• The Roadster Factory Recovery Fund - Friends, as you may have heard, The Roadster Factory, a respected British Car Parts business in PA, suffered a total loss in a fire on Christmas Day. Read about it, discuss or ask questions >> HERE. The Triumph Register of America is sponsoring a fund raiser to help TRF get back on their feet. If you can help, vist >> their GoFundMe page.
  • Hey there Guest!
    If you enjoy BCF and find our forum a useful resource, if you appreciate not having ads pop up all over the place and you want to ensure we can stay online - Please consider supporting with an "optional" low-cost annual subscription.
    **Upgrade Now**
    (PS: Subscribers don't see this UGLY banner)
Tips
Tips

TR6 TR6 transmission removal problem

Slider748

Senior Member
Offline
I’m in the process of removing my OD transmission and there are two studs at the top of the bell housing that are preventing the tranny from “sliding off”. I’ve tried raising the back of the engine but it hasn’t helped. I’m worried I’ll break the studs if I wiggle the tranny too much. Any suggestions for me? Any advice is greatly appreciated.

Thanks

Gene
 

Banjo

Yoda
Country flag
Offline
How about letting the motor down to get a gap on the bottom. then put something in between the motor and trans as high up the sides as you can. Then jack the motor back up and use the wedges as levers and push down on the trans to see if it will pop.
or put a prybar in the gap and try to lever them apart.
Just some thoughts
Good luck Guv'na
 

Adrio

Jedi Knight
Country flag
Offline
I just replaced the tranny on my TR4A, (subject of an other thread I started last weekend) and I have done the same on my TR3A 20 years ago. The studs are not that long and remember the tranny fits into the clutch a long way. I say this because the part the fits into the clutch engages before the studs reach the face of the tranny case (on the way in I noticed this because that is the point at which I had to turn the output of the tranny to "line it up"). So at least on the TR4A I don't think there is enough "play" on the whole thing to bend the studs such that they will break. I would think the you just need to keep pulling. Of course make sure you did not forget/miss any blots or nuts.

I am about to take mine out again, so if you want I can take some pictures or count the nuts/bolts for you. Just let me know.
 

tr6web

Jedi Trainee
Country flag
Offline
What's the best way to take out the tranny to replace the clutch (TR6)? I have two jacks, 4 jack stands, and many tires to put under the car (to be on the safe side). I really need a new clutch put in and it seems to not be that hard once the tranny is off. The interior is out of the car including the trans cover, so now would be the time. Any suggestions?
 

Adrio

Jedi Knight
Country flag
Offline
[ QUOTE ]
What's the best way to take out the tranny to replace the clutch (TR6)?

[/ QUOTE ]

I have just done it. and I would say the best way is out the inside of the car. Jack the front of the car up and put it on wheel stands. Remove the starter, remove the cover plate at the bottom of the tranny from under the car, remove all the bolts on the bell housing from insde the car, remove the bolts at the back of the tranny. Now all you have to do is slide the tranny back to clear the input shaft from the clutch and lift the tranny away. I would say you should get a helper for this (though 20 years ago I did it alone, but don't recomend it). The clutch comes of simply enough. Then get or make and alignment tool and put the new clutch and plate in. The install is the reverse.

The Triumph repair time schedule says the whole thing take 4.5 hours but that includes seat and tunnel removal and instalation.
 

Dugger

Senior Member
Offline
With an Overdrive, the only way out is through the car interior. You will also have to remove the ebrake handle and I also remove my steering wheel just for more clearance, but the wheel is not necessary. If you have an engine lift, you can easily remove the trans/OD by yourself with just a couple of choke straps or strong ropes, or grab a bud and the two of you can muscle it out of the car. It is not real heavy, but awkward to grab and move.

Once you have removed the rear transmission mount, prop shaft, and bell housing bolts, you will need to raise the engine a wee bit for the transmission to clear the rear cross frame member. Once clear, it should slide off without too much trouble, however, I have heard of some release problems from the clutch spline. This may require a little more determination, but is doable with a small pry bar used below and then above the input shaft - with a gentle wiggle up & down on the unit.
Be careful of the exhaust system, that you donot overstress the manifold while moving the engine upward. I removed the exhaust support near the transmission rear for more clearance and made sure that the connection was slipping a little when I raised the engine. BTW: use a nice wide board on the oil pan when you lift the engine.

When you remove the clutch slave cylinder have a piece of wire handy to tie it up so not to stress the hydraulic piping, especially if you have the original nylon supply.

On the bell housing, there are 2 - 3/8" bolts at the ~ 5 & 7 o'clock position and all others are 5/16" (if I remember correctly) with exception of the starter bolts. There should be three threaded studs at the top of the engine block. These three studs with the two 3/8" bolts help with alignment on the re-intall. As mentioned you will need an alignment tool to center the clutch before the cover (pressure plate) can be secured. Examine the cover fingers for excessive wear and replace the unit if need be. Mine were almost worn clear through.

OMT: All of the nuts should be on the rear of the bellhousing when you re-install.


Good luck
 
OP
Slider748

Slider748

Senior Member
Offline
Thanks for the great suggestions and advice everybody. I feel more confident for my second attempt. Hopefully I can get to it this weekend and provide an update.
 

vettedog72

Jedi Knight
Offline
If you install a new clutch disk BE SURE TO SLIDE IT ON THE SPLINES OF THE TRANSMISSION BEFORE YOU PUT IT TOGETHER. The clutch splines may ahave a burr or two that can play the devil with installation of the transmission. You do need a tool that simulates the transmission spline to line up the clutch in the pressure plat when putting everything back together, new disk or not.
 
OP
Slider748

Slider748

Senior Member
Offline
I managed to remove the tranny. I basically used the brute force method and yanked it off. Thanks everybody for your advice. I guess I'll need the alignment tool when I re-install it. Is the installation harder?
 

ROADSTR6

Jedi Trainee
Offline
I second that vettedog! I was helping a friend with his TR4 tranny and we had to break out the file and deburr things a little bit...not until after we had tried for a couple of hours unsuccessfully to mate the engine and tranny together. We thought we just didn't have things lined up right. Once we pulled the tranny back off and the clutch off the flywheel, we found the problem. Ugh!
 

Adrio

Jedi Knight
Country flag
Offline
[ QUOTE ]
I guess I'll need the alignment tool when I re-install it. Is the installation harder?

[/ QUOTE ]

If you do not touch the clutch while the tranny is off you do not need the alignment tool. If you remove or losten the clutch, then you will need an alignment tool. I have (in a pinch) made an alignment tool out of hardwood on the wood lathe, and it worked just fine. In fact I have quite a collection of hardwood "special tools" that are for the Triumph and they all worked great.

As to "is the instalation harder?", I would say, no it is about the same as it would have been had yours not been stuck. It is a lot easier if you get a helper though. Just lign it up and slide it in. Remember to put the tranny in 4th gear so that you can rotat the output shaft to turn the input so that the splines align with those in the clutch.
 
Similar threads
Thread starter Title Forum Replies Date
R_Lyle TR6 TR6 Transmission rear seal removal Triumph 4
G TR6 [TR6] removal of front transmission seal Triumph 5
Got_All_4 General Tech TR6 Transmission Troubles Pops Out of 3rd gear Triumph 2
TR6Canuck For Sale 72 TR6 clutch and transmission Triumph Classifieds 4
C TR6 TR6 Transmission Triumph 5
EWD TR6 74 TR6 - Transmission / Shifting gears Triumph 5
EWD TR6 Rear Transmission Seal 74 TR6 Triumph 4
M_Pied_Lourd TR2/3/3A TR6 Transmission Swap Clutch Slave Question Triumph 3
Got_All_4 TR2/3/3A Fitting the original tr3 transmission cover over a tr6 overdrive Triumph 9
JFeher TR2/3/3A Has anyone installed a TR6 OD transmission in their TR3? Triumph 8
hondo402000 TR6 New Transmission parts for TR6 Triumph 5
hondo402000 TR6 new TR6 transmission popping out of gear Triumph 6
mgedit TR6 Transmission Question TR6 in TR4 ... will it work? Triumph 4
hondo402000 TR6 Transmission Leak TR6 Triumph 28
hondo402000 TR6 Transmission Seals, TR6, where to get them Triumph 2
hondo402000 TR6 Leaking Transmission solved TR6 Triumph 5
hondo402000 TR6 TR6 Transmission leak Triumph 5
bobh TR6 New TR6 Transmission Conversion Triumph 3
V TR6 Need a Transmission cooler for your TR6? Triumph 4
cmacmillan TR6 Cleaning the transmission on a TR6? Triumph 18
SCguy TR6 Transmission Swap in my TR6 Triumph 14
hondo402000 TR6 TR3 VS TR6 Transmission units Triumph 6
Paulus TR6 TR6 Speedometer problem in transmission housing Triumph 5
Paulus TR6 TR6 Transmission noise when clutch engaged. Triumph 7
J GT6 TR6 Transmission w/OD in a GT6? Triumph 9
Slider748 TR6 Re-installing TR6 transmission Triumph 14
71tr TR6 Transmission Rebuild [TR6] Triumph 2
A TR6 TR6 Transmission Identification ??? Triumph 3
A TR6 TR6 Transmission Rebuild Woes Triumph 2
R TR6 Crazy Ignition Failure in TR6 engine… Triumph 7
mctriumph For Sale 69 Tr6 Triumph Classifieds 0
B TR6 TR6 block decking Triumph 2
A TR6 How many fuel filters-TR6 Triumph 20
J TR6 Repadding TR6 frame Triumph 0
S Wanted Need an HVDA conversion kit for 73 TR6 Triumph Classifieds 3
M TR6 Sorting out new TR6 Triumph 10
tr6nitjulius For Sale TR6 Clutch Master Cylinder $40 Triumph Classifieds 0
S TR6 '72 TR6 distributor issues Triumph 3
R TR6 Limit Mechanical Advance on TR6 distributor? Triumph 8
RonC General TR TR3 Shifter on TR6 Triumph 8
B TR6 TR6 convertible top frame Triumph 0
K TR2/3/3A The TR6 gearbox Ist gear.... Triumph 1
tr6nitjulius For Sale TR6 tail light assemby & Resurfaced/New Ring Gear Flywheel Triumph Classifieds 0
tr6nitjulius TR6 TRIUMPH TR6 Triumph 7
S TR6 New tr6 purchase Triumph 31
Jim_Stevens TR6 Barn find of TR6 and many TR3 parts Triumph 9
nichola TR6 Hot spot on cylinder head - 1973 TR6 Triumph 2
R TR6 Heater control bezels TR6 Triumph 2
L For Sale 1974 Tr6 for sale Triumph Classifieds 0
tr6nitjulius TR6 TR6 Parts Visualization Triumph 0

Similar threads

Top