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Auto rebuilding, melb 

 

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Posted: Fri Jun 08, 2007 7:19 pm 
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yeah pics would be cool....as my trans is slowly acting up and id like to have a tinker with it when its out

 

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Posted: Sat Jun 09, 2007 10:54 pm 
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Yeah pics please. Might get mine apart myself and see why its acting up. trans guys cant seem to fix it and not alot of trust in any mechanics. feel safer when i do things like that myself

 

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Posted: Sun Jun 10, 2007 12:41 am 
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joshannon what is the matter with your auto
that they cant seem to fix
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 Post subject: 4 speed automatic Transmission BTR 85LE 91LE 95LE 97LE
Posted: Wed Sep 10, 2008 11:46 am 
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Kenay wrote:
ba and el's have very different internals they may only be .5 diferent but thats enough to fuk somthin.. curious how did the drum look i did a btr tday it was black also the drum was fuked wat did urs look like?


Hi Kenay , with a worn drum surface , do you guys machine the surface ? or replace them with a new drum ? or replace it with a good second-hand serviceable drum ?

If the drum is machine able what is the maximum material that one can remove to restore the surface of the drum ?

Kenay in your professional opinion what are the best front/rear bands available on the market ?

Also what C! , C2 , C3 and C4 clutches and frictions are the best available on the market ?


cheers

 

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Posted: Mon Sep 15, 2008 6:11 pm 
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Had a few hours up my sleeve , so I machined a BTr4 front band clutch hub on my cylindrical grinder.

The hub measured originally 144.85mm( 5.705 in ) and to restore the surface perfectly I had to remove 0.7mm( 0.030 th in ) so the new surface outer diameter measures 144.150mm( 5.675 in )

Seems all the genuine Ford components required to overhaul a BTr4 are extremely expensive , talking to a transmission specialist he believes the original Ford front/rear bands are the best units on the market.

He also said most automatic transmission workshops use Ray Bestos Products in the overhauling of the autos.

Ray Bestos manufacture friction material for most auto applications in the world.

Carbon ( KEVLAR ) Fiber front/rear bands ? New steel drum ? KEVLAR heavy duty clutchers ?

will post a few pictures of the machining process and before and after surface finish

cheers

 

 

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Last edited by FPV_GTp on Mon Sep 15, 2008 11:28 pm, edited 1 time in total.

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Posted: Mon Sep 15, 2008 11:10 pm 
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JCaSs wrote:
you need a special tool to line the oil pump up on the 85LE trans (ea-ed i think??) if it isnt lined up prepperly u can break quite a bit of stuff. the 91LE's and later all are held in position so no need for a tool.


You must use the pump alignment tool on 91LE's as well as 93's 95's etc.
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Posted: Tue Sep 16, 2008 12:01 am 
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psupernak wrote:
preston autos and diffs, get the valve body done to stage two specs while your at it, cost around 1600


So at Preston what exactly would i get done for 1600? I need my auto fully Rebuilt. Whats that about stage 2??

 

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Posted: Sat Sep 20, 2008 11:58 am 
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luthor wrote:
JCaSs wrote:
you need a special tool to line the oil pump up on the 85LE trans (ea-ed i think??) if it isnt lined up prepperly u can break quite a bit of stuff. the 91LE's and later all are held in position so no need for a tool.


You must use the pump alignment tool on 91LE's as well as 93's 95's etc.


OK there are a few special tools (about 12) that one requires to pull apart and assemble a BTr4 automatic transmission. They will make life a lot easier in the process

For assembling the front pump of the transmission a pump aligner BTR 0555-331896 tool is required to align the pump as the pumps have no dowel locating pins to make life easy. So to correctly align the two halves of the pump this pump aligner is required.

I borrowed one from a friendly transmission place and will make one up.

It measures approx 100mm long , outside diameter is 45.97 +/- .02mm and inside diameter 36.02 +/- 0.02mm

The tool that inserts into the bodies of the pump halves is approximately 50mm long and the other 50mm length is knurled handle for grip as to rotate it as you tightening up the pump bolts and pull it out. To assist in grip while you hands are oily and very slippery.

Here are a few pictures of the pump aligner tool.

On the later model transmission this tool is not required as the pump have been doweled.

cheers

 

 

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Last edited by FPV_GTp on Sat Sep 20, 2008 6:32 pm, edited 1 time in total.

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Posted: Sat Sep 20, 2008 3:10 pm 
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On later transmissions you still need the aligner
as it isnt dowelled at all
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Posted: Sat Sep 20, 2008 6:45 pm 
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OK , thanks for that information since that is your line of work puts some clarity on the topic

The transmission specialist today said the tool is not required on the later model BTr4's to align the pump , as I asked him if it was required for later model BTr4's

This is my first late model BTr4 I'm pulling apart. Pulling apart a late model transmission and will pull apart the pump and actually see how their put together Monday.

Run out of time at work today.

cheers

 

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 Post subject: Ford Part No: 94 DA 70000 BB
Posted: Mon Sep 22, 2008 1:44 pm 
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Ok , finally pulled apart the whole transmission BTr4 which has a Ford sticker on it as the ID tag , reading of the ID tag " Ford Part No: 94 DA 70000 BB " there are more numbers . This transmission supposedly come out of a falcon EB2. The year of manufacture is 94 DA so very possible. So this transmission is really not a late model unit as would suggest.

This transmission doesn't have a dipstick tube whole but on the rear of the main case has a inspection bolt that one checks fluid levels and fills the transmission also from this whole.

There is no front and rear external band adjustments like on some of the other BTR4's transmissions.

Pulled the pump assembly apart , maybe my choice of words that I used were not clear in one of my posts" Posted: Sat Sep 20, 2008 10:58 am " but from what i can see on this BTr4 the pump doesn't need the pump aligner BTR 0555-331896 tool to assemble the two half's together. Also I was going on words from a transmission specialist, building transmission for well over 30 years of transmission industry experience. Also I would like to thank that person for loaning me the pump aligner BTR 0555-331896 tool to copy making one..

The pump case cover has a female shoulder ( dowel ) the full outer circumference that is 5.472 in ( 138.93 mm ) and a height of 0.0985 in ( 2.51mm ) step. and the pump has mirror image measurements that are a tight fitting so alignment is spot on.

There is a o-ring seal that has a compression fit height there also , the pump has a male end that its height measured 0.110 in ( 2.79 mm ) enabling the pump to be sealed.

I inserted the pump aligner BTR 0555-331896 tool and sure enough it is spot on. On this BTr4 transmission the tool is not required. This pump is self aligning with one big dowel arrangement.

I acquired this transmission from a fordmods.com member and thanks for the donation of the transmission. Still need a few more BTr4 transmission , maybe someone has a stuffed up AU or BA V8 or 6 cylinder they have replace with a second hand unit and have the old unit they are willing to donate to science drop me a PM.

Here are a few pictures maybe they might be clearer to understand.

They say a picture is worth a thousand words

 

 

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Pump_housing_3.JPG
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Last edited by FPV_GTp on Mon Sep 22, 2008 3:14 pm, edited 1 time in total.

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Posted: Mon Sep 22, 2008 2:59 pm 
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you may of aligned it body wise but does the pump gear still turn
freely as if you are slightly of line the gear will be jammed.As the pump bolts holding the halves together arent normally a exact fit so there is some movement betwwen bolt hole and its actual correct locating piont

We use a tool that has two notches at its tip to make sure that the pump gear is central in the pump housing

the transmission you have is out of a late EF or a EL as they were the first to get the no dipstick feature and internal band adjustments

early EFs still had a dipstick tube fitted to them.

also with that pump you have in your hand
you have to take into account that there is 4 bushes fitted to that pump that may be worn excessively

ie pump bush,convertor bush, stator bush and from memory i think the rear for the alloy stator acts like a bush also

im not denying you got it together straight but just check that the pump gear turns freely with a small screwdriver or similar tool
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Posted: Mon Sep 22, 2008 11:17 pm 
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As Brett has noted the proper Ford tool (P/No E1536) has 2 driving lugs that engage in the gear so that you can feel it is actually rotating feely.
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Posted: Tue Sep 23, 2008 9:31 am 
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OK guys , fair call , but in this transmission scenario, the pump halves are centred i.e. no play what so ever , so the pump must be correctly aligned without the use of pump aligner BTR 0555-331896 tool.

If one feels the necessity to fit the pump aligner BTR 0555-331896 tool and the Ford tool (P/No E1536) that is OK also

the pump body houses the two main pump gears which have a clearance built in the pump housing. If the two halves are correctly aligned then the gears will not bind and as in this case the the two halves have a machined register ( dowel locating ) to correctly join the two halves together without the tool. Maybe on the earlier BTr4 this is a necessity but on this transmission it is not required.

I have also parted of a stall convertor neck that engages into the pump inner drive gear , these pump gears spin freely without any binding affect.

The " proper Ford tool (P/No E1536) has 2 driving lugs " are a direct replicate of the stall convertor neck that engages the pump inner gear that has two slots in the inner gear, provisions to be engaged via the convertor and be driven.

The front pump bush ( bearing ) condition whether good or bad in this pumps alignment doesn't influence the centring of the two halves. In the earlier BTr's it is critical that the bush be in serviceable condition as the pump aligner BTR 0555-331896 tool outer diameter uses the bush as a reference register point and the inner diameter uses the other halve of the pump case shaft as the second reference register point to correctly align the pump halves.

The front pump bush has to be in specification as the convertor uses this to centralize and support it as it engages into the pump inner gear.

But for all purposes of aligning the two pump halves bodies in the pump that I have pictures in this thread the bush ( bearing ) conditions is not critical at all cause the pump has a built in ( machined dowel points for alignment ) other than its intended use.


cheers

 

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 Post subject: Re: Auto rebuilding, melb
Posted: Tue Jan 29, 2013 9:26 pm 
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Location: Mansfield
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Hello FPV_GTp

Thankyou for posting that Detailed information of your BTR Box.

I have lost Reverse in my AU Series ll.

I picked up a FORD Part No. 94 DA 7000 BB Transmission at the scrap yard today.

I am in the process is disassembling it at the moment, so you information is heaven sent.

I have posted about a week ago about my experience and transmission under gearboxes etc Workshop.

I.ve done the odd transmission or two, but never had to do a BTR.


Kind Regards

meanu
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