should I pull the oil filter housing off?
#1
should I pull the oil filter housing off?
Hi all. I took off my oil cooler from the housing and It needs to be replaced I'm pretty sure. My next question is, with the condition of the cooler should I be concerned about the condition or seals for the housing as well? Or leave it alone.. I don't wana pull anything off I don't have to but it also wasnt a pretty sight
#2
I took off my oil cooler from the housing and It needs to be replaced I'm pretty sure. My next question is, with the condition of the cooler should I be concerned about the condition or seals for the housing as well? Or leave it alone.. I don't wana pull anything off I don't have to but it also wasnt a pretty sight.
You may have an oil leak elsewhere, and its blown all over the cooler during driving. A failed cooler would allow oil into the coolant which would be apparent in the coolant expansion tank in the form of a tan-colored milkshake-looking goop.
MINIs can and will leak oil over time as the various seals and gaskets harden with age and lose their sealing ability. It's always good to go through all the oil-related seals/gaskets and change them out. These include the oil housing gasket, the two oil cooler o-rings, valve cover gasket, camshaft sensor o-ring, crankshaft seal, crankshaft sensor o-ring, oil pan gasket and less likely, the timing cover gasket. If several are leaking, you'll have no idea where the oil is coming from. Try and degrease everything while you're in there so new oil seepage will be more easily traced to the source.
Now that you've removed your oil cooler, clean it up and do make sure to replace both round cooler seal rings (p/n 11427509261) as they've likely become brittle and leak oil.
#3
What makes you certain the cooler has failed?
You may have an oil leak elsewhere, and its blown all over the cooler during driving. A failed cooler would allow oil into the coolant which would be apparent in the coolant expansion tank in the form of a tan-colored milkshake-looking goop.
MINIs can and will leak oil over time as the various seals and gaskets harden with age and lose their sealing ability. It's always good to go through all the oil-related seals/gaskets and change them out. These include the oil housing gasket, the two oil cooler o-rings, valve cover gasket, camshaft sensor o-ring, crankshaft seal, crankshaft sensor o-ring, oil pan gasket and less likely, the timing cover gasket. If several are leaking, you'll have no idea where the oil is coming from. Try and degrease everything while you're in there so new oil seepage will be more easily traced to the source.
Now that you've removed your oil cooler, clean it up and do make sure to replace both round cooler seal rings (p/n 11427509261) as they've likely become brittle and leak oil.
You may have an oil leak elsewhere, and its blown all over the cooler during driving. A failed cooler would allow oil into the coolant which would be apparent in the coolant expansion tank in the form of a tan-colored milkshake-looking goop.
MINIs can and will leak oil over time as the various seals and gaskets harden with age and lose their sealing ability. It's always good to go through all the oil-related seals/gaskets and change them out. These include the oil housing gasket, the two oil cooler o-rings, valve cover gasket, camshaft sensor o-ring, crankshaft seal, crankshaft sensor o-ring, oil pan gasket and less likely, the timing cover gasket. If several are leaking, you'll have no idea where the oil is coming from. Try and degrease everything while you're in there so new oil seepage will be more easily traced to the source.
Now that you've removed your oil cooler, clean it up and do make sure to replace both round cooler seal rings (p/n 11427509261) as they've likely become brittle and leak oil.
#7
And that CV joint of yours, spewing grease, coating everything around it as it spins isn't helping things. Axle has to come off to fix or replace it, which would be your best opportunity to pull the oil filter housing for a gasket change, as with the axle in place, is very fiddly to get to. With axle removed, the job becomes exponentially easier.
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#8
My oil cooler failed about two years ago. The whole process - from discovery to diagnosis to repair is documented in THIS thread.
And that CV joint of yours, spewing grease, coating everything around it as it spins isn't helping things. Axle has to come off to fix or replace it, which would be your best opportunity to pull the oil filter housing for a gasket change, as with the axle in place, is very fiddly to get to. With axle removed, the job becomes exponentially easier.
And that CV joint of yours, spewing grease, coating everything around it as it spins isn't helping things. Axle has to come off to fix or replace it, which would be your best opportunity to pull the oil filter housing for a gasket change, as with the axle in place, is very fiddly to get to. With axle removed, the job becomes exponentially easier.
thank you so much! At this point, I think I'm going to replace just the seals of the oil cooler, instead of the whole thing, do the seals/gasket on the housing, and the water pump and thermostat and hope that helps the over heating. as for the boot-- are you saying I should replace the CV joint as well?
#9
If reusing, you would need to repack the inner rollers and housing with axle grease then replace both rubber boots and clamps.
Obviously, purchasing a new axle would solve everything, as you would just have to slide in the new axle, and you're done. Much less work.
Unless you're buying the axle from MINI, aftermarket new axles are not too bad, price-wise, but I wouldn't go too cheap.
Again, this would be the ideal time to pull the oil filter housing to replace the housing to block gasket. With axle in place, it's much more of a chore.
#10
#11
ended up going with complete new axels.. bought drivers side one too just because if I'm replacing one why not do the other 🤔 getting the axel nut loose was a PITA and a half... I can NOT get the half of the axel that is clipped to the tranny side... I don't have power tools but at this point I think I might have to get some unless anyone has suggestions on getting it out with simple tools?
#12
You need a pry bar or big screwdriver to pry the axle away from the trans. Just pry between the axle and the trans housing. A clip holds the axle in the transmission just takes some prying to pop it free. I noticed the polish on your nails. Your a gal and not many gals tackle these types of jobs. You are to be congratulated and admired! Good luck!
#15
I would do the housing o-rings while you're in there.
The cooler doesn't look blown as the oil on it and your hands doesn't show any sign of moisture.
You need a CV boot as every one points out.
If you already have the new cooler then toss it on after you do the housing o-rings and clean the crap out of everything so it'll be easier to diagnose your issues.
The cooler doesn't look blown as the oil on it and your hands doesn't show any sign of moisture.
You need a CV boot as every one points out.
If you already have the new cooler then toss it on after you do the housing o-rings and clean the crap out of everything so it'll be easier to diagnose your issues.
#16
I would do the housing o-rings while you're in there.
The cooler doesn't look blown as the oil on it and your hands doesn't show any sign of moisture.
You need a CV boot as every one points out.
If you already have the new cooler then toss it on after you do the housing o-rings and clean the crap out of everything so it'll be easier to diagnose your issues.
The cooler doesn't look blown as the oil on it and your hands doesn't show any sign of moisture.
You need a CV boot as every one points out.
If you already have the new cooler then toss it on after you do the housing o-rings and clean the crap out of everything so it'll be easier to diagnose your issues.
#17
The top bolt (#1, kind of within a channel) is almost directly above the oil pressure sensor.
You'll have to remove the heat shield which attaches to the housing to get to this one
From the bottom, especially if you have the axle out, you should see one of the two bottom bolts (#2, lower corner).
The second of the two bottom bolts (#3, the longest of the three) sits in a crevice just under the oil filter cap and behind the cooler.
#18
Study the photo below which should help in finding the bolts.
The top bolt (#1, kind of within a channel) is almost directly above the oil pressure sensor.
You'll have to remove the heat shield which attaches to the housing to get to this one
From the bottom, especially if you have the axle out, you should see one of the two bottom bolts (#2, lower corner).
The second of the two bottom bolts (#3, the longest of the three) sits in a crevice just under the oil filter cap and behind the cooler.
The top bolt (#1, kind of within a channel) is almost directly above the oil pressure sensor.
You'll have to remove the heat shield which attaches to the housing to get to this one
From the bottom, especially if you have the axle out, you should see one of the two bottom bolts (#2, lower corner).
The second of the two bottom bolts (#3, the longest of the three) sits in a crevice just under the oil filter cap and behind the cooler.
thank you sooo much! Bolts 1 &2 I got out, I didn't even think to look right there for the 3rd bolt 🤣
#19
#20
Good luck getting everything back together, though. Took me the better part of an hour just to get one bolt started.
#21
It's a bit of a pain to get at. Following ModMini's advice, I used 3x 9" extensions and went after it from behind the subframe. That was enough to get that bolt loose.
Good luck getting everything back together, though. Took me the better part of an hour just to get one bolt started.
Good luck getting everything back together, though. Took me the better part of an hour just to get one bolt started.
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