727 rebuild at home

[Rusty knuckles]

Im a very handy guy and I need to pull my trans this winter and rebuild it. I have no issue following directions or the service manual but my big concern is, am I going to need any specialty trans specific tools to work on it?

 

[hoover]

A decent spreader pliers for the tailshaft snap ring is handy.
I used a couple of c clamps for compressing stuff.
I did my first one last winter.
This site is a great resource.

 

[Dave6T4]

Snap ring pliers. Large C-clamp to compress kick down servo piston. Smaller C-clamps to compress front drum spring retainer. Drivers to push out and install front drum and oil pump bushings. Slide hammers to pull front oil pump. Feeler gauges and 0-1 mic's to set clutch clearances Other than that, it's not too bad. I've done over a 100 of them.

 

[oldkimmer]

Snap ring pliers. Large C-clamp to compress kick down servo piston. Smaller C-clamps to compress front drum spring retainer. Drivers to push out and install front drum and oil pump bushings. Slide hammers to pull front oil pump. Feeler gauges and 0-1 mic's to set clutch clearances Other than that, it's not too bad. I've done over a 100 of them.

I totally agree. Kim

 

[R413]

Snap ring pliers. Large C-clamp to compress kick down servo piston. Smaller C-clamps to compress front drum spring retainer. Drivers to push out and install front drum and oil pump bushings. Slide hammers to pull front oil pump. Feeler gauges and 0-1 mic's to set clutch clearances Other than that, it's not too bad. I've done over a 100 of them.

Good list here, but You don't need any slide hammers. First pic shows at the races on the pavement repair.

Thread a 3/8" bolt into the front pump holes @9 and 3 o'clock positions they are threaded, pry out pump body with a hook type prybar. A little bit each side and it's out in 5-6 prys. Last photo.

Bushing drivers a must, always put in front pump and forward clutch bushings.

 

[Geoff 2]

If there is a repair book on the 727, get it! It will have tips & you can make sure things are done in the right order.

 

[turbine68rt]

If there is a repair book on the 727, get it! It will have tips & you can make sure things are done in the right order.

Amazon.com: Torqueflite A-727 Transmission Handbook HP1399: How to Rebuild or Modify Chrysler's A-727 Torqueflite for All Applications eBook : Munroe, Carl: Books

 

[T2R9]

I like Tom Hand's book.

https://www.amazon.com/Chrysler-TorqueFlite-904-727-Transmissions/dp/1613253354/ref=sr_1_1

 

[JG71B]

Dipping my toe for the 1st time in one today. I have 0 to1 mics, Carl's book, C clamps and some fresh snap ring pliers. Get decent ones, the ones at Autozone etc with the detachable ends will NOT hold up. I bought these and so far perfect. There is also an original Chrysler 727 tech video on Youtube that is awesome to watch. Makes it quite simple but it is very indepth throughout the valve bodies also

 

[zyzzyx]

The 727 is very easy to rebuild. No special tools needed as mentioned before. Pay attention to clutch pack
clearances and replace everything that looks worn. When you're close to done and setting the end play,
set the transmission directly on the output shaft with the bell housing pointed straight up so all of the weight
is on it. measure your end play and shim it accordingly. That's the hardest part! Good luck.

 

[turbine68rt]

I always measure total endplay prior to disassembly and again before pump o-ring is installed.

 

[R413]

You need two different types of snap ring pliers.
For the clutch pack, servo, and tailshaft snap rings. The snap on pair jaws open parallel and work much better than the third photo.
Many on eBay for about $50. https://www.ebay.com/itm/306404112796?

Pair with red handles will work but slip off as jaws open on an arc.

Last pair with points will need these for the snap ring on the output shaft and governor weights.

 

[Cranky]

If there is a repair book on the 727, get it! It will have tips & you can make sure things are done in the right order.

The old books are very useful......and you might talk to John Cope....he's good!
But @DVR is dang good too!

 

[69L48Z27]

I like Tom Hand's book.

http://[URL]https://www.amazon.com/...04-727-Transmissions/dp/1613253354/ref=sr_1_1

[/URL]

I used this book for my first one. Was a great resource, not sure I could have done it without it. Recommended.

 

[oldbee]

Also the FSM is a welcome,helpful addition.