A413 Gear Selector Shaft won't turn - Turbo Dodge Forums : Turbo Dodge Forum for Turbo Mopars, Shelbys, Dodge Daytona, Dodge SRT-4, Chrysler PT Cruiser, Omni and more!
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post #1 of 9 Old 07-28-2019, 12:51 PM Thread Starter
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A413 Gear Selector Shaft won't turn

Howdy all!

Have had an issue where the gear shift lever in the floor console shifts abnormal. Doesn't click fully upwards parallel into P and subsequent gears (R-N-D-2) click about 1/2" below the console indicators. Will not even click into 1. Took the console cover off & was able to click it into 1st. The few times that I've driven the car have had problems with it going into reverse (takes about 4 to5 seconds to engage). I haven't driven the car fast enough where I could feel if it was shifting through the gears normally or not.

All that I've done to the AT is change the filter, fluid (ATF+4), the gear shift cable & the throttle cable. When I did this I checked the gear selector shaft lever and it did turn from what I thought at the time was normal, from P to 1. I also did adjust the kickdown & low-reverse bands...

Yesterday I decided to try to resolve the issue of the console gear shift lever so I disconnected both cables from the top of the AT. The TV shaft only rotates 1/8" in the selector shaft and the selector shaft will not bulge at all!

I think what I need to do is drop the pan & pull the valve body and possibly also the governor. I'm a noob at this but I'm assuming that dirt/debris has caused some valves to get stuck and because of this the shaft(s) won't turn???

Please advise if I'm on the right course with this and any recommendations you may have such as what I need to watch for and should or shouldn't do.

Really appreciate any help!
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post #2 of 9 Old 07-30-2019, 11:55 AM
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Re: A413 Gear Selector Shaft won't turn

I am not a trans guy but one of my "pet peeves" on this site is "unanswered threads".

This is the best I can do for you, Good Luck!!!
















Jan
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post #3 of 9 Old 07-30-2019, 12:19 PM Thread Starter
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Re: A413 Gear Selector Shaft won't turn

NAJ
As always many thanks for your response and help!

I do have the FSM for my year but like the above images it doesn't go into any detail regarding the shafts.

This is why I was hoping someone with AT experience would respond with some pointers.

When I tested the gear selector shaft before replacing the cables the engine was off.

What's puzzling to me is that it would shift while the engine was running but now, with the engine off and the cables disconnected, the gear selector shaft won't bulge nary a bit! This is why I'm thinking that the governor and probably for sure the valve body have stuck valve(s)...
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post #4 of 9 Old 07-30-2019, 12:22 PM
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Re: A413 Gear Selector Shaft won't turn

At the least drain and remove the pan and take a look inside while attempting to move the shift lever.
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post #5 of 9 Old 07-30-2019, 12:44 PM Thread Starter
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Re: A413 Gear Selector Shaft won't turn

No drain on the AT. It's going to be messy when I loosen the pan but I gotta do what I gotta do.

A little voice told me to use a cork gasket when I originally changed the filter. At least I won't have to deal with scrapping off the old RTV!

Might as well order a new filter & screens and hope that will be all that I'll need...

Thanks!
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post #6 of 9 Old 07-31-2019, 10:18 AM
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Re: A413 Gear Selector Shaft won't turn

The only drain I have ever seen on a trans pan was on the Jeep Cherokees (up to 2002) with a 4.0L and the Asian Borg-Warner Trans.

Other than that it has always been remove bolts from one side, and slowly loosen the bolts on the other side to allow the pan to slowly drop and drain into a pan or oil drain.
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post #7 of 9 Old 08-11-2019, 05:58 PM Thread Starter
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Re: A413 Gear Selector Shaft won't turn

Update on my progress:

Finally dropped the pan and removed the valve body. Used a can of brake cleaner to degrease it, spraying in any orifices to clean out any ATF . There was still a black film on it so used 1/2 can of acetone with a toothbrush to clean it further.

Found that now I could move the gear selector shaft by hand!

Took it inside to the good ol' kitchen table & this is what I found:

Pic#1 Not a good omen of things to come! Valve Body screws with black goo on them.
Pic# 2, 3 & 4 Opened Valve body up & found this. More black goo in the passages.
Pic#5 Old & new oil screen. The old one had even ruptured on the side!

After seeing this Snafu I definitely need to pull the governor as it's probably Fubar also.

So this is where I'm at now with the shifting issue. Need more brake cleaner to clean this mess up.

Will update further...
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post #8 of 9 Old 08-20-2019, 06:22 PM Thread Starter
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Re: A413 Gear Selector Shaft won't turn

Update on Valve Body A413

Finally got the valve body cleaned up & reassembled. Some of the small channels & metering holes were definitely clogged with black goo!

Found using thinner cleaned the black film & goo better than brake cleaner & acetone. However I rinsed everything with acetone to remove any thinner residue.

The manual valve had an issue in that it was sticking in the bore when the shift lever tried to move it into 1st gear or maybe it's Park? This could have been why the floor console shift lever would not go all way into "P". A light sanding with some 2000 grit sandpaper on the end ring of the valve seemed to cure the problem.

Reassembled everything after coating the valves and any moving parts with ATF. Didn't forget it's new filter!

All ready to reinstall but the governor needs attention first! Too dang hot (100F) to do it now but should cool down to mid 90's in a week or so, I hope...
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post #9 of 9 Old 08-21-2019, 08:37 AM
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Re: A413 Gear Selector Shaft won't turn

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