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Discussion Starter · #2 ·
Trouble posting this...Removing accumulator valves on my A243L tranaxle and having problems removing the third piston Suspect the spring is broken. FSM says to blow air into the passage and it should pop out... no luck wondering if a small suction cup would be enough to pull it out. Can push it in a short distance but it will not fall out.
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Discussion Starter · #4 ·
:rolleyes: I do have the FSM for the tranny.....I was blowing in the wrong holeo_O
B2 popped right out, almost too easily. All the springs are good which is a somewhat disappointment cuz I was looking for something major. Anyhoo the 0 rings on all the pistons are flattened so I'll get a set of those. Thanks to you I have the part numbers for B2, just have to get the others. In a way I guess I lucked out.
While blowing out all the passages more gunk came out, sorta like black graphite, sticks to everything. Me thinks the PO added some "fixer" at some time. I have about 6 quarts of blackened foggy fluid in two milk jugs. Good time to clean up the mess. Perusing the "net" sounds like leaky 0 rings can cause the 1-2 shudder also. I can get it put together and test drive before any snow flies..
 

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The accumulator are designed to
  • cushion the shift by providing a spring place for fluid to go when the shift occurs and to ease the shift by applying a gradual increase of pressure
  • aid in timing the shift by nature of the fluid pressure as driven by engine speed

The 1-2 accumulator gets the most abuser as it is always used and experiences the most jackrabbit abuse.

Leaks (boring failure, cracked piston, etc) lead to harsh shifts due to a delay in shifting. Broken Springs, depending on the design, can cause early/late shifts and/or damage elsewhere in the system as there is no fluid cushioning.

For high volume trannys (gm ford), there are lots of write ups for this era of trannys on their accumulations, springs etc as well as performance improvements via changes to springs, valves etc.

As for your discolored fluid, uh oh, your clutches might be going.

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Discussion Starter · #6 ·
Contacted my local stealership with a complete parts list with numbers that I need for the accumulator rebuild. Nothing heard from them in the past three days. Is there an on-line warehouse to get these parts from? Most websites are dealerships. I contacted one and they said to go to my local.











35423

PISTON, B-2 ACCUMULATOR

35423-32010​



1​




35423A

SPRING, COMPRESSION (FOR B-2 ACCUMULATOR PISTON)

90501-16111​

LWR​

1​




90501-26048​

UPR​

1​




35423B

RING, O (FOR B-2 ACCUMULATOR PISTON)

90301-22185​

UPR​

1​




90301-29187​

LWR​

1​




35424C

PISTON, C-1 ACCUMULATOR

35424-20010​



1​




35424D

SPRING, COMPRESSION (FOR C-1 ACCUMULATOR PISTON)

90501-23058​

INNER​

1​




90501-23065​

OUTER (08/1990 - 12/1991)​

1​




90501-23079​

OUTER (09/1989 - 07/1990)​

1​




35424E

RING, O (FOR C-1 ACCUMULATOR PISTON)

90301-29187​



1​




35425A

PISTON, C-2 ACCUMULATOR

35425-12020​



1​




35425B

SPRING, COMPRESSION (FOR C-2 ACCUMULATOR PISTON)

90501-23111​



1​




35425C

RING, O (FOR C-2 ACCUMULATOR PISTON)

90301-23194​

UPR​

1​




90301-29187​

LWR​

1​




35426D

PISTON, C-3 ACCUMULATOR

35426-12020​



1​




35426E

SPRING, COMPRESSION (FOR C-3 ACCUMULATOR PISTON)

90501-23050​



1​




35426F

RING, O (FOR C-3 ACCUMULATOR PISTON)

90301-20002​

UPR​

1​




90301-29187​

LWR​

1​




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Whatever it Takes Transmissions

And

Transtar industries

Are parts distributors for tranny shops, machine shops etc. They have online catalog for parts lookups I took a look at Transtar, and they show an accumulator kit with your parts as 67925D.

When looking around for parts, look for A240 for the transmission model.

Sent from my Pixel 5 using Tapatalk
 

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Discussion Starter · #8 ·
Whatever it Takes Transmissions

And

Transtar industries

Are parts distributors for tranny shops, machine shops etc. They have online catalog for parts lookups I took a look at Transtar, and they show an accumulator kit with your parts as 67925D.

When looking around for parts, look for A240 for the transmission model.

Sent from my Pixel 5 using Tapatalk
Whatever it Takes Transmissions

And

Transtar industries

Are parts distributors for tranny shops, machine shops etc. They have online catalog for parts lookups I took a look at Transtar, and they show an accumulator kit with your parts as 67925D.

When looking around for parts, look for A240 for the transmission model.

Sent from my Pixel 5 using Tapatalk
Wit got back to me right away and I spoke with their rep. They only would sell a kit which is ok but they do not have one available or even a refurbish. SOL but good to know they are cooperative.

Thank you. I have sent contact information to both of them.
 

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Try amayama.com for parts. The individual parts like spring, accumulator where used in many transmissions, most in Japan and up thru 2002.

Also, try Russian sites, the eastern side imported many Japanese autos due to proximity and thus created a parts market.

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Discussion Starter · #10 ·
I sent all the part numbers to Amayama and it seems like a positive. With locations in Japan, Russia, Australia, and UAE they should have the individual parts or a kit.
Thanks for the info, much appreciated. Shipping will probably be more that part total :D
 

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Discussion Starter · #11 ·
Amayama priced one 0 ring for B2 @ $4. and shipping @ $30+. I went to my local Toyota dealer and managed to get the 0 rings ordered - 5 of them for $20. I did order the B2 spring from Japan $4.+ for the spring and $29.+ shipping and handling.
 
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