Landie Defender in Colorado

LRNAD90

Adventurer
Dmarchand said:
Solid axle. No way to disengage the TC of diffs.

Transfer case can be put into neutral, but as long as both axles are on the ground, I still don't understand the issues. I'd like to know if there is an issue, but I need help in understanding. It seems to me that it would not be any harder on the driveline to spin on the towbar, then it is under power from the engine? The lubricating oil is still there, and the components are still 'splash' lubricated, so if you could help with a more detailed description of why it is bad, that would be appreciated. Thanks.
 

MuddyMudskipper

Camp Ninja
Best4x4xfar said:
Transfer case can be put into neutral, but as long as both axles are on the ground, I still don't understand the issues. I'd like to know if there is an issue, but I need help in understanding. It seems to me that it would not be any harder on the driveline to spin on the towbar, then it is under power from the engine? The lubricating oil is still there, and the components are still 'splash' lubricated, so if you could help with a more detailed description of why it is bad, that would be appreciated. Thanks.


x2

Dmarchand said:
yikes. Tow bar mileage. Run away.

Please explain.

From what I understand putting the TCase in neutral is a common practice with folk pulling Jeeps and Samurais behind motorhomes. It doesn't seem to harm those vehicles.
 

kcowyo

ExPo Original
Flat towing an auto tranny = bad
Flat towing a manual tranny = ok


Can't say with LR's for sure, but with most other brands the front end components of manual transmission vehicle will still receive the lubricating oil as mentioned previously. That's not the case with automatic transmissions.

At least that is my understanding with flat towing a 4wd vehicle.
 

Martinjmpr

Wiffleball Batter
kcowyo said:
Flat towing an auto tranny = bad
Flat towing a manual tranny = ok


Can't say with LR's for sure, but with most other brands the front end components of manual transmission vehicle will still receive the lubricating oil as mentioned previously. That's not the case with automatic transmissions.

At least that is my understanding with flat towing a 4wd vehicle.

If the TC is in neutral the transmission should be fine, right?
 

Michael Slade

Untitled
This is how I've been told you're supposed to flat-tow a LR:

Manual Transmission - 4th gear engaged (or highest gear attainable)
T-case - neutral

The gears in the transmission need to be spinning at least somewhat to splash enough oil around the gears. If the transmission is in neutral, just the mainshaft is spinning and isn't getting any oil to the gears.

This is an 'off-the-top-of-my-head' explaination of what Timm Cooper told me to do when I flat towed my '53, which has an LT-95 in it. I've always towed it like that and haven't had any problems. He stressed NEVER EVER tow with the transmission in neutral, but to have it engaged in 4th gear (in my case), and to have the t-case in neutral.

YMMV...
 

kcowyo

ExPo Original
Michael Slade said:

:iagree:

After some light reading on the subject (on the all knowing internet...:rolleyes: ) it seems Jeep, Toyota and GM do not recommend flat towing a 4wd vehicle. I couldn't find anything particular to LR's.

There are a lot of descrepencies out there though. For instance, you can flat tow a RAV-4, but not a Highlander. You can flat tow a manual Wrangler, but not an automatic Grand Cherokee, etc. etc. etc.

What popped up over & over was to not flat tow a vehicle with AWD or fulltime 4wd. The inability to put the t-case in neutral can cause a variety of costly problems.

The one thing I learned from this reading is there is a ton of contradictory info out there. A call to a dealership service dept for specific vehicles may be the safest bet.
 

zimm

Expedition Leader
im thinking the reverse torque theory is bogus. i engine brake all the time. especially with a heavy load.
 

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