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Vacuum shift actuator replacement?

Started by Softbuster, July 15, 2012, 06:25:32 PM

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Softbuster

Well the Vacuum shift actuator thing on my eagles transferr case does not shift anymore.  I did convert it to shift on the fly (using a hose clamp and removing the vacuum lines on the front axle).
It worked great for a while but now the actuator at the t-case is just stuck, I took it off and it is just not moving anywhere.   

SO... my question is, can I remove the actuator at the front axle and use it at the t-case and use something else to keep the front axle engaged?

I found THIS on summit racing website for jeeps to keep a dana 30 locked in all the time.  SHOULD work just fine for an eagle.   http://www.summitracing.com/parts/POS-1100/?rtype=10

Unless someone knows where to get a new actuator?? or has one I can buy?????
1985 Eagle sedan rescue project

midtownboarder

not sure if this would apply in your case, but would this work to keep in engaged all the time?

http://emeraldgreen97.wordpress.com/2011/03/08/renix-era-dana-30-vacuum-disconnect-mod/
81 sx/4 - stock...
82 sx/4 - restore project...
81 sx/4 - crawler project...
99 xj - 6.5" lift, 35" km/2's, locked, etc...
95 pathfinder - daily driver...

Jurjen

"sparrows fly in flocks, eagles fly alone"

Eagle Wagon Limited 1983, Citroen C-Crosser 2010, Triumph Bonneville 1969, Yamaha XJR1300 1999, Yamaha TX750 1973

https://www.youtube.com/watch?v=Tf0jpiW6tRI

Click for Leeuwarden, Netherlands Forecast" height="90" width="160

Softbuster

1985 Eagle sedan rescue project

Softbuster

the question I have is can i remove the actuator from the assembly and keep that retaining pin in place for the shift fork???  or is it all one piece?
1985 Eagle sedan rescue project

mudkicker715

Yes it can stay ingaged all the time. i was waiting for someone else to answer you. i have done it i have another i shift to 4wd when needed by manually shifting it.



Manitowoc WI

Softbuster

I would like to get it to work properly so that I can sell the Car.
That Is why I would like to retain the shift ability of the transfer case via the original switch.

Can I somehow remove the vacuum actuator from the front axle assembly and use it on the transfer case???
1985 Eagle sedan rescue project

thereverendbill

tomarow I will be in the salvage yard I like to frequent ..... if you want me to i can get one off of one of the sedans there
1980 Eagle 2 door sedan (future solid axle swap)
1981 Eagle Kammback (restoration in progress)
1983 SX/4 SOLD
1983 Eagle Limited wagon  *For Sale* SOLD
1988 Jeep Comanche Pioneer (daily driver)
Click for YOUR TOWN, STATE Forecast" border="0" height="100" width="150

another amc forum
www.amcevolution.com

philotomy

yeah I just realized before my trans install (attempt) that mine had quit moving/froze up.Happy to see it's available but not at that price,guess I'll stick with manual shifting until I can track down a cheaper replacement.
Philotomy,(my old  D+D Hobbit character) noun,pronounced "fil oto mee",but you can call me Don
1987 Eagle station wagon 4.2 mpfi

85AmCfreak

Quote from: Jurjen on July 16, 2012, 01:31:06 PM
You can buy the actuator for Shift on the Fly here:
http://www.teamgrandwagoneer.com/cgi-bin/partsSQL/search.cgi?query=vacuum&catid=

OMG I bought that exact part from that site about 4 or 5 years ago for 50 dollars talk about a mark up.
I Don't know why. But everybody's always talking about their STI or That guys EVO, I think I'll stick with my old, but reliable AmC. Did I ever tell you I was Full blooded Eagle?

txjeeptx

Your question: Can I somehow remove the vacuum actuator from the front axle assembly and use it on the transfer case???

The actuator on the front axle is different enough, mounting-wise and actuator-shaft-wise, to not be easily adapted to use it on the transfer case.

If any of your local salvage yards have any full-size Jeep Grand Wagoneers that were equipped with Selec-Trac, then they have a shift actuator that you could use.

The TeamGW price is obscene, but they are a specialty company, and can charge whatever they think they'll get from someone doing a perfection-restoration on a full size Jeep. The prices for FSJs in good shape are obscene, too, at least from the two FSJ-only dealers here in TX. Its a shame they have a role in the inflated prices of parts like the one you need.

The auction sites might have what you need, try searching for Grand Wagonner transfer case vacuum shifter. There are enough of them out there that someone is bound to be selling that part ,if you can't find it by searching for a listing specific to Eagle.
'82 Eagle SX/4 "Golden Eagle", '89 YJ 2.5L '93 MPI-converted rock-crawler, '79 Jeep Cherokee Golden Eagle "FSJ", 'o7 F150 Supercrew FX/4 daily driver

Softbuster

Ok thanks for the Info.

I
Quote from: thereverendbill on July 16, 2012, 10:10:06 PM
tomarow I will be in the salvage yard I like to frequent ..... if you want me to i can get one off of one of the sedans there

so am I a day late for you to grab one for me???
1985 Eagle sedan rescue project

thereverendbill

Quote from: Softbuster on July 17, 2012, 07:36:22 PM
Ok thanks for the Info.

I
Quote from: thereverendbill on July 16, 2012, 10:10:06 PM
tomarow I will be in the salvage yard I like to frequent ..... if you want me to i can get one off of one of the sedans there

so am I a day late for you to grab one for me???
I thought I'd have the cash to head over there today but as fate would have it I have to wait another day or 2 to head over ....... I'll grab as many as i can find
1980 Eagle 2 door sedan (future solid axle swap)
1981 Eagle Kammback (restoration in progress)
1983 SX/4 SOLD
1983 Eagle Limited wagon  *For Sale* SOLD
1988 Jeep Comanche Pioneer (daily driver)
Click for YOUR TOWN, STATE Forecast" border="0" height="100" width="150

another amc forum
www.amcevolution.com

85AmCfreak

Is there a way to replace this vac motor with an electric motor?
I Don't know why. But everybody's always talking about their STI or That guys EVO, I think I'll stick with my old, but reliable AmC. Did I ever tell you I was Full blooded Eagle?

thereverendbill

Quote from: 85AmCfreak on July 18, 2012, 05:46:52 AM
Is there a way to replace this vac motor with an electric motor?
I have been thinking the same thing ..... i am leaning towards trying a GM power lock motor once I take possession of the  4 door sedan i am purchasing 
1980 Eagle 2 door sedan (future solid axle swap)
1981 Eagle Kammback (restoration in progress)
1983 SX/4 SOLD
1983 Eagle Limited wagon  *For Sale* SOLD
1988 Jeep Comanche Pioneer (daily driver)
Click for YOUR TOWN, STATE Forecast" border="0" height="100" width="150

another amc forum
www.amcevolution.com

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