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The mkiv Supra Owners Club

Urgent Help identifying a couple of oil leaks


Ibrar Jabbar

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I have a small oil leak coming from the upper sump or rear main seal, can't really pinpoint it at the moment anybody like to hazard a guess before I start stripping the car down :( again. The oil settles at the bottom of the box circled in red.

 

I also have a leak from the gearbox marked in the pic with a red line. I didn't notice this whilst the old oil was in the box, seems to have appeared since I put in Royal Purple synchromax, any thoughts?

 

Any help appreciated as I need to get this sorted ASAP.

 

http://mkivsupra.net/vbb/attachment.php?attachmentid=153329&d=1339540523

2012-06-12-752sml.jpg

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I have a small oil leak coming from the upper sump or rear main seal, can't really pinpoint it at the moment anybody like to hazard a guess before I start stripping the car down :( again. The oil settles at the bottom of the box circled in red.

 

I also have a leak from the gearbox marked in the pic with a red line. I didn't notice this whilst the old oil was in the box, seems to have appeared since I put in Royal Purple synchromax, any thoughts?

 

Any help appreciated as I need to get this sorted ASAP.

 

http://mkivsupra.net/vbb/attachment.php?attachmentid=153329&d=1339540523

 

The exactly same thing happened to me when I changed the oil inthe gearbox after a clutch change..! I have a very tiny leak just where you have your redline...

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I have the same leaks mate just mine are BAD! mechanic said it was crank seal for me if i remember correctly :( and then also there was a small seal that I had been replaced by the box area which had a leak but yours looks different?

 

and Im now both embarrassed and ashamed at the state of under my car....thanks :ok:

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The exactly same thing happened to me when I changed the oil inthe gearbox after a clutch change..! I have a very tiny leak just where you have your redline...

 

What gear oil did you use as a replacement?

 

If red (assuming its red gearbox fluid) then it's the front gearbox seal. If standard oil colour I would say rear oil seal.

 

 

The front leak is engine oil, but its hard to tell if its the back of the sump or the RMS I am going to get the box off, later today. The rear leak is definately box oil but just wanted to see if anybody else had a simillar problem and what needs doing to rectify.

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I got the box off and checked the rear main seal which still looked OK as I previously inspected this when I fitted the box first time round. The rear main housing looked suspect and had oil residue, so I got it off and found some dodgy silicon which had started to delaminate most possible cause of the leak.

 

I will get a seal ordered of Mr Wilson tomorrow and hopefully the engine oil leak will be sorted, just need to do something about the box next.

 

http://mkivsupra.net/vbb/attachment.php?attachmentid=153395&d=1339619737

2012-06-13-754sml.jpg

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