Major oil leak after oil change

vfr16v · 6th August 2015, 22:26

Hi fellows,

I changed my oil this morning, and the oil filter. Used 6,5 litre.

After a few hundred kilometers says my car that the oil pressure is low. I opened the bonnet and everything, litterally everything is covered with oil. When revving it looks like the oil is squirting underneath the dynamo. Cant see where.

HELP PLEASE... what did i wrong.
Used the right oil, special for BMW diesels.

Thanks

Best_of_British · 6th August 2015, 22:55

I would check the rubber seal on the oil filter housing lid. I have nipped this seal when tightening and had similar problem. If not this check its not pushing up and out of dipstick tube. If not

Dragrad · 6th August 2015, 23:10

Check your PCV filter as well.... (Search the forums for PCV, plenty of threads on this subject)

Alan123 · 7th August 2015, 00:30

As above and make sure you haven't cross threaded oil filter cap

David Lawrence · 7th August 2015, 04:40

Quote:

Originally Posted by Alan123

As above and make sure you haven't cross threaded oil filter cap

I had a wix filter supplied with an o ring that was too big for the groove in the filter cap, so it just rode up to the top of the filter when tightening it up. Lasted a few hundred miles then the o ring blew out and covered everything with oil.

Not to be the pessimist here, but the alternator only lasted a few weeks after that as well due to the soaking it got.

Mike Noc · 7th August 2015, 07:14

Also check that the O ring is fitted in the correct groove, and lubricate with fresh oil when replacing it.

Now for the important bit: After changing the oil clean any spillages around the filter housing and drain plug then run the engine for a few minutes at idle, and check that they remain oil tight.

Arctic · 7th August 2015, 07:28

Quote:

Originally Posted by Mike Noc

Also check that the O ring is fitted in the correct groove, and lubricate with fresh oil when replacing it.

Now for the important bit: After changing the oil clean any spillages around the filter housing and drain plug then run the engine for a few minutes at idle, and check that they remain oil tight.

Top advise from mike above sounds like the O-rings as been replaced in the wrong groove pics below, do not over tighten the oil filter as it will only twist the filter, also now check the that the alternator as not got damaged with oil, as it will soon burn out if it as.

Mike Noc · 7th August 2015, 07:40

Superb photos as ever to make everything clear Steve.

vfr16v · 7th August 2015, 11:26

Thanks guys,

Indeed... it was the b1O0dy O-ring :@... thight it to excactly 25NM as discribed. The O ring looks a bit too big but it's dry for the moment.

The oil warning came when i took a sharp turn. I filled it up with 3,2 litre and now is the oil level back to normal (almost on the max mark on the dipstick).

I'll leaving about two weeks for a journey to Prague, so I hope it will hold.

David Lawrence · 7th August 2015, 11:40

Quote:

Originally Posted by vfr16v

Thanks guys,

Indeed... it was the b1O0dy O-ring :@... thight it to excactly 25NM as discribed. The O ring looks a bit too big but it's dry for the moment.

The oil warning came when i took a sharp turn. I filled it up with 3,2 litre and now is the oil level back to normal (almost on the max mark on the dipstick).

I'll leaving about two weeks for a journey to Prague, so I hope it will hold.

What make of filter did you buy? If it is a WIX it could be about 5mm too big which leaves it floppy in the groove. A genuine MGR one is a firm grip in the groove. If you are going on a long trip my advice would be to buy a genuine filter and swap that o ring to be sure.

After this happened to me i must admit i have been a bit paranoid about it, but for the cost of a filter it seemed safer.

6th August 2015, 22:26	#1
vfr16v Regular poster ZT Join Date: May 2011 Location: Gemert Posts: 98 Thanks: 2 Thanked 6 Times in 6 Posts	Major oil leak after oil change Hi fellows, I changed my oil this morning, and the oil filter. Used 6,5 litre. After a few hundred kilometers says my car that the oil pressure is low. I opened the bonnet and everything, litterally everything is covered with oil. When revving it looks like the oil is squirting underneath the dynamo. Cant see where. HELP PLEASE... what did i wrong. Used the right oil, special for BMW diesels. Thanks

6th August 2015, 23:10	#3
Dragrad This is my second home *None DROWNED** Join Date: Aug 2007 Location: Cardigan Posts: 33,339 Thanks: 1,257 Thanked 1,664 Times in 1,081 Posts	Check your PCV filter as well.... (Search the forums for PCV, plenty of threads on this subject) __________________ Andrew Ich Dien Problem solving is... lateral thinking SEARCH FIRST ...ASK LATER...

6th August 2015, 22:55	#2
Best_of_British Gets stuck in Rover 75 Tourer & Arden Green Project Join Date: Jul 2012 Location: Ormskirk Posts: 932 Thanks: 159 Thanked 200 Times in 155 Posts	I would check the rubber seal on the oil filter housing lid. I have nipped this seal when tightening and had similar problem. If not this check its not pushing up and out of dipstick tube. If not

7th August 2015, 00:30	#4
Alan123 Posted a thing or two Rover 75 saloon Join Date: Oct 2013 Location: Darlaston Posts: 1,897 Thanks: 484 Thanked 325 Times in 261 Posts	As above and make sure you haven't cross threaded oil filter cap

7th August 2015, 07:14	#6
Mike Noc This is my second home Rover 75 CDT Manual Connoisseur SE, Rover 75 CDT Automatic Connoisseur SE & a Freelander Td4. Join Date: Jul 2009 Location: Hampshire Posts: 11,573 Thanks: 3,470 Thanked 3,119 Times in 2,247 Posts	Also check that the O ring is fitted in the correct groove, and lubricate with fresh oil when replacing it. Now for the important bit: After changing the oil clean any spillages around the filter housing and drain plug then run the engine for a few minutes at idle, and check that they remain oil tight.

7th August 2015, 07:40	#8
Mike Noc This is my second home Rover 75 CDT Manual Connoisseur SE, Rover 75 CDT Automatic Connoisseur SE & a Freelander Td4. Join Date: Jul 2009 Location: Hampshire Posts: 11,573 Thanks: 3,470 Thanked 3,119 Times in 2,247 Posts	Superb photos as ever to make everything clear Steve.

7th August 2015, 11:26	#9
vfr16v Regular poster ZT Join Date: May 2011 Location: Gemert Posts: 98 Thanks: 2 Thanked 6 Times in 6 Posts	Thanks guys, Indeed... it was the b1O0dy O-ring :@... thight it to excactly 25NM as discribed. The O ring looks a bit too big but it's dry for the moment. The oil warning came when i took a sharp turn. I filled it up with 3,2 litre and now is the oil level back to normal (almost on the max mark on the dipstick). I'll leaving about two weeks for a journey to Prague, so I hope it will hold.