Cable operated drive shaft disconnect device

Cable operated drive shaft disconnect device

Postby AngelEyes [OP] » January 5th 2011, 10:54pm

Hello,

I just bought a automatic transmission 2002 RWD Astro which I plan to drive to Argentina. Due to the length of the trip I not assuming the van will make it all the way without breaking down at least once. If it were to break down I would need a tow but in south america cars are typically towed with all four wheels on the ground, as seen with RVs towing small passenger cars. However in south america most cars are manual transmission, which are towable by this method.

Long story short, I dont want to burn out the automatic transmission from towing, so I looked around and I see RVers get around the problem of towing auto tranny cars but installing a cable operated drive shaft disconnect device. Has anyone installed one of these, or have an idea of the cost???

Thanks.
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Re: Cable operated drive shaft disconnect device

Postby Phantom » January 5th 2011, 11:15pm

Try googling

cable operated drive shaft disconnect device

I did and came up with many links , I'll let you decide what you want , I never tried that , let us know what you find out :)
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Re: Cable operated drive shaft disconnect device

Postby Dirk » January 5th 2011, 11:24pm

I'd save me the money and would just unbolt the rear U joint at the rear axle.
I's just 4 little bolts and 2 small brackets, tie the driveshaft firmly to the exhaust and you're good to go.
Towed a couple of friends this way, never had a problem.
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Re: Cable operated drive shaft disconnect device

Postby AngelEyes [OP] » January 6th 2011, 4:12pm

Thanks Dirk, I didnt know it was that easy. Ill do that.
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Re: Cable operated drive shaft disconnect device

Postby Big_kid » January 7th 2011, 4:13am

Make sure you secure the caps on the U-joint if you do. Don't want to lose one and all the needle bearings along the road.
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Re: Cable operated drive shaft disconnect device

Postby loopie » January 7th 2011, 8:45am

So we can flat-tow an AWD with only the rear driveshaft disconnected???
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Re: Cable operated drive shaft disconnect device

Postby Leeann_93 » January 7th 2011, 11:38pm

loopie wrote:So we can flat-tow an AWD with only the rear driveshaft disconnected???


No. You need to disconnect both driveshafts on an AWD to flat tow.
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Re: Cable operated drive shaft disconnect device

Postby loopie » January 8th 2011, 12:23am

D'OH! Had a dyslexic moment there...I thought the OP was asking about an AWD
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Re: Cable operated drive shaft disconnect device

Postby Gus_Mahn » January 19th 2011, 4:18am

I'd also wrap the two exposed caps with tape so they can't fall off.
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Re: Cable operated drive shaft disconnect device

Postby AstroWill » May 29th 2011, 11:35pm

The cable operated drive shaft disconnect is popular with the RV crowd because they have to do it constantly. Disconnect to tow, reconnect to drive, all multiplied by however many times they move their RV while wanting to tow the other vehicle.
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Re: Cable operated drive shaft disconnect device

Postby Zebediah III » May 30th 2011, 3:34am

AstroWill wrote:The cable operated drive shaft disconnect is popular with the RV crowd because they have to do it constantly. Disconnect to tow, reconnect to drive, all multiplied by however many times they move their RV while wanting to tow the other vehicle.


We see a LOT of them here. I don't think they are expensive either.
A lot of them are flat towing FWD/AWD's too. I wonder how that works out
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Re: Cable operated drive shaft disconnect device

Postby AstroWill » May 30th 2011, 3:30pm

On the RV sites they have lists of vehicles that can be flat towed. I never understood why we don't use manual transmissions as much here, i have always enjoyed the manual vehicles that I have owned.
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Re: Cable operated drive shaft disconnect device

Postby teazer » October 15th 2011, 4:18pm

Is it possible to fit a Blazer S10 front diff with cable operated disconnect? That way it would be possible to run 2WD when required and AWD in wet/slippy conditions? They have a simple selector shaft and sleeve gear that engages or disengages the right front shaft. I have not compared them to an Astro/Safari shaft to see what differences there are in width or fittings, but it looks like it might be feasible.
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Re: Cable operated drive shaft disconnect device

Postby Leeann_93 » October 15th 2011, 5:43pm

Yes. At least one member here has done so. Actually, one used the later pushbutton type.
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Re: Cable operated drive shaft disconnect device

Postby teazer » October 15th 2011, 6:15pm

That's good to know. I have a good S10 front axle that I'm cleaning up and was going to swap over the solid shaft from my dead safari diff, but now I'm thinking it may be time to upgrade to 2wd/AWD if that would help gas mileage even slightly.
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Re: Cable operated drive shaft disconnect device

Postby teazer » October 15th 2011, 6:27pm

I'm cleaning up the S10 diff and I just realized that the prop shaft flange is different to the one on our 91 Safari. Looks like I'll have to swap that over. On the S10 it's a yoke to take a U/J where the Safari is a flat plate with 4 holes.
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Re: Cable operated drive shaft disconnect device

Postby Evergreen00 » December 28th 2012, 4:32am

I hate to rain on your parade, but you can not drive to Argentina from the United States. There is no passable road from Panama to Colombia.

Should you get to Colombia you will need to get a passport for your van backed by insurance. This allows the the van to go from country to country with minimium hassle and assures the country that you are entering that the vehicle will not be sold there. The passport can be kind of pricey, but can be obtained from the auto club in Bogota. Check with the Colombia consulate for authorization before attempting entry into Colombia.

Additionally, the roads in many areas are pathetic or non existant. The Pan-American "highway" which goes form Colombia to Chile/Argentina is a dream by someone that has never seen a real highway. Be prepared in areas to get stuck in sand and have to pay the locals to manually push you out. The roads in Peru, Bolivia, Paraguay and parts of Chile and Argentina can be horrible. Trucks, in Peru, have this stupid habit of driving at night down the middle of the highway with or without lights, if the moon is out. You will go off of the road to avoid them or you will be dead. If you are involved in an accident irrespective of the circukstances you will be drug tested at your expense.

Additional info. Get all current road maps before you leave the US. Maps are very difficult to come by, any in many instances can only be obtained in the respective countries national capitol. The maps produced in the various countries end at the international boundry. Consequently a map of Ecuador will not show any items inside Colombia Brazil or Peru, even for one mile. So if you leave Colombia with only a Colombian map you will not have any idea where the next town is, where your next fuel is or restaurant.
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