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1-2 shift accumulator replacement

1-2 shift accumulator replacement

Postby Sierrarreis01 [OP] » Jan 05 2013, 4:25am

06 sierra with a 4L60E transmission with hard shift from 1st to 2nd. Diagnosed as bad 1-2 shift accumulator. Thinking about replacing it myself. Does the valve body need to be removed to replace the 1-2 shift accumulator? Is this something a person with moderate auto repair skill can accomplish?
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1-2 shift accumulator replacement

Postby Machster69 » Jan 05 2013, 4:34am

ImageUploadedByTapatalk1357356674.936486.jpg
Give u an idea. You should really ask masterm88... He does this for a living!
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Re: 1-2 shift accumulator replacement

Postby Sierrarreis01 [OP] » Jan 05 2013, 4:42am

thanks!
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Re: 1-2 shift accumulator replacement

Postby masterem88 » Jan 06 2013, 1:02am

This is very easy to do for even your novice do it yourselfer. Remove pan. Be cafeful and do not pry pan. You will have to remove shifter cable out of bracket and bend shifter arm brack towards driveshaft a littke to make life alot easier in removing the pan. Then remove filter by wiggling and straight down pull from front or else you could crack the neck of filter. Then remove the 3 10mm headed bolts from 1-2 accumulator. There is just a spring and a piston with an outer seal on it. These springs are known for breaking. Just visually inspect and ck your local dealer or trans shop for replacement parts as needed. Remember that the cupped part of the piston goes IN the housing and not facing up. Just remember the spring sits in this cupped part. 1 bolt is longer than other 2 which will be obvious by the way the accumulator housing is. When installing torque to 110 inch lbs. Id install new filter and pan gasket and fluid. Torque pan bolts to 100 inch lbs bend bracket back and reinstall shifter cable. Average joe should be able to finish in 2 hours not including going to get parts and questions along the way just ask
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1-2 shift accumulator replacement

Postby Machster69 » Jan 06 2013, 1:19am

His ears were burning :D
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Re: 1-2 shift accumulator replacement

Postby Sierrarreis01 [OP] » Jan 06 2013, 1:39am

I'm gonna give if a try next weekend. Many many thanks guys! I'll let you know how it went.
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1-2 shift accumulator replacement

Postby Machster69 » Jan 06 2013, 2:12am

Maybe some pics and tips for future searchers?
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Re: 1-2 shift accumulator replacement

Postby roosclan » Jul 11 2014, 4:24am

Future searchers like me!

Yes, I'm resurrecting a dead thread, but the '03 I'm hoping to buy has a hard shift from 1-2 and smooth shifting in every other gear -- cold or warmed up. I'm having a hard time finding the part, and provided I locate it, having pictures would be very helpful to a visually-oriented driveway mechanic like me.

EDIT: OK, this looks different from the TSB about the accumulator valve replacement, talking about removing the valve body. What am I missing?
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Re: 1-2 shift accumulator replacement

Postby coryforsenate » Feb 11 2015, 6:08pm

Machster69 wrote:
ImageUploadedByTapatalk1357356674.936486.jpg
Give u an idea. You should really ask masterm88... He does this for a living!



I hate to bump an old thread, but I've been searching a lot and I can't find a diagram that shows the location of all 3 accumulators. I'm specifically looking for the 3-4 accumulator location. I've found lots of pictures of 3-4 accumulators, but just the part after it's been removed.
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Re: 1-2 shift accumulator replacement

Postby coryforsenate » Feb 12 2015, 5:51am

Nevermind, I found this video of a valve body disassembly and the 3-4 accumulator is opposite the 1-2 accumulator.

https://www.youtube.com/watch?v=w-GCQER9uCc
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