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Old 07-12-2020, 03:47 PM #46
seatia seatia is offline
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seatia will become famous soon enough seatia will become famous soon enough
seatia seatia is offline
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Here is a cut and paste


Quote:
The transfer cases operated by a switch or button CANNOT be towed 4 down as they are in essence a clutch pack type design requiring internal pump pressure to operate.

The second type used by Toyota is a manually shifted two speed, high/low with neutral, design the same as found in many off road style vehicles. This design transfer case CAN BE towed 4 down in neutral.

One word of caution, Toyota does not certify ANY of it's vehicles to be towed 4 down behind a motorhome. That said the Toyota 4Runner TRD Edition with the manual shifted transfer case can be towed 4 down as long as you are willing to accept the loss of driveline coverage.

And before the X'purts start questioning the above, I spent 28 years with Toyota Motor Manufacturing, and retired as a senior vehicle design engineer.
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Old 11-13-2020, 10:42 AM #47
[email protected] brockristy@aol.com is offline
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Just one more question on the topic of towing 4 down...

I read the posts on towing a 5th gen 4Runner 4 down is bad because without the engine running no lubrication to the transmission, but what if the 4Runner engine is running at idle while being towed in neutral with the transfer case in neutral? Or does the transmission pump only engage when in drive? Thx for any info, just don’t have storage for a trailer..
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Old 11-13-2020, 10:54 AM #48
[email protected] brockristy@aol.com is offline
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To seatia

Also thx to seatia for the expertise, I got transfercase in neutral, what about the transmission? Neutral as well?
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Old 01-21-2021, 12:59 PM #49
DStamper DStamper is offline
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Quote:
Originally Posted by [email protected] View Post
I read the posts on towing a 5th gen 4Runner 4 down is bad because without the engine running no lubrication to the transmission, but what if the 4Runner engine is running at idle while being towed in neutral with the transfer case in neutral? Or does the transmission pump only engage when in drive? Thx for any info, just don’t have storage for a trailer..
In my experience you can Flat tow ANYTHING with the motor running. I've been doing it for 20 years. I had two vehicles that where 2wd-automatic that I pulled with my motorhome on vacations with Roadmaster mounts/towbar while leaving the motor running and towing many thousands of miles. One was a Ford Escort and the other Chevy Tahoe. It makes no since IMHO to spend money on pumps and Driveshaft disconnects when you can start the motor, put it in neutral and go. I start it up and it runs all day and burns very little fuel in 12 hours. Sometimes we overthink stuff!
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