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mtx-75 clutch install how-to(pics)

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cosworth

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Discussion starter · #1 ·
1. get the weekend off
2. have three friends come over
3. have two GOOD jack stands
4. make sure to go over your parts list twice
5. loosen lugnuts
6. jack up car and place jackstands under frame rails
7. take off wheels on both sides
8. take calipers off and zip tie to springs
9. take off tie rod nut, strut bolt, and control arm bolt
10. take entire hub, shaft, im shaft, and c-assem off
11. use long rod to tap out drive shaft and hub
12. take all six front crossmember bolts out(and dogbone)
13. support crossmember with two whimpy jackstands
14. loosen all tranny bolts
15. loosen tranny mount bolts(on tranny itself)
16. loosen tranny mount top bolt, and remove tranny mount
17. disconnect shifter cables and remove them from bracket
18. remove any harnesses connect to tranny
19. double check everything so far
20. remove starter and zip tie out of way
21. use jack to support tranny
22. remove all tranny bolts
23. remove tranny
24. remove pressure plate
25. remove flywheel
26. reassemble to opposite order

Tips
Image


do NOT remove the axle nuts
be very careful when removing the axles
have patience
before starting anything drain tranny fluid, remove battery and tray, remove the clutch hydraulic line and cap off and triple check your list(i.e. new cover bolts, flywheel bolts, axle seals(in case), throwout bearing)
torque specs are as follows.
35 ft lbs tranny to engine
21 ft lbs pressure plate(cover)
83 ft lbs flywheel to crank
33 ft lbs drain and fill plugs
part numbers
BRS-46 axle seals
F5RZ-6379-A flywheel bolt
-W70246-5303 cover bolt
F5RZ-3B477-A(if swapping to svt hubs) axle nut
XT-M5-QS tranny fluid(2 quarts)
XL-7 friction modifier(for those with an lsd)

also build yourself a engine brace out of two eight foot 2x4s, two large eye bolts(with Big washers) and two chain links. cut two pieces of 2x4 into 6" lengths, press onto the strut tower bolts to imprint the wood to drill, drill the wood to match the indent to fit on your strut tower. now cut two more 6" pieces and two 8" pieces. Next counter sink and bolt the 8" to the second 6" piece(making a double stack). now cut two 20" pieces and bolt them to the double stack and the strut piece. now you have two level boards to span the engine bay. cut the other 2x4 in half and span the engine directly over the engine hangers and bolt them to the 20" pieces. now mark the location of the engine hangers and take the assembly off. drill holes above hangers and pull the eye bolt through place the washer on top and then the nut, use the chain link to attach the engine hanger to the eye bolt. now you can support the engine without a hoist blocking your way underneath and you can use the eye bolts to lower or raise the engine
here are pictures of the brace
Image
Image
 
#3 ·
Re: mtx-75 clutch install how-to

thats a great right up but there is a few steps you have listed that are NOT necessary and just consume time. The calipers, knuckle, tie rod ends dont have to come off. The frame DOES NOT have to be loosened either.

Scott
 
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#4 ·
Re: mtx-75 clutch install how-to

I wish this was here a week ago with pictures. I just swapped out my transaxle last week. I found it easiest to just drop the subframe to get the tranny off the motor. Also getting the driver side axle out sucked big time. And another note instead of reusing the given ford clamps hose clamps would be much easier to use. I was thinking if I did it again to take the rest of the axle off from the very end that goes into the motor. Then pull that out, and doing opposite order for putting the axle back in.
 
#6 ·
Re: mtx-75 clutch install how-to

excellent writeup, itll come in handy for those who want diy
 
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#7 ·
Re: mtx-75 clutch install how-to

nice can't wait until i see some pics. i will probably have a shop do it though since i need new synchros and a LSD put in but in case i try to do it myself i'll have this to referance. make sure the host for your pics won't go down.
 
#8 ·
Re: mtx-75 clutch install how-to

Sometime in december im going to do a full Tranny job. So if anyone is local to San Jose, CA. You're welcome to come by my house and help, take pictures, watch.

The project will consist of,
#1. Dropping the tranny
#2. Putting in 4.06 Final Drive
#3. Changing out the clutch and flywheel
#4. Installing LSD
 
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#9 ·
Re: mtx-75 clutch install how-to

Sometime in december im going to do a full Tranny job. So if anyone is local to San Jose, CA. You're welcome to come by my house and help, take pictures, watch.

The project will consist of,
#1. Dropping the tranny
#2. Putting in 4.06 Final Drive
#3. Changing out the clutch and flywheel
#4. Installing LSD
Click to expand...
would you be interested in doing mine like next summer??
same stuff on your list plus new synchros.
 
Discussion starter · #12 ·
Re: mtx-75 clutch install how-to

by building the afformentioned brace it allows for about 6 inches of engine lowering, with this much clearance you have enough room to slide off the tranny, be sure to take off the trans mount(under airbox) before trying to take the trans off the engine
Image
 
#13 ·
Re: mtx-75 clutch install how-to

you dont need to drop the k-member. if you take off the lower mount along with the tranny mount you can raise and lower the engine a good foot. The tranny will do on with the differential pointing preety much strait down then you rotate it into position. One of the ribs wont clear so you have to jack the engine up, rotate it so it clears, then drop the engine back down to finish getting it on.

Check the metal spacers inbetween the tranny and the engine. Tbey fall out of place alot.

Thread the tranny bolts so you have an inch left then thread and attach the starter or else you will have a big problem getting the starter in.

To do the shift cables lower the car, remove the drivers splash shield and use a couple of extensions to unbolt/bolt the entire bracket from the tranny. Remove the shift mechanism also, along with everything else attached to the tranny(Tranny Mount parts, studs, ect)


About the axles. Grr the axles. The best way is to unbolt the struts from the knuckles and kick them out. Then pound the axles out from the knuckles USING A PIECE OF WOOD TO PROTECT THE THREADS!!!!!! Ive replaced 2 axles because of stripped axle nuts. To get the axles out all the way the steering wheel has to be turned all the way, opposite for each side.

Ah the drivers side axle retaining clip. To be able to get the axle out, first you MUST understand what you are fighting. You are looking at the butt of the axle and there is a retaining clip holding it in the splines that will pop in and out. Use a flashlight to see the butt through the passanger side axle hole. YOu will see a metal bar going diagonally across the butt. This is part of the differential and it will not move. Take 3-4 3/8 socket extensions and position it against the axle through the passanger side hole. NOT on the bar but on the axle. Now take a nice 30lb sledge hammer and knock that baby out! This isnt somthing that is gonna slide out, you will feel and hear it pop. Im not talking a love tap here you really need to hit it good. To get the axle back in you just hold the axle as strait as you can(OUT of the nuckle resting around where the strut is keeping the joints strait) and hitting it good with the sledge. Again, you can feel it move in a inch and a half and feel it pop in.

Instead of a diagonal bar in the differential my quaiffe has a nice circular hole in the center that a screwdriver fits perfectly through.

Thats all I can preety much remember. Im still dirty from putting my tranny back in AGAIN.

Good luck! Ive done this 4-5 times on my daily driver
Image


PS: The engine wont fall out dont be afraid of letting the pass mount take some weight.
 
#14 ·
Re: mtx-75 clutch install how-to

Ive removed the bell housing more than 10 times.. Get easier and faster every time. I can do it in 2 hours or less with help from a buddy who has done the removal before. An impact wrench speeds things up considerably!
 
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#16 ·
Re: mtx-75 clutch install how-to

Wow, nice brace. I just put a jack stand under the engine to hold it up while I pulled the trans off. One note it is easier to pull it out and get it back in if you take the shifting thing off of the trans. It will give you more clearance to get it out. Also when putting it back it you have to push the engine forward towards the fans, this will give you a better angle to slide it onto the engine.
 
#17 ·
Re: mtx-75 clutch install how-to

Sounds like fun, anybody wanna give me a hand?
 
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Discussion starter · #20 ·
Re: mtx-75 clutch install how-to

please buy new bolts from ford, they already have loctite(or fords choice of the like) and for piece of mind
Image
 
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