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frequently_asked_questions_faqs [2021/08/22 21:00]
karl
frequently_asked_questions_faqs [2021/09/22 16:46] (current)
karl
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 This issue has been the cause of much controversy over the years. Please note that we as a club can only recommend a course of action. It is up to you, the individual if you would like to take the advice or ignore it.  This issue has been the cause of much controversy over the years. Please note that we as a club can only recommend a course of action. It is up to you, the individual if you would like to take the advice or ignore it. 
  
-The E51 has what is known as a Quad-Cat system. This means that there are 4 catalytic converters in total. Two for Bank 1 of exhaust manifold of the V6 engine, and then another two for Bank 2.+The E51 has what is known as a Quad-Cat system. This means that there are 4 catalytic converters in total. Two for Bank 1 of the V6 engine, and then another two for Bank 2. This applies to both the VQ25 2.5L and VQ35 3.5L engines
  
-The issue from this system is that over time the first catalytic converters from each bank can deteriorate over time and can break down. The debris from the broken ceramic material then created blocked in the secondary catalytic converters further down the exhaust. Once a blockage has occurred, pressure builds up, exhausts gasses and debris can back flow into the engine and create terminal damage to the engine.+The issue from this system is that over time the first catalytic converters from each bank can deteriorate over time and can break down. The debris from the broken ceramic material then create blockage in the secondary catalytic converters further down the exhaust. Once a blockage has occurred, pressure builds up, exhausts gasses and debris can back flow into the engine and create terminal damage to the engine.
  
 Some owners have luckily had warning signs which allowed them to react and fix the issue before the engine died. These symptoms can range from rattling sounds in the exhaust area (under the cockpit), drop in revs, low power etc. Some owners have luckily had warning signs which allowed them to react and fix the issue before the engine died. These symptoms can range from rattling sounds in the exhaust area (under the cockpit), drop in revs, low power etc.
frequently_asked_questions_faqs.1629666049.txt.gz ยท Last modified: 2021/08/22 21:00 by karl