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Noisey hydraulic tappet.
> wrote in message ... > My 2000 540 is starting to make a nasty noise starting. It is an M62 > engine and it has done 67K miles. The noise is coming from the left > bank of cylinders looking from the drivers seat and it is a right hand > drive car. The mech hasn't done one before but has done 6 cylinder > models. Have I got to have all the tappets replaced on the left bank > of cylinders? How many hydraulic tappets are there per this engine? Is > this going to be very expensive? > pete > -- > http://www.brazierbridgewood.blogspot.com/ > http://www.flickr.com/photos/ipswich/ As the car gets older the hydraulic tappets wear. This allows the oil to run out of the tappet(s) when the car is standing. When an older car is restarted after a long time standing it is normal to hear quite a bit of tappet noise until they pump themselves up again (usually a minute or two). In the mean time don't thrash it, although this is good advice for any cold engine. If the noise is constant then one or more of them may be stuck. Try thinner or thicker oil (ask mechanic). It may be possible to just remove the crankshaft cover(s) to inspect, manipulate or replace the tappets. I would not consider undoing the head unless the problem was really bad AND your mechanic knows what he is doing - you need new bolts, gaskets, run in etc. if you do this and it will cost £££. Consider the possibility of looseness of the cam chain. How sure are you about the mileage? |
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#2
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Noisey hydraulic tappet.
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