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 Page 1 of 2 12
Username Post: 59 Powerglide overhaul        (Topic#272829)
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
11-29-11 07:26 PM - Post#2163310    

With the factory manuals winging their way to me, I am preparing to overhaul my 1959 powerglide.
I am about to order an overhaul kit from Autotrans.
Now, the bands, bushings & washers are not included in the overhaul kit.

The transmission runs fine when driving. When selecting "drive" and reverse, it tends to jump slightly, and it does feel vaguely like it wants to surge forward when in neutral.

needless to say, it is leaking like a seive.

Would it be worth my while to order those other parts also?
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


Edited by Vic on 11-29-11 07:27 PM. Reason for edit: No reason given.

 
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rrausch 
"13th Year" Silver Supporting Member
Posts: 10890
rrausch
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
11-30-11 05:11 PM - Post#2163617    
    In response to Vic

Personally I'd order them. IMO, you can never have too many spare parts for these old cars.
1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.




 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
11-30-11 06:35 PM - Post#2163647    
    In response to Vic

Whenever rebuilding a transmission - it is imperative that a proper diagnosis be made PRIOR to tear down.

Otherwise, you may open it up and never see what may be wrong.

The "jumpy" feeling in both D and R is usually associated with a too high idle speed.

When was the last time the low band was adjusted?
I bet - never.......

Sure you can order the parts you mentioned and it is probably foolish not to install them during the teardown.

If it were not for the leakage issue, the transmission may not be as bad as it may seem.

If it were me, considering the labor involved - I would replace all soft parts.
Bowtieollie
Chevytalk.com Moderator


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
11-30-11 07:47 PM - Post#2163676    
    In response to bowtieollie

Thanks for that guys, better to do it well once than twice.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
cool59belair 
Very Senior Member
Posts: 2457

Reg: 03-05-02
12-01-11 09:01 AM - Post#2163785    
    In response to Vic

Vic, IF possible take and post a BUNCH of pics as the rebuild will surely be interesting AND helpful to a lot of us. Especially IF you find worn parts or damage as it will give us an idea what to be aware of in our own cars. Good Luck.
My BelAir

yeah, you've got a nice car....BUT IT'S NOT A '59 !!!


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
12-01-11 12:37 PM - Post#2163858    
    In response to cool59belair

Ken, I have a digital camera with 4 gb of card space on hand. Am ordering the kit this week, and will notify when I start. Cheers.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
12-23-11 09:40 PM - Post#2171788    
    In response to Vic

The kit arrived yesterday.
The transmission is out and on the bench ready to get 'de-leaked'.
Man that thing is heavy!!!


'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
12-24-11 07:19 PM - Post#2172108    
    In response to Vic

She looks pretty clean already!
Bowtieollie
Chevytalk.com Moderator


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
12-25-11 05:42 AM - Post#2172172    
    In response to bowtieollie

Oh yeh, this was taken after the 2 hour scrape and soak.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
12-25-11 06:54 PM - Post#2172330    
    In response to Vic

Have removed all the bolts from the servo cover, but it won't budge. I have given it a hearty tap with a block of wood and hammer, but no luck.
Other covers have shifted easily.

Any ideas? Experience tells me not to bash too hard until I am 100% sure that everything is clear.
[image][/image]
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
12-25-11 08:53 PM - Post#2172355    
    In response to Vic

Remove the vacuum modulator.

Then you may have to pursuade if off - since the paper gasket is probably holding it together
Bowtieollie
Chevytalk.com Moderator


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
12-25-11 11:03 PM - Post#2172378    
    In response to bowtieollie

Thanks for that. The schematics in the book made it appear to be self contained, so I didn't want to take of more than was necessary at any one time.

'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
12-28-11 08:31 PM - Post#2173395    
    In response to Vic

Have progressed nicely with the pull down so far.
This is the first component that doesn't as good as everything else...input shaft bushing.

The area in question is at the uppermost of the bushing, noticeable with the fingernail. The rest barely felt.

Is this essential to replace? Common sense says yes, but waiting for delivery to Australia makes me question whether this is essential.

What would have caused this?
[image][/image]
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
12-29-11 04:29 PM - Post#2173655    
    In response to Vic

Hi Vic,

Can't suggest the cause of the damage - but it sure looks like something just "woodpeckered" that poor bearing to death.

Definitely requires replacement - as this is one of the main causes of the famous Powerglide BURP.

Not sure who you may be dealing with for parts...
www.fatsco.com is who I use and highly recommend.
Bowtieollie
Chevytalk.com Moderator


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
12-29-11 10:36 PM - Post#2173778    
    In response to bowtieollie

Thanks so much for that. Yes, I figure common sense....and patience must prevail.
I did get the previous kit from Autotrans, so I'll get back to him, but if I have no luck there, I will give you recommendation a go.
Cheers.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
12-30-11 03:39 PM - Post#2173973    
    In response to Vic

Hi Vic,

Use a jaundiced eye on the input shaft seal and area in the main valve body that is rides against.

You will most likely find a groove in the main valve body that results from years of the shaft seal riding against it.

This is the 100% cause of the fluid leakage (burp) when the car sits for a period of time.

Now is the time to fix that....
Bowtieollie
Chevytalk.com Moderator


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
12-30-11 08:54 PM - Post#2174073    
    In response to bowtieollie

Trying to get an idea of what this means.
The shaft seal is a pressure fit, so I am wondering how that would create a groove?
Apologies for my ignorance.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
01-01-12 02:58 PM - Post#2174668    
    In response to Vic

Hi Vic, sorry about the confusion.

Not the input shaft seal which rides on the torque converter.

The seal which is more "ring like" on the input shaft - from the torque converter - thru the main valve body.

If you have an exploded view from the factory service manual - it would be ite # 13
Located just forward of the lubrication hole in the input shaft.
Bowtieollie
Chevytalk.com Moderator


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
01-01-12 10:32 PM - Post#2174796    
    In response to bowtieollie

Do you mean this....?
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
01-10-12 01:21 PM - Post#2177792    
    In response to Vic

Hi Vic,

Sorry for the delay.... busy with work and my own '58 for a change.

Looks like the oil pump to me...

I am talking about the sealing ring which is on the input shaft. It seals inside the main valve body and usually wears a groove in the valve body.

The input shaft comes out of the converter and attaches to the front clutch drum - the seal is "approx. midway" on the shaft and is a steel ring.
Bowtieollie
Chevytalk.com Moderator


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
01-10-12 02:53 PM - Post#2177828    
    In response to bowtieollie

Ah, I see, the diagram is a bit vague, I thought the oil pump was a bit large for the pic. Yes, the sealing ring...one of those came with the seal kit and it is now installed.
This morning I get out to the garage before work and start the process of replacing the shaft bushings, and reassembling the unit.
Thanks do much for your guidance.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
01-11-12 06:45 PM - Post#2178331    
    In response to Vic

Hi Vic,

The internal bore where this sealing ring resides is critical to prevent the BURP.

The sealing ring will wear a groove in the bore (which is the main valve body)

It can be machined or sleeved depending on the machine shop of interest.
Bowtieollie
Chevytalk.com Moderator


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
01-13-12 03:17 PM - Post#2179017    
    In response to bowtieollie

Cheers, I'll look into it.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
01-14-12 08:58 PM - Post#2179432    
    In response to Vic

It looks like there was no scoring in the internal bore.

Also, how do you get the #%$# cover of the torque converter. The instructions say to simply lift it off. No joy there. I only want to replace the 'O' ring but am wondering whether I might leave it.

Any ideas?
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
Jens 
"9th Year" Silver Supporting Member
Posts: 6479
Jens
Loc: Iowa.
Reg: 04-21-02
01-15-12 09:36 AM - Post#2179519    
    In response to Vic

Vic, you should be able to take the the perimeter bolts out & tap on the outside edge a little and it should come apart.






 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
01-15-12 05:46 PM - Post#2179640    
    In response to Jens

I took out all of the bolts and tapped more than just a little. More than I would have like, and it still didn't budge.
Decided not to persevere, so it is back in the housing and the tranny is about to go in.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
bowtieollie 
ChevyTalk Subject Matter Expert
Posts: 21116
bowtieollie
Loc: See the USA in your Chevr...
Reg: 12-06-99
01-15-12 06:24 PM - Post#2179669    
    In response to Vic

Ohhhhhhhh Vic,


If you removed all those bolts and tapped away and the cover did not come off???

Don' give up!

There is a 53 year old O-ring that is playing "I am the BOSS!" I would not trust it if the bolts were removed...

These are not the most "technician friendly" transmissions - especially when they are bolted to the car.

Great news about the "no groove" comment.
You can plan on painting your garage floor and enjoying that without the bloody red ATF leaking out if she sits for a few days.
Bowtieollie
Chevytalk.com Moderator


 
Jens 
"9th Year" Silver Supporting Member
Posts: 6479
Jens
Loc: Iowa.
Reg: 04-21-02
01-15-12 06:30 PM - Post#2179671    
    In response to Vic

Try driving a chisel & wedge the 2 halves apart. They should go. There is a turbine & stator assembly in the housing pump you will want to clean and inspect before you put it back together. They are pretty basic componants. You don't want that old oil from your converter pumped through your fresh rebuild.




 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
01-15-12 08:01 PM - Post#2179711    
    In response to bowtieollie

Yes, great news about the groove! I have given up with the converter. I tapped as hard as I dared. I even put a dowel in the vice, and tried to poke it out from underneath.

And there is no way I am going to use a chisel!!! Thanks for the advice anyway. The book emphasises NOT to use a screwdriver to pry the cover off, I think a chisel probably fits in that category.

The tranny is now suspended on blocks, high enough to receive the modified trolley jack. All going well, it should be in by dinner time.

Pics coming soon.
'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


Edited by Vic on 01-15-12 08:02 PM. Reason for edit: No reason given.

 
Vic 
Forum Newbie
Posts: 92
Vic
Loc: Yass, NSW, Australia
Reg: 09-20-11
01-16-12 03:18 AM - Post#2179789    
    In response to Vic

One Powerglide transmission....IN!
30 kilometre test drive and so far....no leaks!
And so far, the garage flor is dry.
Here's a couple of pics of the install. Crikey that thing is heavy!!
Thanks for all of your comments and support.


'59 2 door Hard top Impala.
Whattya know, the levy really was dry!


 
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Visit Impala Bob's forum on ChevyTalk
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