MCM 170 3.7L Water Pump Seals

FluffyChicken

FluffyChicken

Petty Officer 2nd Class
Joined
Mar 29, 2007
Messages
167
I just took off the whole front end of my 170 down to the cam gears. The seals are deffinatly shot and water was deffinatly getting into my oil pan. The cam is grooved. I was told i can get some speedy sleeves for it. My question is what if I dont get any speedy sleeves and i just put the fresh seals on it. WIll it leak? Or will it work but not as long as if i did the sleeves. Basically are the sleeves 100% necessary?
 
tommays

tommays

Admiral
Joined
Jul 4, 2004
Messages
6,768
Re: MCM 170 3.7L Water Pump Seals

The antifreeze is fatal to the bearings when it gets in the oil AND your allready in there WHY would you NOT do the correct repiar :confused:


Tommays
 
andy1canada

andy1canada

Petty Officer 2nd Class
Joined
Feb 2, 2007
Messages
107
Re: MCM 170 3.7L Water Pump Seals

Howdy MC...

You need to do the Speedy sleeve thing. You might be able to get them at NAPA if you can't find them anywhere else.

Here's a link that'll walk you through the repair job.

http://www.sterndrives.com/470information/470coolantleakrepair.html

Also, if you Google - Breezeworks - there's a great forum there for '470/Merc' owners that'll help you get the most out of your little 4-banger monster.

Good Luck!
 
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