bravo gimbal bolt stripped - need advise
#11
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RP thanks for the torque. I thought through other board posts that the torque was 50 ft-lbs like other outdrive bolts. glad you clarrified. A coworker had another idea to reinforce the bolt. "Drill and tap a smaller bolt into the end of the pivot bolt, attach this small bolt with a fender washer backing up the inside of the outdrive casting, then the pivot bolt will never walk out on it's own." that's a last resort if I cant get this thing to stick.
I've got the red locktite, and even a new bearing/bushing as i did sctatch the other one a little trying to allign the hole for the last bolt installation..
so.........
Do I need to take the oudrive off with the 6 bolts first, or can I get to the bellows and shifter cables etc. by just removing the remaining pivot bolt and trim cylinder attachments and pulling the whole assembly. last thing I want is this thing falling on my big toe and breaking a shifter cable or something stupid on theway down.
I've got the red locktite, and even a new bearing/bushing as i did sctatch the other one a little trying to allign the hole for the last bolt installation..
so.........
Do I need to take the oudrive off with the 6 bolts first, or can I get to the bellows and shifter cables etc. by just removing the remaining pivot bolt and trim cylinder attachments and pulling the whole assembly. last thing I want is this thing falling on my big toe and breaking a shifter cable or something stupid on theway down.
Last edited by Rambunctious; 06-05-2002 at 08:16 AM.
#13
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Make sure you have a stainless helicoil and you will be fine. I did the same thing on my old boat about 4 years ago and helicoiled it and it is still working great. I actually removed the drive first then removed the bell housing and took it to my machine shop just to make sure it was 100% centered. Pretty easy but those bellows can have you swearing when you are putting it back together! And helicoils are very strong. I was told by a very knowledgeable mechanic that a helicoil is actually stronger!!!
#14
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thanks blackhawk
waterfoul is goin gto help me take the outdrive off, he's done it before but i like to know what the steps are before i start.
can I take outdrive off at the pivot bolt in question, or do I need to take the outer part off ( the 6 bolt) to get at the bellow, etc in order to remove the (gimbal inner?) to take away and get drilled?
I have our local prototype shop ready to drill for me. hope to remve tonight
any seals that need to be replaced. I'm so nervous after reading all the leak stories on the board. everything is original right now with only 300 hrs and not a drop of water in the outdrives when i changed their fluids 2 weeks ago. call me anal I guess.
details, I need details
thanks for the help
waterfoul is goin gto help me take the outdrive off, he's done it before but i like to know what the steps are before i start.
can I take outdrive off at the pivot bolt in question, or do I need to take the outer part off ( the 6 bolt) to get at the bellow, etc in order to remove the (gimbal inner?) to take away and get drilled?
I have our local prototype shop ready to drill for me. hope to remve tonight
any seals that need to be replaced. I'm so nervous after reading all the leak stories on the board. everything is original right now with only 300 hrs and not a drop of water in the outdrives when i changed their fluids 2 weeks ago. call me anal I guess.
details, I need details
thanks for the help
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Originally posted by Rambunctious
thanks blackhawk
can I take outdrive off at the pivot bolt in question, or do I need to take the outer part off ( the 6 bolt) to get at the bellow, etc in order to remove the (gimbal inner?) to take away and get drilled?
any seals that need to be replaced. I'm so nervous after reading all the leak stories on the board. everything is original right now with only 300 hrs and not a drop of water in the outdrives when i changed their fluids 2 weeks ago. call me anal I guess.
details, I need details
thanks for the help
thanks blackhawk
can I take outdrive off at the pivot bolt in question, or do I need to take the outer part off ( the 6 bolt) to get at the bellow, etc in order to remove the (gimbal inner?) to take away and get drilled?
any seals that need to be replaced. I'm so nervous after reading all the leak stories on the board. everything is original right now with only 300 hrs and not a drop of water in the outdrives when i changed their fluids 2 weeks ago. call me anal I guess.
details, I need details
thanks for the help
You have to remove the drive unit with the six bolts. (also the trim cylinder retaining nuts too) This other than the bulk is very easy. You could not remove the bell housing without doing this. The shift cable, the driveshaft bellows, the lubrication tube these are all mounted to the bell housing and must be removed prior to the hinge pins.
Seals you may need:
Possibly 3 o-ring seal thease seal the water passage, Oil passage and shifter cable boss. These are visable after removing the drive (6 bolt thing) Two stay on the drive but the oil passage o-ring stays on the bell housing.
You will most likely need a bellows retainer, This is a large aluninum ring that holds in the bellows, It is a press fit you may wreck the old one removing.
You may also need a water line retaining sleve (kind of a nut thing)
There are special tools you need too:
Water line insertion tool
Hinge pin tool (large torx)
Bellows seal driver (nor really needed if you are carefull)
I just went through all this this check out a few links:
http://www.offshoreonly.com/forum/sh...0&pagenumber=2
http://www.offshoreonly.com/forum/sh...threadid=23543
I am almost positive on the 145Lbs torque on the hinge pins. My service manual is in my car and I will check for sure when my wife comes home with the car.
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One more note depending on the year the oil supply tube is either removed from a quick disconnect (newer) just under the water hose on the transome assembly behind the engine. Or on older models you remove the hinge pins first and reach behind an unclip the tube right at the bellhousing connection. It is a barbed fitting with a quick snap clamp.
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Definatly 145 Ft Lbs on the pins. Here is a picture that may help. If I were you I would call Marc at BAM give him your drive serial number and have him compile a list of seals washers and such. NOTE your shif cable will look different than this (this was from a stern jack)
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#18
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Well, thanks to Waterfoul it is fixed.
We did it last night in 2.5 hrs.
We did not replace any seals, we put a little silicone on the water and oil seals o rings.
We made a drill guide out of a solid delron cylinder.
After removing the outdrive I released the clamp in the drive bellows at the transom. and removed the nut from the shifter cable holdown. this allowed the gimbal housing to be pulled back easily about 3 " to access the bolt hole/threads. We used the delron guide to drill squarely. then I tapped it by hand using a little gun oil (since I forget the tap oil from work) Tap centered well after a couple finessed attempts. We turned in the Helicoil with red locktite, and then after assembly, turned in the bolt with locktite too. I had a large allen wrench and with my calibrated elbow, attempted 100-150 ft-lbs of torque.
I feel good about the fix except I will watch the water in the outdrive oil and maybe remove the drive bellows clamp later in the season and check for water in thier as well. I keep the boat at homeout of the water.
We also lubed the drive shaft u joints. they moved very freely but had just a touch of surface rust on them???????? 88 boat? I think then looked ok. and moved very freely with no chuck
a couple things we learned
1) if you put a piece of metal flashing betwen the housing and the bellows, you can drill and tap safely without cutting into the bellows, - worked good
2) two men and a truck pulling hard enough will eventually tear the speedo tube and the drive COMES RIGHT OFF AT THAT POINT
I JUST FIXED AND HAD OPERATING MY SPEEDO FOR THE FIRST TIME LAST WEEK!! now I need a new hose, oh well
3) Working on my boat in my new dry, well lit, warm pole barn with a good friend, some music cranking, and a couple beers brought out by my lovely wife was actually fun. If broken boats is all that troubles me in life. I think I have it pretty good
thanks Mike (waterfoul) for all your help. and others for all the advise.
now as long as it doesn't leek
We did it last night in 2.5 hrs.
We did not replace any seals, we put a little silicone on the water and oil seals o rings.
We made a drill guide out of a solid delron cylinder.
After removing the outdrive I released the clamp in the drive bellows at the transom. and removed the nut from the shifter cable holdown. this allowed the gimbal housing to be pulled back easily about 3 " to access the bolt hole/threads. We used the delron guide to drill squarely. then I tapped it by hand using a little gun oil (since I forget the tap oil from work) Tap centered well after a couple finessed attempts. We turned in the Helicoil with red locktite, and then after assembly, turned in the bolt with locktite too. I had a large allen wrench and with my calibrated elbow, attempted 100-150 ft-lbs of torque.
I feel good about the fix except I will watch the water in the outdrive oil and maybe remove the drive bellows clamp later in the season and check for water in thier as well. I keep the boat at homeout of the water.
We also lubed the drive shaft u joints. they moved very freely but had just a touch of surface rust on them???????? 88 boat? I think then looked ok. and moved very freely with no chuck
a couple things we learned
1) if you put a piece of metal flashing betwen the housing and the bellows, you can drill and tap safely without cutting into the bellows, - worked good
2) two men and a truck pulling hard enough will eventually tear the speedo tube and the drive COMES RIGHT OFF AT THAT POINT
I JUST FIXED AND HAD OPERATING MY SPEEDO FOR THE FIRST TIME LAST WEEK!! now I need a new hose, oh well
3) Working on my boat in my new dry, well lit, warm pole barn with a good friend, some music cranking, and a couple beers brought out by my lovely wife was actually fun. If broken boats is all that troubles me in life. I think I have it pretty good
thanks Mike (waterfoul) for all your help. and others for all the advise.
now as long as it doesn't leek
Last edited by Rambunctious; 06-06-2002 at 07:25 AM.
#19
Good job, Thanks for the update and the thread. I pulled all my pins last night and re-locktited them with red since I had foolishy used blue when I put them together. My 89 book said 90-100 ft/lbs but at that point its the same thing. Wait till you see what the speedometer hose costs. I did the same thing and ended up just pluggin it. Boat goes faster that way anyway.
#20
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I have twins, so all I really need to do is find that stinkin hose from the other drive on the inside of the transom and switch the interior speed'o hose to it, ( and plug the other one)
It was great for a week actually having my speedo not say 22 mph and having new passengers constantly say " are we only going 22mph it seems so much faster???"
meanwhile i'm thinking............NO!!!! I SPENT $$$$ ON THIS BOAT AND $$ ON FUEL TO IMPRESS YOU AND IF YOU COULD READ MY GPS IT SAYS 64.99 MPH NOT 22!!!!!!
the speedo was actually "happy" so now I gotta get the other one working.
It was great for a week actually having my speedo not say 22 mph and having new passengers constantly say " are we only going 22mph it seems so much faster???"
meanwhile i'm thinking............NO!!!! I SPENT $$$$ ON THIS BOAT AND $$ ON FUEL TO IMPRESS YOU AND IF YOU COULD READ MY GPS IT SAYS 64.99 MPH NOT 22!!!!!!
the speedo was actually "happy" so now I gotta get the other one working.