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> Please Help Me With My 240glt, Oil and idle problems
benjt28
post Nov 13 2012, 01:04 PM
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hello everyone, completely new to the forum, and in need of a fair bit of help. i purchased the 240 about 3-4months ago, was running well until now, i went for a 40 mile round trip got back and oil was seriously leaking from what seems the rear of the engine -bulk head side. after a fair bit of research i changed a very oily and gunky flame trap, i've then cleaned the breather nut on the manifold and cleaned as best as i can, i've been told it could have put alot of pressure on the crankshaft, and hence the rear seal may be blown? however the oil only leaks when its up to temperature. this is quite hard to do as the car is struggling to idle. starts fine but eventually cuts out after shaking a hell of a lot to then eventually cut out. again however when its up to temperature it runs perfectly fine? if anyone has any ideas i would be so greatly appreciative on any help. many thanks! benj (IMG:style_emoticons/default/smile.gif)
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robert240
post Nov 13 2012, 01:10 PM
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What year and how much oil? Sometimes it can be the black plastic cam plug in the back of the head ...
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benjt28
post Nov 14 2012, 04:42 PM
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don't know an exact amount but probably 2-3 litres, and its an '89, 2.3? thanks for the reply!
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danielm85948
post Nov 14 2012, 09:17 PM
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QUOTE (benjt28 @ Nov 13 2012, 02:04 PM)
hello everyone, completely new to the forum, and in need of a fair bit of help. i purchased the 240 about 3-4months ago, was running well until now, i went for a 40 mile round trip got back and oil was seriously leaking from what seems the rear of the engine -bulk head side. after a fair bit of research i changed a very oily and gunky flame trap, i've then cleaned the breather nut on the manifold and cleaned as best as i can, i've been told it could have put alot of pressure on the crankshaft, and hence the rear seal may be blown? however the oil only leaks when its up to temperature. this is quite hard to do as the car is struggling to idle. starts fine but eventually cuts out after shaking a hell of a lot to then eventually cut out. again however when its up to temperature it runs perfectly fine? if anyone has any ideas i would be so greatly appreciative on any help. many thanks! benj (IMG:style_emoticons/default/smile.gif)

the fact it says your car is a GLT take it this has a turbo, then it has an inter cooler, in front of your radiator, so remove the two large rubber hoses each side of the inter cooler,now remove the two brackets holding it on , now push forward your radiator and lift out the inter cooler, pour out the oil and water mix,found it it, now pour in a degreeser into it, and let it sit about an hour,then pour out , now pour in boiling hot water, in to it,the pour that out, now refit.
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benjt28
post Nov 15 2012, 11:40 AM
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QUOTE (danielm85948 @ Nov 14 2012, 10:17 PM)
the fact it says your car is a GLT take it this has a turbo, then it has an inter cooler, in front of your radiator, so remove the two large rubber hoses each side of the inter cooler,now remove the two brackets holding it on , now push forward your radiator and lift out the inter cooler, pour out the oil and water mix,found it it, now pour in a degreeser into it, and let it sit about an hour,then pour out , now pour in boiling hot water, in to it,the pour that out, now refit.


sadly the car doesn't have a turbo, i'm completely stuck, thanks though!
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draser
post Nov 16 2012, 10:02 AM
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You need to fix the idle issue - try cleaning the idle control valve with some carb cleaner. The oil leak - make sure you don't have positive pressure in the crankcase - remove the oil cap while it's running and put a rubber glove on top, make sure you hold on to it. If it gets sucked in you're good, otherwise you have to much pressure, which forces the oil out at the seals. If you pass this test, you still may have a bad oil seal. Try to locate if it leaks from the valve cover - top of the engine, or if the top is clean but you still have a leak on the bottom between the oil pan and tranny it's the crank rear seal. Let us know.
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benjt28
post Nov 16 2012, 10:10 AM
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i shall give it a go! many thanks and i shall let you know of any progress!
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benjt28
post Nov 27 2012, 07:28 PM
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ok, so i gave it bash, idle is better, still not perfect however i am fairly sure its the rear oil seal, so a friend of mine is picking one up from birmingham for me, sorry to sound like a novice but any help is really appreciated! what tools are needed? any tips? any websites where there any good instructions or anything on how to do and complete the job! really am grateful for your help!
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danielm85948
post Nov 28 2012, 12:34 AM
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QUOTE (benjt28 @ Nov 27 2012, 08:28 PM)
ok, so i gave it bash, idle is better, still not perfect however i am fairly sure its the rear oil seal, so a friend of mine is picking one up from birmingham for me, sorry to sound like a novice but any help is really appreciated! what tools are needed? any tips? any websites where there any good instructions or anything on how to do and complete the job! really am grateful for your help!

as you have cleaned your idle control valve , now spray carb cleaner, or throttle cleaner into your throttle, open the butterfly by turning the wheel of your throttle, it will be very dirty in there.
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benjt28
post Nov 28 2012, 03:34 PM
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will get that sorted! many thanks! any tips on the oil seal?
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danielm85948
post Nov 28 2012, 09:20 PM
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QUOTE (benjt28 @ Nov 28 2012, 03:34 PM)
will get that sorted! many thanks! any tips on the oil seal?

take it you mean the oil is leaking from the cam shaft cover, get a new cam shaft cover gasket , then remove the cover clean off the old gasket ,now you can see the cam shaft,check no dirty oil gunk is found, clean the oil ways ,now fit the gasket, and your cover back on.
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