2005-2007 4wd System Question.

[ksmike]

I am looking to buy a 2005 4Runner with Auto and a V8. I don't understand the 4 wheel drive systems in these. The 4wd selector knob says "H2" "H4" and "L4" but I have read on here and other places that the V8 four wheel drive system is full time all wheel drive. Is there a two wheel drive mode only on these with a V8?

Thanks,

 

[LTDSC]

V8 is full time 4 wheel drive. v6 is select-able.

 

[ksmike]

V8 is full time 4 wheel drive. v6 is select-


OK......so why is there an H2 position on selector switch?

 

[LTDSC]

V8 is full time 4 wheel drive. v6 is select-


OK......so why is there an H2 position on selector switch?

to select 2wd mode instead of 4lo or 4hi

 

[ksmike]

OK, got my answer. The one I was looking at was listed as a V8 and it was really a V6.


Now for a better question.

Is there a way to bypass or disconnect the AWD or full time function of the system?

On my 2001 Ford Explorer it has an Auto 4WD that would "engage" the front drive shaft when the system detected slippage. On the Explorer it could be bypassed with a switch to interrupt the voltage to the clutch in the transfer case. It makes the Explorer much more pleasant to drive by cutting down a lot of the vibration caused by system being engaged all the time.

Is there any such way to bypass the fulltime system in a V8 4Runner?

 

[JB.]

Is there a way to bypass or disconnect the AWD or full time function of the system?

On my 2001 Ford Explorer it has an Auto 4WD that would "engage" the front drive shaft when the system detected slippage. On the Explorer it could be bypassed with a switch to interrupt the voltage to the clutch in the transfer case. It makes the Explorer much more pleasant to drive by cutting down a lot of the vibration caused by system being engaged all the time.

Is there any such way to bypass the fulltime system in a V8 4Runner?

No, the full-time system is mechanical. It uses a lockable Torsen T3 center differential which is configured to run in a default 40/60 front/rear torque split to impart a little rear wheel drive feel and can shift torque a little bit either direction to compensate for reduced traction. The two systems are virtually identical except the V6 can disconnect the front differential to run in 2wd. The V8 lacks this but, to anticipate a frequently asked question, it actually makes the system a little more simple and there is no extra long term wear associated with the full time system.

 

[BlackWorksInc]

OK, got my answer. The one I was looking at was listed as a V8 and it was really a V6.


Now for a better question.

Is there a way to bypass or disconnect the AWD or full time function of the system?

On my 2001 Ford Explorer it has an Auto 4WD that would "engage" the front drive shaft when the system detected slippage. On the Explorer it could be bypassed with a switch to interrupt the voltage to the clutch in the transfer case. It makes the Explorer much more pleasant to drive by cutting down a lot of the vibration caused by system being engaged all the time.

Is there any such way to bypass the fulltime system in a V8 4Runner?

I don't know what it is about Domestic vehicles, but the 4WD systems seem to range from unpleasant to down right barbaric in quality and feel.

The Full-Time 4WD function of the V8 is identical to driving your V6 in 4Hi; and they drive perfectly fine and nice like that. There is no way to disengage it on a V8, but honestly you're only going to notice the system on a sharp turn if that. I have a V8 4WD Sport Edition and I have never felt a significant difference in terms of vibration and or civility between a V6 in 2WD or 4Hi.

 

[SSt4r]

/\

What he said.
I've driven some explorers with the auto 4wd & it was HORRIBLE. You won't even notice it in the 4runner. Enjoy.

 

[88mustanggt]

my 97 explorer 4wd auto set up was great only felt it come on on slick roads or getting it sideways on pavment, no vibrations. and I did put the switch on the brown wire as well to have the 2wd fun!!. my 06 se v8 doesn't like to play as well but is a lot more sure footed.