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Boy G
Expert
Date registered: Feb 2007
Location: Bushveld, South Africa
Vehicle(s): Diesel G's: 617A and 602
Posts: 1683
| Transmission oil pan leak
I cant stop an oil leak from the auto tranny pan. I have just fitted a new gasket and carefully paid attention to the recommended torque settings, to no avail. It still leaks. Any suggestions please? |
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Doug Nel
Veteran
Date registered: May 2006
Location: Cape Town, South Africa
Vehicle(s): 1982 280GE 5 door automatic
Posts: 258
| RE: Transmission oil pan leak
Hi Andrew
Had the same issue on my 280 Autobox. Hylomar sorted out my leak. Also just confirm if that is where it is coming from. On Greg's G what appeared to be a sump leak turned out to be 2 leaks. One at the kickdown solenoid and the other at the Dipstick connection into the box. |
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H1LM002G55
Expert
Date registered: Mar 2010
Location: S Florida / Geneva / Jeddah
Vehicle(s): 500 GE, G55, LM002, H1
Posts: 1796
| Re: Transmission oil pan leak
I had an oil pan that had been bumped in the corner and I needed a new pan that I had to order from Austria. It would hold fluid with no issue, but, there was still a leak in that corner from it not sealing correctly.
Check that your pan is dimensionally correct. I ordered a new pan and seal and it was convenient as I was able to install the transmission pan magnet as well. See my earlier post about this.
Edited by H1LM002G55 1/30/2015 11:57 AM
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Boy G
Expert
Date registered: Feb 2007
Location: Bushveld, South Africa
Vehicle(s): Diesel G's: 617A and 602
Posts: 1683
| RE: Transmission oil pan leak
Doug Nel - 1/29/2015 4:18 PM
Hi Andrew
Had the same issue on my 280 Autobox. Hylomar sorted out my leak. Also just confirm if that is where it is coming from. On Greg's G what appeared to be a sump leak turned out to be 2 leaks. One at the kickdown solenoid and the other at the Dipstick connection into the box.
I am reasonably sure its the pan that leaks. I am concerned about using a sealer which may gloop out into the works. I do not know Hylomar? |
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H1LM002G55
Expert
Date registered: Mar 2010
Location: S Florida / Geneva / Jeddah
Vehicle(s): 500 GE, G55, LM002, H1
Posts: 1796
| Re: Transmission oil pan leak
Hylomar is used to seal the gasket when installing the CV boots over the center drive shaft CV joints/homokinetic joints. If your pan is leaking just buy a new pan and seal. For my 722.3 it was about $100 USD total a few years back. |
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Boy G
Expert
Date registered: Feb 2007
Location: Bushveld, South Africa
Vehicle(s): Diesel G's: 617A and 602
Posts: 1683
| Re: Transmission oil pan leak
H1LM002G55 - 1/29/2015 7:41 PM
Hylomar is used to seal the gasket when installing the CV boots over the center drive shaft CV joints/homokinetic joints. If your pan is leaking just buy a new pan and seal. For my 722.3 it was about $100 USD total a few years back.
Gotcha. I suspect the pan. |
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H1LM002G55
Expert
Date registered: Mar 2010
Location: S Florida / Geneva / Jeddah
Vehicle(s): 500 GE, G55, LM002, H1
Posts: 1796
| Re: Transmission oil pan leak
After buying a new transmission pan and transmission pan gasket I had zero leaks. I would not use hylomar. But that is me. Buy an OEM pan and OEM transmission pan gasket and be done with it.
Again, do not forget, add a magnet to the pan. Cheap insurance.
Edited by H1LM002G55 1/31/2015 9:23 PM
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Boy G
Expert
Date registered: Feb 2007
Location: Bushveld, South Africa
Vehicle(s): Diesel G's: 617A and 602
Posts: 1683
| Re: Transmission oil pan leak
Thank you. I will report back in due course. |
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