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Old 03-20-2017, 12:41 PM   #1
wagonfan00
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Default AW71L Accumulator Mod Issues

Just got the trans in the car and all buttoned up....But I have to manually shift it..or back my foot off the gas in order for the car to shift....No weird noises....There were only two check balls in the valve body while my aw71 i replaced had 4............should I take two check balls out and run just two in the aw71L?..I figured since the two trans are identical beside the lock-up torque converter i should be good to go. I'm searching the forums as we speak but any tips would be greatly appreciated I'm dying to drive this car...1988 745T
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Old 03-20-2017, 12:49 PM   #2
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did you get your kick down cable hooked up properly? Check the adjustment on the kickdown cable
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Old 03-20-2017, 12:54 PM   #3
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Originally Posted by libsk8r777 View Post
did you get your kick down cable hooked up properly? Check the adjustment on the kickdown cable
I've been fiddling with it....The little ball on the outside by the adjustment barrel is missing so I'm shooting in the dark...too tight or too loose? The car is in a yard not too accessible to me at the moment....
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Old 03-20-2017, 01:47 PM   #4
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So I got the car out....I loosed the cable and it still doesn't seem to want to shift into 2nd or third on its own......I don't hear the valve shutting in the trans that the kickdown is connected too....Just had it all apart and not really feeling like getting under the car at this point again but i may have too...
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Old 03-20-2017, 04:49 PM   #5
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Since the trans, prior to going in my car, was totally drained...could I have left over air in the system? It seems to be inproveing the more i drive it...
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Old 03-20-2017, 05:34 PM   #6
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If the transmission(valve body, lines, cooler, converter) were totally empty; chances are it is still working air out of the system. Check the fluid level and make sure it's not overfilled.
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Old 03-20-2017, 06:07 PM   #7
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doesnt sound like air in lines

there is no easy anwser here as you posted almost no info....
how was it before
did you replaced valve body gaskets
did you use instruction on rebuilt

and on and on
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Old 03-20-2017, 06:43 PM   #8
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Originally Posted by KeizerBrickGuy View Post
If the transmission(valve body, lines, cooler, converter) were totally empty; chances are it is still working air out of the system. Check the fluid level and make sure it's not overfilled.
It was overfilled then drained to normal level...might flush some fluid out later tonight and see if it helps.....the pull drain plug run trans replaced drain plug and fill method
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Old 03-20-2017, 06:45 PM   #9
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Quote:
Originally Posted by Jack View Post
doesnt sound like air in lines

there is no easy anwser here as you posted almost no info....
how was it before
did you replaced valve body gaskets
did you use instruction on rebuilt

and on and on
Replaced upper valve body gasket because original broke. No idea how it was before because it is a replacement trans.....and mechanic swapped it and told me of issues...I said I'm broke and drove it 30 miles home with no friggen OD....not my day and honestly don't have a ton of info for you in regard to transmissions past....
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Old 03-21-2017, 07:19 AM   #10
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Could I have messed up the valve body reassembly?...
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Old 03-21-2017, 09:00 AM   #11
740atl
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You can manually shift through all three gears?

Next time you're out there, pull on the kickdown cable... you should have about (just from memory. I may be wrong about the exact dimensions) about an inch or so of travel, then it stops, and with a bit more effort, it extends another 1/2 inch or so.

When I adjust mine, with the throttle closed, the cable tension is just a bit before it droops.

I'm thinking perhaps your cable fell off the spool inside the trans?
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Old 03-21-2017, 09:06 AM   #12
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Originally Posted by 740atl View Post
You can manually shift through all three gears?

Next time you're out there, pull on the kickdown cable... you should have about (just from memory. I may be wrong about the exact dimensions) about an inch or so of travel, then it stops, and with a bit more effort, it extends another 1/2 inch or so.

When I adjust mine, with the throttle closed, the cable tension is just a bit before it droops.

I'm thinking perhaps your cable fell off the spool inside the trans?
I thought that as well but i pull the cable out just as you describe...feel the extra bit when the kickdown switch is activated...The more I drive it sometimes it improves but other times hangs between gears until i get up enough speed to hold it in gear....I need to get the OD solenoid from the old trans....mental note...
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Old 03-21-2017, 11:46 AM   #13
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Overdrive band not installed correctly
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Old 03-21-2017, 12:13 PM   #14
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Quote:
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Overdrive band not installed correctly
How do I remedy this? I'm beyond unfamiliar with autotragic transmissions....only car I had it in was my 855 and that one surprisingly never blew up. Rest of my cars have been manual...
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Old 03-21-2017, 12:17 PM   #15
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Read the manual grasshopper
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Old 03-21-2017, 12:31 PM   #16
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Read the manual grasshopper
Grasshopper is and still lost
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Old 03-21-2017, 12:38 PM   #17
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dont get discouraged.
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Old 03-21-2017, 02:13 PM   #18
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Google didn't help either.....
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Old 03-21-2017, 03:23 PM   #19
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I can't keep going on this witchhunt for answers....the car is in the garage but I will be kicked out tomorrow. Anyone have any clues? I cannot find anything related to overdrive bands in the manual or google......aren't they clutch packs anyway?
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Old 03-21-2017, 04:58 PM   #20
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How many check balls are supposed to. E in the valve body for the aw71L? I can't find a definitive answer...the aw71 I removed had 4....the aw71l that went in had two originally....I stole two from the aw71....this is the only variable I keep coming to on this trans.....
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Old 03-22-2017, 08:39 AM   #21
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Do you have a copy of the manual? http://brickspeed.net/VolvoDocs/My-S...7x-Rebuild.pdf

page 101 4 check balls.


I still don't know if I understand what you're saying in your first post....
Quote:
There were only two check balls in the valve body while my aw71 i replaced had 4............should I take two check balls out and run just two in the aw71L?.
Did you put an aw71L in place of aw71? Did you put in the aw71L torque converter?
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Old 03-22-2017, 09:10 AM   #22
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Quote:
Originally Posted by 740atl View Post
Do you have a copy of the manual? http://brickspeed.net/VolvoDocs/My-S...7x-Rebuild.pdf

page 101 4 check balls.


I still don't know if I understand what you're saying in your first post....

Did you put an aw71L in place of aw71? Did you put in the aw71L torque converter?
Yes. The converter that came with the trans was used...and I didn't have that manual. Yeah I used a AW71L out of a 92 940, replacing the AW71 in my 745.
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Old 03-22-2017, 11:22 AM   #23
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Dropping the pan later tonight....I have a theory the kick down cable isn't retracting completely in the trans...I'll report back later after some beer and atf spillage
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Old 03-23-2017, 08:14 AM   #24
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Put t all back together and the SAME THING KEEPS HAPPENING!!! Would this happen if the wrong fluid was used? I'm going to drain and refill everything and see if that works.
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Old 03-23-2017, 08:49 AM   #25
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Did the transmission do this before you did the accumulator mod?
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