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  Topic Review (Newest First)
06-05-2007 08:43 PM
SVDistantStar Yea ive know of this issue for awile when i found it with the lower unit seals on an outboard of mine. Ive been useing Sea Foam Deep Creep now. Havent had any issues.
06-05-2007 07:30 PM
sailingdog Yup... it is a very aggressive solvent... even says so on the label IIRC. I hope you didn't try to run the tranny before you discovered the dead seals.
06-05-2007 07:25 PM
Maine Sail
PB Blaster/Penetrating Oil WARNING !!

Hi All,

I thought I sould let you all know that I discovered, the expensive way, that you should never use PB Blaster near ANY engine or transmission seals.

I needed to remove my shaft coupling so I sprayed the four bolts with PB Blaster, thinking nothing of it, and let is sit over night. Evidently some of it dripped onto my transmission output seal and when I went to the boat the next day the majority of my transmission fluid was in the pan and not the transmission.

My transmission is a 2003 ZF v-drive and had never, ever leaked a drop. After speaking with a few mechanics about this they know the problem well. PB Blaster can eat engine seals, transmission seals and plastic cups! Keep this stuff far away from any output shafts, engine seals or seals you don't wan't leaking.

PB Blaster is great stuff but also very dangerous to the tune of $800.00 on my transmission seals. Use it with caution and for it's intended purpose only!

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