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Twingo Technical & Detailing Information
Engine, Gearbox, Exhaust, Intake
Knocking noise when switching off engine
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<blockquote data-quote="Tom McG" data-source="post: 182295" data-attributes="member: 920"><p>Any advise/help welcome.</p><p></p><p>Around 8 out every 10 times when switching off the engine there's a light to medium knocking which feels very like the engine is running-on or moving around possibly not shutting down properly. I doubt it is running-on, modern fuel injection cars shouldn't suffer from this, a phenomenon anyone old enough to remember carburettors and points might remember.</p><p></p><p>Thinking (and I still suspect this) its an engine mount issue I've replaced the dogbone mount... no improvement, although grabbing the engine close to timing belt mount results in a fair amount of movevent.. to me anyway. We also have 2006 1.4 clio essentially similar renault generic parts engine block etc. with no where near as much movement from the same engine mount. </p><p></p><p>Is failure of any of the top mounts a common problem? </p><p></p><p>Other possibilities would be something around altenator, a/c commpressor, crank damper or the renault vvc device.</p><p></p><p>Car has only done 23,000 miles being a 2010 plate, well maintained annual oil changes using top quality oil.</p><p></p><p>Tom</p></blockquote><p></p>
[QUOTE="Tom McG, post: 182295, member: 920"] Any advise/help welcome. Around 8 out every 10 times when switching off the engine there's a light to medium knocking which feels very like the engine is running-on or moving around possibly not shutting down properly. I doubt it is running-on, modern fuel injection cars shouldn't suffer from this, a phenomenon anyone old enough to remember carburettors and points might remember. Thinking (and I still suspect this) its an engine mount issue I've replaced the dogbone mount... no improvement, although grabbing the engine close to timing belt mount results in a fair amount of movevent.. to me anyway. We also have 2006 1.4 clio essentially similar renault generic parts engine block etc. with no where near as much movement from the same engine mount. Is failure of any of the top mounts a common problem? Other possibilities would be something around altenator, a/c commpressor, crank damper or the renault vvc device. Car has only done 23,000 miles being a 2010 plate, well maintained annual oil changes using top quality oil. Tom [/QUOTE]
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Twingo Technical & Detailing Information
Engine, Gearbox, Exhaust, Intake
Knocking noise when switching off engine
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