R56 Cooper S engine noise - humming?
#1
R56 Cooper S engine noise - humming?
Do all Cooper S engines make a humming noise (like a sewing machine maybe) - it sounds like a much smaller engine than the 1600cc turbo.
It sounds like a noise from a belt or a pump wirring, not too loud and only noticeable at slow speeds. No fault codes, engines temps ok and runs perfectly.
It sounds like a noise from a belt or a pump wirring, not too loud and only noticeable at slow speeds. No fault codes, engines temps ok and runs perfectly.
Last edited by Mrbrown; 06-16-2015 at 07:21 AM.
#2
Which side do you hear it on ? Driver or passenger side. Top or bottom of the engine ?
With engine on or off ?
Thanks
With engine on or off ?
Thanks
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#3
#5
#6
What year is this , I can see its an N14. Sounds like a belt / pulley or something. Can you listen to the passenger side wheel well and see if its coming from there ?
I cant tell from the audio speakers here , they dont pic up all the sounds.
I cant tell from the audio speakers here , they dont pic up all the sounds.
__________________
MINI Guru/ MINI Owner Since 2004 | NEW Lifetime Part Replacement | Local Pickup
Milltek | Genuine MINI | Forge Motorsport | NM Engineering | ECS Performance | M7 Speed
Customer Service Hours: 8am-8pm EST|Sales Team Hours: 8am-11pm | SAT 10am-7pm 800.924.5172
MINI Guru/ MINI Owner Since 2004 | NEW Lifetime Part Replacement | Local Pickup
Milltek | Genuine MINI | Forge Motorsport | NM Engineering | ECS Performance | M7 Speed
Customer Service Hours: 8am-8pm EST|Sales Team Hours: 8am-11pm | SAT 10am-7pm 800.924.5172
#7
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#8
Tensioners need oil pressure to function correctly, when you're at 2500 - 4000 RPM's oil pressure increases pushing the hydrolic tensioner piston all the way out. When idling you have lower oil pressure together with a tensioner that needs more oil pressure to properly tension the timing chain. At the very least get a measurement of your timing chain slack to see if you need either a new tensioner or all of the timing chain components replaced. If your chain measures no more than 68mm then you need a tensioner for now.
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