Trans pump seal/bushing install question

Reply Subscribe

Thread Tools

Search this Thread

Jul 17, 2011 | 11:04 PM

Buicksx2

Thread Starter

Junior User

Joined: Jun 2003

Posts: 77

Likes: 0

Trans pump seal/bushing install question

Hi All,

First off many thanks for this board and help from everyone.

Couple weeks ago I posted about pump seal going and with a tow to Ohio next week with race car and no maintenance records on this truck I am taking the advice of more experienced PSD owners.

I ordered and mounted my tru-cool 4739 and this week dropping trans at buddys shop and replacing pump seal and bushing.

Any advice or tips for replacing both of these? Truck is getting new fluid and filter while trans is out. Where does the bushing go? I assume the pump has to come out to do the bushing, while the seal goes on straight after old seal taken out?

Sorry for the stupid question but if it's a Buick Grand National I'd know where everything goes as I have been around them for the past 24 years.....lol.

I thank everyone on here for your help as this board has been a tremendous asset to me and my learning curve of the PSD.

Thanks
Rich

Jul 17, 2011 | 11:57 PM

mueckster

Lead Driver

Joined: Jun 2003

Posts: 8,298

Likes: 25

From: Damon (South East Texas)

Bushing and seal go in the pump front housing. Be sure to orient the lube groove in the same position as the one removed. You will need to separate the pump to remove and install the bushing. The two sections must be aligned correctly upon reassembly and torquing of the bolts. A large clamp is needed around the circumference of the pump to ensure the halves are aligned. I also used two snug fitting bolts or pins in the pump mounting bolt holes to keep the holes aligned.
Name: pump (exploded view).gif
Views: 10150
Size: 55.3 KB

Name: pump (exploded view).gif
Views: 10150
Size: 55.3 KB

Name: pump bushing.gif
Views: 5636
Size: 8.9 KB

Jul 18, 2011 | 07:27 PM

Buicksx2

Thread Starter

Junior User

Joined: Jun 2003

Posts: 77

Likes: 0

Roland,

Thank you very much, this is why I love this board, with that diagram you went above and beyond and that will make the install much easier.

I thank you again.

Stay well,
Rich

Jul 18, 2011 | 09:51 PM

mueckster

Lead Driver

Joined: Jun 2003

Posts: 8,298

Likes: 25

From: Damon (South East Texas)

My pleasure, Rich. I enjoy helping out my brothers (and sisters) when I can.

Jul 18, 2011 | 10:05 PM

Buicksx2

Thread Starter

Junior User

Joined: Jun 2003

Posts: 77

Likes: 0

Thanks again Roland......hopefully by weeks end new seal and bushing will be in, with fresh fluid and hook up my Tru Cool and we are off to drag race next week in Ohio

Jul 18, 2011 | 10:29 PM

mueckster

Lead Driver

Joined: Jun 2003

Posts: 8,298

Likes: 25

From: Damon (South East Texas)

Do you have a shift reprogramming kit, such as the TransGo Tugger, already installed? If not, this would be a good time to do it. While the pump is out and apart, you can do the mods to it.

Jul 18, 2011 | 11:12 PM

Buicksx2

Thread Starter

Junior User

Joined: Jun 2003

Posts: 77

Likes: 0

Hi Roland,

No I don't I just have the stock trans, probably would be a good idea but I am just back to work after being out for 2 years due to a corporate downsizing. So all my hobbies have taken a back seat, if I had some extra cash I would do it. What exactley does the Trans Go Tugger do?

I tow to Ohio twice a year, Maryland a couple times, the rest of the time the truck sits or I use for for Home Depot runs and honeydo's.....lol.

Thanks again Roland.

10 Ugly Ford Trucks That We Still Kinda Love

Joe Kucinski

10 Things Every Truck Owner NEEDS (2026 Edition)

Michael S. Palmer

Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Verdad Gallardo

Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Joe Kucinski

2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Brett Foote

Top 10 Ford Truck Tragedies

Joe Kucinski

AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

Brett Foote

Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Michael S. Palmer

Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Verdad Gallardo

10 Best Ford Truck Engines We Miss the Most!

Joe Kucinski

Jul 18, 2011 | 11:31 PM

Buicksx2

Thread Starter

Junior User

Joined: Jun 2003

Posts: 77

Likes: 0

Roland,

How long to do something like that and can a extremely average mechanic like me do it? How hard is it to install and how good are the instructions?

Thanks

Jul 19, 2011 | 08:23 AM

#10

mueckster

Lead Driver

Joined: Jun 2003

Posts: 8,298

Likes: 25

From: Damon (South East Texas)

That would be kind of hard for me to determine. I would give yourself a full day to R&R the trans and do all the mods. The instructions are pretty straight forward. There would be a couple of mods in the kit that wouldn't be done unless you tear into the trans further than the pump. When removing the pump to replace the bushing and seal, you will need the large O-ring that goes around it and the gasket behind it. There are also 2 sealing rings on the rear and 1 on the front of the stator shaft (ring grooves are #38 & #39 on the exploded view) that I would consider changing while out and can be difficult to get to compress as the pump is installed. You can get a rebuild gasket kit that has all the seals, rings, and gaskets necessary for the job. You may just have to purchase the bushing separately.
I hope this answers your questions and if you have any more, just let me know.

Last edited by mueckster; Jul 19, 2011 at 08:47 AM. Reason: added info

Jul 19, 2011 | 07:16 PM

#11

Buicksx2

Thread Starter

Junior User

Joined: Jun 2003

Posts: 77

Likes: 0

Quote:

Originally Posted by mueckster

>>> Hi Roland,
The plan is to devote a whole day at my buddys shop. I know he ordered a gasket kit from the dealer and it has the O ring gasket and and the gasket behind it as well as the pump seal.

I really don't want to tear into the trans anymore than just dropping it, removing pump and doing the mods of the Transgo Tugger.

So based on what you said above we can just mod the pump when we take it apart and not go further into the trans?

Besides dropping trans and doing these mods we are running lines to the tru cool I mounted over the weekend and put it back up and then fill with fluid and take her for a drive and hope all goes well because next thursday we are off to Ohio.

Thanks again Roland I appreciate all your help on this.

Jul 19, 2011 | 11:46 PM

#12

mueckster

Lead Driver

Joined: Jun 2003

Posts: 8,298

Likes: 25

From: Damon (South East Texas)

Quote:

Originally Posted by Buicksx2

>>> Hi Roland,
The plan is to devote a whole day at my buddys shop. I know he ordered a gasket kit from the dealer and it has the O ring gasket and and the gasket behind it as well as the pump seal.

I really don't want to tear into the trans anymore than just dropping it, removing pump and doing the mods of the Transgo Tugger.

So based on what you said above we can just mod the pump when we take it apart and not go further into the trans?
Besides dropping trans and doing these mods we are running lines to the tru cool I mounted over the weekend and put it back up and then fill with fluid and take her for a drive and hope all goes well because next thursday we are off to Ohio.

Thanks again Roland I appreciate all your help on this.

Yes. Most persons who install the TransGo Tugger kit do not remove their transmission. Therefore, they do not get the advantages of the pump mods or some other apply piston upgrades. IMHO, Not installing the remaining upgrade parts won't necessarily mean that those areas will fail. They were simply designed to reduce or eliminate the risk.