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 Page 2 of 3 <123
Username Post: Rebuilding a Power Glide Transmission        (Topic#252069)
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
12-19-10 07:02 PM - Post#2020378    
    In response to Fitzback

Put back the filler tube cover and the right side of the PG is completed.



On the left side, open and clean the body valve and look for broken spring, stiff spool etc. If everything appear to be OK put back parts together and bolt it to the PG.





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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
12-21-10 05:12 PM - Post#2021169    
    In response to Fitzback

Now the body valve is back on the left side of the PG, replace the seal ring of the governor shaft. Use your finger to unsnap the seal ring and replace it by the new one found in the kit.



Oil the governor shaft, and replace it in it's hole.



Place the plastic shim.



Note: the governor shaft must be mesured into the hole without the sealring, this way you can look for worn shaft or worn housing hole. This governor shaft/housing have a high tolerance, you can use a slightly worn shaft without any problem at all.



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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
12-24-10 11:17 AM - Post#2022226    
    In response to Fitzback

Put back the governor cover and the shift lever. Pay attention to the link, it has one way only to be installed, look for the arrow.





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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
12-24-10 11:25 AM - Post#2022231    
    In response to Fitzback

Here is the first band ajusting nut access plug.

There is a screw and lock nut inside. Turn the screw until it stuck on the clockwise side, then turn back 3 turn and lock with the lock nut. The first speed band is now ready to work.



This cap is a press on type. I use sealant when I put it back.



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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
12-26-10 12:04 PM - Post#2022841    
    In response to Fitzback

Now it's time to clean and inspect the rear pump.

Open it and look for scratch, missing teeth, etc. Look also the color, must not be blue anywhere. Blue color on those parts tell you this PG pump had run out of oil.

This one look fine, clean, oil, reassemble and it's ready for the installation.





There is no gasket between the cover and the pump housing, before putting the cover on the pump housing, use a very thin layer of sealant. It will close any possibility of air intake by the pump.





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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
12-26-10 12:13 PM - Post#2022842    
    In response to Fitzback

Now you are ready to put the rear pump back into the PG.

At first look for align this teeth with this slot on the rear output shaft. This is the rear output shaft who drive the rear pump. At around 15 MPH the front pump stop working and the rear one take the lead for the rest of the trip over 15 MPH.





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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
12-26-10 05:14 PM - Post#2022939    
    In response to Fitzback

Use two of the guiding pin, slide into position the rear pump and bolt it.



After slide the rear output shaft bearing. If you want to reuse the same bearing, be sure that bearing is in a perfect conditon, then lock it with the lock plate and torque the 3 screw.



This hole in the picture below, is the oil return hole. The oil must go into the rear of the PG for lubrication, it lubricate the rear joint by the center of the output shaft, a special bolt with a small hole is in the center and a "nail" to deflect the oil all around the U-joint. This hole collect the oil and keep the level inside the rear ball as low as possible.



It's common to see on "reworked" PG a lot of silicone sealant blocking this hole, totaly or partialy.





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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
12-27-10 06:37 PM - Post#2023409    
    In response to Fitzback

Slide the half of the U-joint on the output shaft, and torque it with that special bolt.



After put in the speedo gear into place.



Put the other half of the U-joint, and lock bolt with the locking metal plate.






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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
01-03-11 03:01 PM - Post#2026454    
    In response to Fitzback

Now to the torque converter, restore this piece by specialists, they will ultimately balancing.

Do replace the hub, this hub is the same until the late 70s.

Before installing, fill the converter with the transmission oil, with about 2 quarts.

Lubricate the hub slightly outside and place it in the bellhousing

By hand, you will rotate from left to right several times to engage the shafts and gears properly and push it back into place.

Now you are ready for installation. While connecting all accessories and tubes, adjust the level higher than the mark "full " and start the engine. Let it run before engaging a speed, the time that the pump draws the oil and flush the air all over the circuits.

I suggest to raise the rear wheels, and rotate while passing all speeds, then if everything seems normal, recheck the oil level and adjust, it will need, then pass road test.




I hope that this topic interested you.


Fitz.



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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Mike JW 
"6th Year" Gold Supporting Member
Posts: 1265
Mike JW
Loc: Arroyo Grande, CA
Reg: 01-19-06
01-03-11 05:19 PM - Post#2026515    
    In response to Fitzback

Excellent, Fitz and thanks.



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
01-05-11 07:12 PM - Post#2027610    
    In response to Mike JW

Thanks Mike you are welcome!

The modulator role:

The role of the modulator is to assist the pressure regulator valve to move a little further in order to increase the pressure in the system to properly activate the low band and the reverse. The bands of low and reverse need more pressure to work to avoid slipping.

The modulator is affected by the vaccuum and when the engine is in low or reverse you have to press the accelerator further, that while running at top speed. So in low or reverse, have press the accelerator, the vaccuum falls, the diaphragm is pushed by its spring, the lever moves inside, and pushes on the pressure regulator valve and pushed a little more pressure.

Once in drive, the vaccuum back as the engine gains speed, the diaphragm pushes against its spring and release the lever and the pressure drops.

It is necessary to lower the pressure in the case of high pressure is not useful (as in drive) because it helps keep the oil cooler.


Fitz.






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La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Luva57 
Senior Member
Posts: 880

Loc: Va.
Reg: 05-13-03
01-25-11 03:09 PM - Post#2037199    
    In response to Fitzback

Thank you so much for taking the time and effort to post this rebuild.

I am sure it will help many of us.

Wish you were closer !

Thanks again............



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
01-25-11 06:35 PM - Post#2037304    
    In response to Luva57

You're welcome!

Fitz.

La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
48RON54 
Forum Newbie
Posts: 2
48RON54
Loc: Moreno Valley, CA
Reg: 04-14-11
04-14-11 02:55 PM - Post#2076776    
    In response to Fitzback

WOW......... I have been googling about the throttle valve linkage for my PG all day and at some point I ended up with a link to this site and stumbled across this topic... All I can say is WOW.... good work man.... You have me thinkging about pulling my old PG out of the shed and taking a crack at rebuilding it.... thank you so much for this post! Question: Where do you send the torque converter out to get rebuilt? A transmission shop? An engine rebuild shop?





 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
04-14-11 06:35 PM - Post#2076882    
    In response to 48RON54

I have a transmission shop near my house. They are able to restore it and get balanced.

You can't go with a rebuilt without restoring the torque.

Fitz.

La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
49TxChevy 
Forum Newbie
Posts: 30
49TxChevy
Loc: Copperas Cove. Texas
Reg: 05-22-11
06-14-11 11:56 PM - Post#2103688    
    In response to Fitzback

WOW ..........without a doubt one of the best write ups and pics of a tranny overhaul!!!!!!

Ok so whos gonna do one for a manual tranny now??? lol
Seriously though that was an awesome write up Fitz props to ya.

Life Sucks Get A Helmet !


 
boones 
Forum Newbie
Posts: 26

Reg: 06-24-11
07-07-11 08:01 PM - Post#2111791    
    In response to 49TxChevy

Incredible post. I just purchased a 51 with a PG. it was recently rebuilt along with the later 235 by the previous owner (both professionally done by a shop). It has around 500 miles on the rebuild. it drives great except for one issue

The trans is leaking/ wheeping out where the gear selector arm goes into the trans. I hate the idea of having a leak on such a fresh rebuild. How can I get this to stop (do I have to have the trans opened up by a shop and a seal replaced inside? is there something I can do without disassembling the trans.

thanks



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
07-08-11 03:29 AM - Post#2111842    
    In response to boones

Just behind your selector lever, you have a washer cup, the seal is just under it. It's a square rubber ring style of seal, not the best way to seal something.

Loose the selector lever bolt,try to push it against the washer cup to squeeze the seal between the cup and PG housing, and retorque the bolt. The selector shaft must be clean of corrosion on the seal portion, if not it will always leak.

Even new it was not 100% leaking free.

You can perfom this with the PG on the car.

Good luck.

Fitz.

La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
boones 
Forum Newbie
Posts: 26

Reg: 06-24-11
07-08-11 04:08 PM - Post#2112089    
    In response to Fitzback

Fitz, thanks, do you have a picture of that area and what it should look like. I do not remember any seal in that area. I have a lift in my garage, I will get it up there and take some pictures to show you what I have... (maybe you can ID something missing...



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
07-09-11 12:59 PM - Post#2112337    
    In response to boones

I've looked into all my PG picture and I don't have any about this seal. Don't be shy to removed your lever, you must see your seal under it, into a groove, if any, a correct Oring size can do, but must be always press with a shim under the lever.

Fitz

La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
boones 
Forum Newbie
Posts: 26

Reg: 06-24-11
07-10-11 02:52 PM - Post#2112662    
    In response to Fitzback

Here is a picture of the area the tranny fluid is leaking from





If it is a seal I need to replace, do you know the PN or what I ask for (the part name) I guess Chevy of the 40's would have it



 
56sedandelivery 
Dedicated Enthusiast
Posts: 5250
56sedandelivery
Age: 66
Loc: Everett, Wa.
Reg: 02-26-08
07-10-11 03:00 PM - Post#2112668    
    In response to boones

Reverse apply servo cover. Butch/56sedandelivery.




 
boones 
Forum Newbie
Posts: 26

Reg: 06-24-11
07-10-11 04:12 PM - Post#2112694    
    In response to 56sedandelivery

It is not leaking from the rusty area but out of the shaft that goes into the tranny (that the lever attaches to.) it looks like a spacer is inbetween the lever and the case. or is that a seal/ spacer



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
07-10-11 08:23 PM - Post#2112792    
    In response to boones

your seal in compressed between the spacer and the PG housing, removed your lever and the spacer, you should see the seal.

Fitz.

La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
boones 
Forum Newbie
Posts: 26

Reg: 06-24-11
07-11-11 04:02 PM - Post#2113109    
    In response to Fitzback

Thanks Fitz, do you know where I can get a replacement (and what the seal is called)



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
07-19-11 06:58 PM - Post#2115971    
    In response to boones

I only see this seal called «shaft seal», and see only come from a kit. A good size Oring can do the job.

Fitz.

La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
tonyp24 
Forum Newbie
Posts: 5

Loc: Lansing, MI area
Reg: 11-23-11
07-16-12 06:48 AM - Post#2248699    
    In response to Fitzback

Great write up!
I just got a 54 pg to put in a 53 w/ 3 speed!
I think I am going to need the mounting plate that goes to the motor and a torque convertor, Trans cooler and lines. What should I do about shifter linkage?

I am glad I found this post!
I plan on rebuilding the trans!



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
07-17-12 06:48 PM - Post#2249273    
    In response to tonyp24

There is many differences between a manual shift and a PG car. I will forget some if I try to name it all, but my suggestion is, find a PG donor car with all the linkage, sterring column thing etc. You have to check also if the torque fit your manual shift engine crank.

Some here can tell you if the torque is a bolt in.

Fitz.

La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
Styleline 52 
Forum Newbie
Posts: 95

Loc: Petawawa, Ontario
Reg: 06-28-11
08-04-12 09:34 AM - Post#2255647    
    In response to Fitzback

When replacing the gaskets do you use gasket sealant or silicone ?



 
Fitzback 
"10th Year" Gold Supporting Member
Posts: 1277
Fitzback
Age: 53
Loc: St-Hyacinthe, Qc. Can.
Reg: 01-23-08
08-07-12 05:32 PM - Post#2256914    
    In response to Styleline 52

On metal to metal I use loctite 515 (red creamy paste), with gasket, I use light coat of loctite gray silicone with success.

DON'T use to much of sealant, because some can spit inside and block some important part of the tranny like the return hole at the rear pump.

Also, always file all surfaces before reassembling.

Fitz.

La vie est belle! 1953 Pontiac Pathfinder deLuxe 2 doors sedan + Victory Vision tour

Fitz



 
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