4x4 question

S

seans4R

New member
so i'm pullin my boat out the slip and left 4x4 H4 on allll the way home doing about 70 mph...

did i do any damage or just burn a lot of gas?

thanks!
 
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No damage at all. I am guessing your gas mileage probably was not hurt all that bad either (besides the fact you were pulling a boat.)

As long as you did not do anything to the DIFF, you are fine.

Remember, on the V8 with full time 4WD, it is 4HI all the time.
 
all is good then :)

i didn't think anything bad happened.. just wanted to be sure because i rarely need the 4x4 on FL streets and i just forgot it was on.

thanks for the help !
 
I agree with the folks who already posted. Most modern (I said *most*...) 4x4s can handle dry pavement and 4Hi just fine. Given that you didn't notice any binding while you were doing it - or else you would've prolly shifted back to 2WD - tells me you likely didn't do anything but give your 4WD system a little workout - no harm, no foul in all likelihood.

As for MPG, you prolly didn't lose that much since you already weren't towing in overdrive...right? Towing in OD will do you more harm than towing in 4Hi IMO.
 
i normally leave it in over drive since its a small aluminum boat... i probably really didn't need the 4x4 pulling it out of the slip... i'm just afraid of the algae growing on the ramp and the possibility of sliding. The ramp is quite steep. I have a 20 ft enclosed trailer and when i tow that beast i keep it out of overdrive. the boat on the other hand is easy to forget its back there.

right.. there were no awkward sounds. I just remembered the salesman saying keep it under 45 if you're 4x4 but maybe he meant switching into 4x4 while moving.
 
The 4Runner has what Toyota calls "multi-mode 4WD", which has a center diff so that it's OK to use the 4WD on dry pavement.

Believe it or not, the current Tacoma still has the older-style 4WD that you shouldn't use on dry pavement.
 
seans4R said:
i normally leave it in over drive since its a small aluminum boat... i probably really didn't need the 4x4 pulling it out of the slip... i'm just afraid of the algae growing on the ramp and the possibility of sliding. The ramp is quite steep. I have a 20 ft enclosed trailer and when i tow that beast i keep it out of overdrive. the boat on the other hand is easy to forget its back there.

right.. there were no awkward sounds. I just remembered the salesman saying keep it under 45 if you're 4x4 but maybe he meant switching into 4x4 while moving.
Click to expand...

Toto is 100% about the multimode 4wd. If the center diff lock is NOT locked (button to the left of the steering wheeel) you can drive it on the pavement in 4wd. You can use 4lo on the pavement too, super sweet for a boat ramp and a larger boat.

The is no speed limit for 4hi. The only speed limit is that it must be engaged lower than 62.5mph (100kph). You can go 4hi to 2wd at any speed.

Read up on it, it's one of the coolest 4wd out there. It offers the flexability and refinement similar to a high tech AWD and all the utility of an 'old school' part-time 4wd.

Your T4R is cooler than you know:bigok:
:cheers:
 
whats the best place to read up on it.. besides the owners manual :)

btw: this is my first 4x4 vehicle. i want to make sure i use it right! lol
 
good read thanks..

so if i'm pulling a small boat out, just use 4HI, and don't lock the differential..

if i'm pulling a large boat out, use 4LO, and don't lock the differential.

the way im reading it only lock if i'm off roading and need traction while turning... correct?
 
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