$3 Exhaust Bellows tool , Mercruiser ( bellow )

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fishrdan

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Jan 25, 2008
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Here's a $3 exhaust bellows tool I made for my Mercruiser #1 drive, worked pretty nice, though I'm sure the $40 tool would have been easier to use.

Parts needed:
2- 8" long 5/16" carriage bolts (smooth on the last 2-3")
4- 5/16 nuts
1- 2 3/8" piece of hard plastic tubing (I used 1/2" PEX)
4- heavy rubber bands
1- long thin screw driver
- leather gloves (needed for operation)

Picture of tool
View attachment 223712

Bellows locked into position and ready to tighten clamp.
View attachment 223713


Notes;
- The backside holes (holes facing out) in the plastic tubing were oblonged inward, so the bolt heads can move outward and push or grab the bellows.
- You need to wear a leather glove while pulling on this tool as the threads will tear up your hand.
- You need to adjust the nuts to pull the bellows up onto the bell housing, and then again to hold the bellows into position. (at least I did)
- While adjusting the nuts to hold the bellows into position, have the plastic tube inside the exhaust opening and level with the bell housing surface, wrap the ends of the bolts tightly with 3-4 rubber bands, put on leather glove and pull on the bolts, insert the screwdriver through the plastic tube and release tool, tilt bellhousing up and tighten clamp.
 
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NoahGenda

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Mar 7, 2010
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Re: $3 Exhaust Bellows tool , Mercruiser ( bellow )

I HAVE TO SAY YOU ARE A GENIUS AND A LIFESAVER! Your tool saved me the other day. I was told by a relative that you could pull the exhaust bellows with no problem. WRONG! I had everything done on the bell housing except to connect the exhaust bellows. After 2 failed attempts I realized that I was going to have to purchase an expensive tool, for the job, and buy a bellows expander ($45-60 (highway robbery)and waiting several days. I stumbled on you 3 dollar tool( which is the perfect tool for the job) . I went up to the hardware store and spent just about that. I had some 3/4 PVC and it worked but realized that you were right about the 1/2 inch. It was quick and worked Great and now my motor is back together running fine. THANK YOU VERY MUCH.
 

indy440

Chief Petty Officer
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Jul 15, 2009
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Re: $3 Exhaust Bellows tool , Mercruiser ( bellow )

awesome
 

ddclapp

Cadet
Joined
Jun 8, 2010
Messages
28
Re: $3 Exhaust Bellows tool , Mercruiser ( bellow )

This is great! How do you put this message in the "Adult" area, so that next time my bellows need replacing I can find these instructions?

Great job!
 

Mike_Maranto

Seaman Apprentice
Joined
Apr 13, 2006
Messages
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Re: $3 Exhaust Bellows tool , Mercruiser ( bellow )

Fishrdan, that is some slick tool that you made and THANKS for sharing.
 
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