Need Suggestions for stubborn 5.0GL/SX outdrive

joeymarin

Cadet
Joined
Jul 26, 2011
Messages
18
Hello All,

I wrote a while back about a Glastron 205GT with an overheated/vapor-locked VP 5.0GL motor that has sat for three years. I decided to buy it and am in the process of trying to bring it back to life.

I spent the past weekend trying to remove the motor with very little success. Initially I disassembled the motor mounts and tried to slide the motor out 6 inches; it did not want to slide out. I followed the Engine Remove/Install workshop manual**, hooked up the motor to an overhead chain hoist that I built, and a friend of mine and I pulled with all we had and it didn't seem to budge. Caveat: All four screws holding down the front engine mounts sheared off (despite tons of WD-40 and patience) and left 1/8" of the shank left protruding into the engine mounts. I had to lift the motor 1/8" to clear these shanks - maybe this was enough to cause the coupler to bind up and prevent the engine from sliding out? I spent the following day attempting to remove the SX outdrive to enable the motor to be lifted straight out. Again, I followed the workshop manual instructions, including hooking up an eye screw to attempt to support the weight of the outdrive. I was able to get the outdrive backed out approximately 0.5" at which point no amount of pulling and I hate to say some pry-barring would get it to permanently displace. It seems that the weight of the lower drive might be causing the assembly to bind up. It could also be that I lifted the motor too much and bent the coupler - at one point during the attempted motor extraction I lifted the entire assembly 3-4".

In any case, I am stuck and could use some advice on next steps. Here are the two schemes I've cooked up so far.


1:Support the sterndrive with a blocks from below, hook up 3 anchored cables (one to the central lifting eye, above the coupler....two below the coupler on either side of the outdrive housing), and use a come-along to winch the boat forward. I figure this minimizes the angular nature and therefore potential binding of attempting to swing away the outdrive from a fixed point chain-hoist. It has the drawback of loading the primary trailer hook and potentially sliding the boat off of the trailer.Scheme-1_outdrive-removal.jpgpartially-removed_outdrive.jpg

2.Reassemble the outdrive nuts, dremel/cut off the remaining 1.8" shanks that protrude into the motor mount and attempt to slide out the motor.


Thoughts/feedback/suggestions greatly appreciated.

Thanks,

Joe
 

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: Need Suggestions for stubborn 5.0GL/SX outdrive

The splined shaft coming out of the outdrive is probably froze into the coupler from corrosion and lack of maintenance.

Have seen it happen before, and had to cut the shaft just behind the coupler.
 

joeymarin

Cadet
Joined
Jul 26, 2011
Messages
18
Re: Need Suggestions for stubborn 5.0GL/SX outdrive

Thanks for the reply, Don.

I can't say I'm thrilled with the possibility of having to cut off the coupler. There is plenty of evidence to support that possibility though. Alot of corroded white powder coming out of the sterndrive when I was able to separate it slightly. Getting to the rear engine mounts was such a pain, I can't imagine reasonably getting back there with a power tool. How would you suggest going about it? What cutting tool would be best?
 

joeymarin

Cadet
Joined
Jul 26, 2011
Messages
18
Re: Need Suggestions for stubborn 5.0GL/SX outdrive

Don,

Went with your suggestion, and it worked. Thanks for your help.

For other people's reference, a sawzall + 2ea. 10" heavy-metal-specific blades +30m operating the saw in a very awkward position = success.

I did actually try the winching concept listed above, and even with close to 1ton of in-line pulling force, the shaft did not come loose. Pretty amazing, actually.

engine-out.JPG
 
Top