545RFE Rebuild

2006 Jeep Cherokee. 17 days later the PCM shows up and it fixes the problem of killing the engine in drive. While looking at the wiring to make sure it had no problems we did come across 2 computer grounds on the back of the heads and attached on the bulkhead, that were severely corroded and fell apart when we touched them. These grounds are critical and may be a reason the pcm went bad. Clearances UD: .040-.068, OD: .030-.063, Rev: .023-.058, 2C: .039-.065, 4C: .030-.055, LR: .046-.082
End play .004-.020
PATREON: / curmudgeontransmission
Supplier Links:
Superior: superiortransm...
Transtar: www.transtar1....
WIT: www.wittrans.com/
Sonnax: www.sonnax.com/
Teckpak/Fitzall: www.teckpak-fi...
Transgo: transgo.com/
Precision of New Hampton: gopnh.com/
Atec Transtool: www.toolsource...

[@monstaro19]

I might have to rebuild a Chrysler 300c transmission if I get the car in April.. as a precaution because I rebuilt a a604 one in my gt pt cruiser with 8 bolt billet tc and lots of valve body work with sonnax and Transgo shift kits combined 8 pass oil cooler with bigger magnets in the pan and an inline magnet filter My ride flies now

[@whatwasthat3269]

Thank you

[@CurmudgeonTransmission]

You're welcome

[@aurelioaparicio7854]

excellent video thank you for sharing your knowledge. im learning to build trans on my own. and this is very helpful as you go easy on your building the transmission. i will watch more of your videos this one was great for me.

[@CurmudgeonTransmission]

Thank you and thanks for watching.

[@noidontthinksolol]

mine has 380k miles on it. im rebuilding another one now for when it fails. im suprised it hasnt yet with how hard i beat on it lol. the parts are hard to come by in belgium so one has to be prepared for the worst

[@CurmudgeonTransmission]

Outstanding! Got you a good one.

[@noidontthinksolol]

@@CurmudgeonTransmission im doing tbe low reverse sprag assembly at the moment. Do these ever go bad? The sprag housing has a bleuosh tint to it like it got really hot

[@CurmudgeonTransmission]

Hardly ever. They look like that. If it is turning one direction smoothly and holding the other then it is probably good.

[@noidontthinksolol]

@@CurmudgeonTransmission thanks !

[@BlaztNbern420]

Hello sir watching your videos has helped me with my first rebuild! However i removed this large snap ring looking washer and cant for the life of me remember where it came from i think it was from under on or top of a spring but i dont see this washer anywhere in the videos

[@CurmudgeonTransmission]

Go to my Instagram and send me a photo and I will look at it. CurmudgeonTransmission

[@CurmudgeonTransmission]

Jim Angelo it won't let me respond to you, try resending your question. Need more info also. Won't shift or won't engage, also what are the codes?

[@matthewisakson603]

Hi Tom I’m rebuilding my 545rfe and I’m wondering if it’s necessary to remove the Belleville plate from the low reverse drum. Are there any parts that need to be replaced? Thanks, appreciate your channel!

[@CurmudgeonTransmission]

Thanks. No need to take it out. If you do you will wish you had not. Nothing in there to replace unless it is broken.

[@AdamLeeJ12]

Tom, I've been using your video to rebuild a 45rfe. On the first drum that goes into the transmission body has two little holes in it on the bottom. On my breakdown only one hole had a black breather. Would there be one in each hole? Thank you for the video it was very informative.

[@CurmudgeonTransmission]

Not sure if I am 100* on what you are saying. There is a bleed hole with a screened orifice that faces towards the rear of the transmission. The only other hole is a feed hole that faces towards the valve body and no nothing goes in that hole. There is a rubber seal on the valve body that seals that. Hope that helps.

[@AdamLeeJ12]

Yes I saw you called it a feed hole. Got it together and done. Hopefully it works lol. Thank you.

[@randymolden1638]

Whats the part number from Sonnax for the TCC limit on the pump body. theres 2 or 3 shuttle valves on that pump. Are they all the same part number? Was looking to change all the springs out while rebuilding. Thanks

[@CurmudgeonTransmission]

No they are all different. Sonnax TCC Accumulator springs 44912-01, TCC limit spring 44912-02 although for this one I would do the Transgo RFE-TCC-ACCUM. They don't offer the others without having to buy reamers to ream it for larger valves. The two I gave you are the ones that usually cause problems.

[@charleskennedy9467]

I believe you installed the stepped pressure plate that goes between the UD and OD clutch upside down. The step is supposed to go to the OD clutch not the UD clutch, right?

[@CurmudgeonTransmission]

Both sides have a step. The narrow step goes to the OD. Some even have ID marks on them on that side. If I had put it upside down, not only would it have been difficult to get the snap ring in, it would not have worked correctly.

[@charleskennedy9467]

@@CurmudgeonTransmission okay thanks for clarification.

[@markvietti]

I notice in all the 45/5-45/68RFE videos throughout the internet nobody checks the end play.. front or rear..let alone the OD clearances ect. is that never an issue? I have never even seen different size selective spacers for sale anywhere....

[@CurmudgeonTransmission]

I have never had endplay problems and only clutch clearance problems a couple of times, that was because they sent the wrong stuff. There are a few transmissions they don't even give clearances for them, they figure as long as you are using what it is supposed to have your clearance will come out correctly. Usually on this transmission if you are going to have a clearance problem it will be with the underdrive or overdrive clutches. I don't break out the gauge very often as I have gotten to where I can tell if it is right by eye and I can feel if end play is right when I turn the shaft.

[@markvietti]

@@CurmudgeonTransmission Ok ... thanks for the reply....

[@CurmudgeonTransmission]

I added clearances to the description.

[@rider3844]

Hi , what’s your thought on these transmission ? I have 174,000 on mine shifts smooth.

[@CurmudgeonTransmission]

I think they are a good transmission, be even better if they could fix the solenoid assembly problems.

[@rider3844]

Thank you for your feedback

[@danielguerra626]

What special tools, do you need to rebuild the 545rfe transmission?

[@CurmudgeonTransmission]

The only thing I would call special would be be the 2 torx bits, 25 and 30 , the snap ring pliers , something to compress the springs in the drums and a long screwdriver helps but not a must.

[@danielguerra626]

@@CurmudgeonTransmission Thanks, I was looking at the ATSG manual and it listed some Miller tools to rebuild the transmission.

[@CurmudgeonTransmission]

@@danielguerra626 They always have plenty of tools for all these units, starts getting expensive fast. I don't have any of them for this unit, you can work your way around it with a little imagination.

[@gkrzyzankowski]

What kid of grease you use during assembly?

[@CurmudgeonTransmission]

Transjel. Gold for lip seals, green to hold bearings and such in place. They also make red and blue. Gold thinnest and green thickest.

[@gkrzyzankowski]

@@CurmudgeonTransmission thank you very much