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87 Centurion Trasmission

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=41781
Printed Date: November-16-2024 at 2:01am


Topic: 87 Centurion Trasmission
Posted By: wardameagle1
Subject: 87 Centurion Trasmission
Date Posted: August-20-2017 at 2:59pm
Having transmission trouble. I just bought this ole boat. It has a 351 engine and a velvet drive transmission. The oil cooler went out and it filled the transmission up with water. I think it ruined it. I flushed it with diesel and new fluid.   But it's still squeling and now the shifter won't go into gear. Help please. Lol



Replies:
Posted By: KENO
Date Posted: August-20-2017 at 4:55pm
Do you mean the shifter handle up by the driver's seat won't put it in gear?

If that's the case unhook the linkage at the transmission and try to shift from back there and see what happens.

I never heard of anybody doing a diesel fluid flush on a transmission before, hopefully you just have regular transmission fluid and no diesel fuel in it now.

How long did you run it with water in the fluid? If it filled it up that's a lot of water and maybe you ruined a bearing or 2 or 3.

With the engine OFF and in neutral how does the shaft turn by hand? Easily or does it squeal and groan and turn hard?.



Posted By: Gary S
Date Posted: August-20-2017 at 5:25pm
And I'm wondering Ken if he's running it on the trailer and it's the cutlass squealing? If it was on the trailer I'd wet it down,if tried in the water I'd disconnect the shaft.

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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport


Posted By: KENO
Date Posted: August-20-2017 at 5:29pm
I was wondering that too but figured I asked enough questions for one post.

I always thought of that as a growl or groan,with a dry cutlass bearing but who knows


Posted By: wardameagle1
Date Posted: August-20-2017 at 5:45pm
I was in the water yesterday. I had got all the water out of it last week. And put new transmission fluid in it. It wouldn't go into gear and was still squeeling.


Posted By: wardameagle1
Date Posted: August-20-2017 at 5:48pm
Last weekend it was Running perfect when it just quit pulling and started squeeling. That's when I figured out the oil cooler was bad


Posted By: Duane in Indy
Date Posted: August-20-2017 at 5:59pm
Time for a tear down and autopsy   Sounds like the clutches have fried.   Reverse the same problem also??
What level of mechanical ability are you?? Or do you have a friend/mechanic that could help you. Several of us have performed a rebuild successfully.   

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Keep it as original as YOU want it
        1978 Mustang (modified)


Posted By: wardameagle1
Date Posted: August-20-2017 at 6:28pm
I'm a mechanic. Also I checked it a while ago. Yes the shaft spins fairly easy. I can hear the transmission ratcheting like a bearing went out. Also checked my shifter. It will only go fwd so I guess it's broke now. Geez.


Posted By: KENO
Date Posted: August-20-2017 at 7:12pm
You're a mechanic, tear into that thing, you've got nothing to lose

A manual is in the reference section and parts are easy to find.



Posted By: GottaSki
Date Posted: August-21-2017 at 1:39pm
Thats a bummer

Now the shifter is just a spool valve, nothing mechanical.

You can try to take it out and inspect the passages and orings just as easily if on the bench.
Consider free it it up sooner then later, having seen water

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"There is nothing, absolutely nothing, half so much worthwhile as messing around with boats...simply messing."

River Rat to Mole


Posted By: tryathlete
Date Posted: August-21-2017 at 2:11pm
If you're in a hurry, just buy the rebuild kit and go all the way through it--bearings, seals, friction material, or if you want to take a few more days and take a risk on someone else's opinion of what a rebuild is-- ( best to do your own work if you can--like anyone here who has done this or rebuilt their stringers-- 😷)


   [http://m.ebay.com/itm/Velvet-Drive-Transmission-Let-us-rebuild-yours-495-parts-and-shipping-/162561641949?_trkparms=aid%253D222007%2526algo%253DSIM.MBE%2526ao%253D1%2526asc%253D20150519202348%2526meid%253D18532d8e1ae64df5959a4af8aadbe176%2526pid%253D100408%2526rk%253D1%2526rkt%253D25%2526sd%253D152594876165&_trksid=p2056116.c100408.m2460]


Posted By: tryathlete
Date Posted: August-21-2017 at 2:13pm
http://m.ebay.com/itm/Velvet-Drive-Transmission-Let-us-rebuild-yours-495-parts-and-shipping-/162561641949?_trkparms=aid%253D222007%2526algo%253DSIM.MBE%2526ao%253D1%2526asc%253D20150519202348%2526meid%253D18532d8e1ae64df5959a4af8aadbe176%2526pid%253D100408%2526rk%253D1%2526rkt%253D25%2526sd%253D152594876165&_trksid=p2056116.c100408.m2460" rel="nofollow - "Rebuilt" transmission


Posted By: wardameagle1
Date Posted: August-22-2017 at 9:55am
That's what I think im gone do. Where do yall recommend getting a rebuild kit from


Posted By: Duane in Indy
Date Posted: August-22-2017 at 11:47am
Originally posted by wardameagle1 wardameagle1 wrote:

That's what I think im gone do. Where do yall recommend getting a rebuild kit from


I bought my kit (stage 2) from     WORLDWIDEPARTSOUTLET off of e-bay. Order a new damper flex plate while you are at it.
I highly recommend NOT using the front pump seal "ALTO #023420" that comes in the kit. It is entirely encased in neoprene type coating and will not stay in the bore as well as a steel encased seal.   Replacement is easy to come by. Just get same ID and OD and thickness as the Alto. Master Craft site has a good rebuild pictorial you can view. Also recommend getting a rebuild manual. Special tool set for the Velvet is handy but not a have to have set to rebuild.

-------------
Keep it as original as YOU want it
        1978 Mustang (modified)


Posted By: wardameagle1
Date Posted: August-22-2017 at 11:56am
Tenfo. Thanks for the advice.


Posted By: Timr71
Date Posted: August-23-2017 at 12:19am
Here's that rebuild thread from over on TeamTalk:

https://www.mastercraft.com/teamtalk/showthread.php?t=53874" rel="nofollow - https://www.mastercraft.com/teamtalk/showthread.php?t=53874



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