Rear Driveline Disconnect/Reconnect Noise? - Page 2 - Toyota RAV4 Forums
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post #11 of 141 (permalink) Old 02-25-2019, 09:36 PM
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Can anyone confirm the claim that DTV sport mode is AWD all the time?


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post #12 of 141 (permalink) Old 02-25-2019, 09:39 PM
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550 miles and no noise for me.


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post #13 of 141 (permalink) Old 02-25-2019, 10:30 PM
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https://newsroom.toyota.co.jp/en/powertrain2018/4wd/


From the link: (DTV) " features the world's first ratchet-type dog clutches"


That concerned me the first time I read it. I'm sold on Toyota quality, but "worlds first" can also mean not ready for prime time.


Can anyone verify that the 2019 Rav4 non-DTV AWD system is functionally the same as the 2018 models? Tried and true, proven over time, at least reliable if not bulletproof.
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post #14 of 141 (permalink) Old 02-25-2019, 10:55 PM
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Quote:
Originally Posted by YodaFJRav4 View Post
Can anyone verify that the 2019 Rav4 non-DTV AWD system is functionally the same as the 2018 models? Tried and true, proven over time, at least reliable if not bulletproof.
I've looked under two non-DTV 2019s and the mechanics looked the same as my '06 with an electro-coupler mounted on the front of the rear differential. I'm sure the 4WD ECUs are different but the driveshaft runs full time on all '06-'19 models.

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It's the pedal (or the handgrip) on the right!!


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post #15 of 141 (permalink) Old 02-25-2019, 11:02 PM
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Quote:
Originally Posted by YodaFJRav4 View Post
https://newsroom.toyota.co.jp/en/powertrain2018/4wd/


From the link: (DTV) " features the world's first ratchet-type dog clutches"


That concerned me the first time I read it. I'm sold on Toyota quality, but "worlds first" can also mean not ready for prime time.


Can anyone verify that the 2019 Rav4 non-DTV AWD system is functionally the same as the 2018 models? Tried and true, proven over time, at least reliable if not bulletproof.
I think the non-DTV system is mechanically the same or real similar to the 4.3 and 4.4 systems, but the ability of the system to brake and eliminate wheel spin on a wheel with no traction and send the power to the opposite side thru the open diffs to provide traction where it can be used is superior, see my report, I did the same test on the same bank with my '06 and '15 Rav4s, neither made it up the bank, the right front and left rear wheels would just spin helplessly forever, but the '19 XLE Premium made it up, the multi-terrain select system put the brakes on the spinning wheels and it went right up the bank.

https://www.rav4world.com/forums/197...ml#post2672525

2019 XLE Premium AWD
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post #16 of 141 (permalink) Old 02-26-2019, 12:29 AM
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Originally Posted by Quickdtoo View Post
I think the non-DTV system is mechanically the same or real similar to the 4.3 and 4.4 systems, but the ability of the system to brake and eliminate wheel spin on a wheel with no traction and send the power to the opposite side thru the open diffs to provide traction where it can be used is superior, see my report, I did the same test on the same bank with my '06 and '15 Rav4s, neither made it up the bank, the right front and left rear wheels would just spin helplessly forever, but the '19 XLE Premium made it up, the multi-terrain select system put the brakes on the spinning wheels and it went right up the bank.

https://www.rav4world.com/forums/197...ml#post2672525
That's definitely good news. And it looks like all 2019 non-DTV AWD models have the terrain selectors so they should all do similarly well, correct? From my FJ experience I know too that tires make a huge difference. Mine was so helpless in snow and mud that I replaced the OEM tires with Terra Grapplers after 8 months. Life was good after that.


I suppose if I really wanted to tow with a (non-Adventure) Rav4, the aftermarket could supply anything necessary. I'm sure others have done so with previous years.
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post #17 of 141 (permalink) Old 02-26-2019, 07:54 AM Thread Starter
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Originally Posted by Philosurfer View Post
Can anyone confirm the claim that DTV sport mode is AWD all the time?


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When I put my Adventure in Sport mode, the AWD is constantly engaged at all speeds, cruising or not.
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post #18 of 141 (permalink) Old 02-26-2019, 12:28 PM
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Originally Posted by YodaFJRav4 View Post
. And it looks like all 2019 non-DTV AWD models have the terrain selectors so they should all do similarly well, correct?
Yes, all gas models have Multi-Terrain Select, LE, XLE and XLE Premium have buttons, Adventure and Limited have a rotary knob, plus a DAC button. HVs only have a Trail mode button.

2019 XLE Premium AWD
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post #19 of 141 (permalink) Old 02-26-2019, 08:43 PM
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Iíve listened closely the last few days and it has been silent. I tried multiple modes. Nothing. I think OP has a serious problem.


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post #20 of 141 (permalink) Old 02-26-2019, 11:05 PM
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Good work guys on this topic. This is exactly what forums are for.

Does anybody know if the Hybrid also have the ratchet-type dog clutch system?

Or something completely different.



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