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Old 09-21-2016, 01:05 PM   #1
Racehlr's Avatar
Tiffin Owners Club
Nor'easters Club
Join Date: Jun 2009
Posts: 34
Towing a 15 3500HD Silverado

Can anyone confirm this. I have read the owners manual on dinghy towing my 2015 3500HD silverado duramax and it says the following:

Follow these steps to dinghy tow:
1. Position the vehicle being towed
behind the tow vehicle, facing
forward and on a level surface.
2. Securely attach the vehicle
being towed to the tow vehicle.
3. Apply the parking brake and
start the engine.
4. Shift the transfer case to
N (Neutral). See “Shifting into
N (Neutral)” under Four-Wheel
Drive on page 9-42 for the
proper procedure. Check that
the vehicle is in N (Neutral) by
shifting the transmission to
R (Reverse) and then to D
(Drive). There should be no
movement of the vehicle while
5. With the transmission in D
(Drive), turn the ignition to ACC/
Failure to disconnect the negative
battery cable or to have it contact
the terminals can cause damage
to the vehicle.
6. Disconnect the negative battery
cable at the battery and secure
the nut and bolt. Cover the
negative battery post with a
non-conductive material to
prevent any contact with the
negative battery terminal.
7. Shift the transmission to
P (Park).

If the steering column is locked,
vehicle damage may occur.
8. Move the steering wheel to
make sure the steering column
is unlocked.
9. Release the parking brake.
10. Keep the ignition key in the
towed vehicle in ACC/
ACCESSORY to prevent the
steering column from locking.

It states to put the vehicle in Park to tow it. Is this correct? or should the transmission be in neutral?

Has anyone towed a similar truck that can chime in?

Thanks in advance for any input.

Jim & Liana Poodiack
2008 Tiffin Phaeton 42QRH
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Old 09-21-2016, 01:21 PM   #2
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Join Date: Sep 2011
Posts: 1,630
We've been pulling our 1500 Silverado with the transmission in park for the past 50,000 miles and haven't had a problem. Only difference in the procedure we use is that we don't have to put the key in ACC as our steering column does not lock with the key removed.

2013 Tiffin Allegro Bus 43QGP
2011 Chevy Silverado 1500 Toad
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Old 09-21-2016, 01:25 PM   #3
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Join Date: Jun 2009
Posts: 34
Thanks for input.
Jim & Liana Poodiack
2008 Tiffin Phaeton 42QRH
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Old 09-21-2016, 01:38 PM   #4
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Join Date: Oct 2014
Location: Layton, Utah
Posts: 670
Yes, most vehicles are towed with the transfer case in neutral, and the tranny in gear or Park. The reason? To keep the turning of the transfer case output shaft from turning the transfer case input shaft and the tranny output shaft due to fluid friction. It would turn ever so slow, but the transmission output shaft gets its lube from the rotation of the tranny input shaft, and with the engine off, the tranny input shaft will not be rotating.
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Old 09-21-2016, 01:44 PM   #5
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Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 8,366
Transfer case to neutral - disconnects engine/transmission from drive train allowing free-wheeling.

Automatic transmission to park - to ensure no parasitic drag rotates transmission components that are not being lubricated (without engine running the pump in the front of the transmission is not pumping).
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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