oil leak

martinaltury

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hi all i asked this before and got no answer would any body now how
hi i have to lift the engine in my 1999 clk 3.20 to get the sump out of
the bottom so i can sort the oil leak out i now you need to remove
the small sump to get to some of the bolts to remove the next part
thanks martin
 

television

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Do you know where it is leaking from
 

rapide

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as television , i did answer this asking if it was ATF or engine oil as its coming out of the bell housing, very old dirty ATF can look like engine oil! as we know! leaky sump or rear main , last resort! if its not running down from some where, a friends shogun was diagnosed last week rear main seal gone , I know they have a problem with a half moon seal at the back of head under the rocker gasket, yes thats what it was 15 minutes some gasket goo! back on lovely! so dont always think the worst , not at first anyway save it for later!
 
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martinaltury

martinaltury

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the oil is running out round some of the sump bolts at the back of the engine
its engine oil not trans oil i have already changed rocker cover gaskets
its not on the converter and its not the rear crank seal
thanks boys
 

television

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I think that by dropping the front sub frame will be the only way to remove the sump on a 112
 

rapide

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can you get it on a ramp and wash off that area let it dry then run it and really identify the leak, sump leak sounds very rare to me, but what do i know! other than make sure its that because its a lot if work as television says cross member / subframe down or engine out i hope its something else, keep us informed as you go along unless heavy drinking comes into it then you are excused! Rap!
 
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martinaltury

martinaltury

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its been on a ramp most nights last week its so clean underneath
you can eat your diner under my clk wen its standing still here is no leak
i have been under neath for 10 mines with it running and no oil only
seams to leak wen its being driven
 

Frontstep

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Can't think its the sump then.
Front seal being blown back ?
 
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rapide

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How very odd and worrying, needs further investigation of some sort, how about stuffing some rag up around the rear main and seeing if its actually coming from around there when driven, obviously keeping fire safe of course! but drastic times call for drastic measures, in the sixties i worked with a rob walker lotus racing mechanic, who if there was a noise from an engine bay when driven you couldnt find, would take the bonnet off and sit in the bay as you drove it around the block and listen etc and it worked , jags / bmw,s/ etc the good old days! well fun anyway but you get my drift! and yes he is still alive!
 

brandwooddixon

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The leak could just be a seal on a sensor.

Still, I'd be tempted to liberally dust suspected areas with talcum powder then drive the car for a bit.

The talc will soak up the oil and give you more of an idea as to where it's coming from.
 
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martinaltury

martinaltury

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ok is here any were above the starter motor were oil can come from as cannot
see any were ells were the oil can bee coming from its not roker covers
its not blowing back from the front some body make my day
martin
 

rapide

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the only joint around there must be a head gasket i wonder if the oil feed to a head is around the corner of a gasket at the rear! I hope it isnt! someone on here will know.
 
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martinaltury

martinaltury

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Hi rapide i do hope i do not have to go there i am still looking
still have a felling its the sump
 

rapide

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could it be running back from the front of the rocker cover along the block! is it loosing much! just exploring any avenue! for you!
 
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martinaltury

martinaltury

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not losing much only a spot on the floor an inch across after a 100 miles
prob is it blows on to the exhaust so wen you stop you can smell it
and that ****es me of more than the spot of oil on the floor
martin
 


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