://www.autoserviceprofessional.com/list/topic/GM">GM</a> <a href="http://www.autoserviceprofessional.com/list/topic/Power-steering">Power steering</a>