Mini Cooper Cold Start Rattle
Mini Cooper Cold Start Rattle
Mini Cooper Cold Start Rattle
Some of the early production Mini Cooper S models have been known to exhibit the 'Cold Start Rattle'. This typically occurs when the engine is cold and makes the sounds like an old diesel engine upon startup.
The affected models include the following models with the N14 engine produced from 11/2006 to 05/2009:
SITUATION
The timing chain tensioner applies pre-tension to the timing chain guide rail mechanism. In some cases, the tensioner spring force may be too low. Depending on the severity of the wear, it may lead to a rattling noise when starting the engine cold or when the engine is idling.
CAUSE
The timing chain tensioner internal tolerances are not consistent. (Click on the following link for the complete article.) http://new.minimania.com/Mini_Cooper_Cold_Start_Rattle
Some of the early production Mini Cooper S models have been known to exhibit the 'Cold Start Rattle'. This typically occurs when the engine is cold and makes the sounds like an old diesel engine upon startup.
The affected models include the following models with the N14 engine produced from 11/2006 to 05/2009:
- 2008-2010 R55 Mini Cooper S Clubman
- 2007-2010 R56 Mini Cooper S Hardtop
- 2009-2010 R57 MINI Cooper S Convertible
SITUATION
The timing chain tensioner applies pre-tension to the timing chain guide rail mechanism. In some cases, the tensioner spring force may be too low. Depending on the severity of the wear, it may lead to a rattling noise when starting the engine cold or when the engine is idling.
CAUSE
The timing chain tensioner internal tolerances are not consistent. (Click on the following link for the complete article.) http://new.minimania.com/Mini_Cooper_Cold_Start_Rattle
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