Gear lube in Bellow??? water in outdrive??? 120 mercruiser

[stillstrokin10$$]

I decided to change my gimbal bearing because it was starting to growl on hard turns. When i pulled the Outdrive about 1 cup of water spilled out from in between the bell housing and outdrive. Is there a seal on the water pump that may be bad or could it be that my bellow ( not the exhaust bellow but the bigger one) may not be properly tightened . I just replaced it last year and my gear lube doesnt seem to have any water in it when i checked by letting a little drip out of the plug on the bottom of the drive. what could it be?


Now here comes the part of gear lube in my u-joint bellow . there is a nice big puddle of it sitting in the bellow. How is this possible ? lol

It is an 81 120 mercruiser.. Any replies would help .thanks

 

[JustJason]

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

You need a bellows job and the drive pressure tested.
The drive more than likely needs an upper seal set + a yoke if it's been leaking for a while.

 

[stillstrokin10$$]

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

I did the bellows last season, but will take them off and re-seal them with marine bellow adheasive. where can I have a pressure test done and how is it done. Thanks for your quik reply

 

[familyguy]

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

Biggest reason for water in your u-joint bellow is the bellow itself is no good. If you definitely have gear lube in your bellow (it may be u joint/gimbal bearing/spline grease mixed with water) then you need to have your pinion bearing carrier checked/resealed. Probably need to have your outdrive pressure tested to make sure it's sealed tight.

 

[familyguy]

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

For pressure testing, your local marine service center could do it, or you can build a pressure tester yourself by checking out the ADULT'S ONLY sticky at the top of the list of forum questions, then scroll down. A lot of good info. on that sticky. It's best tested with it drained of oil. This allows the added benefit of better checking the condition of the oil beyond what a little drop will show. Good luck.

 

[stillstrokin10$$]

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

I will take it to the marine store tomorrow and have it tested. Thanks for your input. It is greatly appreciated.

 

[cr2k]

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

Re: Gear lube in Bellow??? water in outdrive??? WTF 120 mercruiser

Pressure AND Vacuum tested. Some seals seal the oil in and some seal the water out.