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1Gen-SequoiaGeneral discussion forum for the first generation 2001 to 2007 Toyota Sequoia.
This is a discussion thread titled "damage caused by 4wd at 70 mph", within the 1Gen-Sequoia forum, part of the SUV Forums category.
I realized this morning when I was leaving for work that the 4wd was still engaged in high. Yesterday I probably put about 10 miles on my 2005 Sequoia at speeds of around 70 mph on the freeway. I know it's dumb - but the car runs ok and the 4wd system seems ok.
Other that saying this was a stupid thing to do - does anyone have any idea if I might have damaged something. I know that the recommeded speed limit for 4wd is 62 mph. I just has all of the transfer case fluids changed last week at the dealership as part of my 30k checkup.
I have a 2001 Tacoma that we drive OFFROAD @ over 90mph thru the desert.
The trans and transfercase are stock. Never had a problem.
Its not a good idea to drive it like that on the STREET, but it wont hurt anything for short busts (10 miles), and probably wont hurt anything if longer. Just dont make a habit out of it.
You'll be just fine
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Yeah I Picked Up My Lil Sister And Went Through A Drivethrew For Her And She Turned On My 4wd Didnt Notice To Dashindicator Until 5 Later And Reached Speeds Of 70+ No Problem. And That Was 115,ooo Mile On It. So I Think Your Safe. These Sequioias Are Bullit Proof.knock On Wood.
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2001 TOYOTA SEQUOIA 4X4 LIMITED BLACK W/TAN
1991 TOYOTA PICKUP 4X4 FIBERGLASS FENDERS BED SIDES AND HOOD
1989 TOYOTA SUPRA WITH LS1 AND T56(STILL UNDER CONSTRUCTION)
The "recommended" top speed in 4wd is 62mph, but it's a selectable part-time system. That means it's meant for highway use, unlike the old part-time systems.
If you tried shifting INTO 4wd at that speed it wouldn't be happy with you (and would hopefully not engage). Top speed I've been able to engage/disengage at is about 50-55mph.
If you had the center locked at that speed (or for ANY length of on-road driving) you would notice the tires "scrubbing" around corners and could do some damage.
The system was intended to be driven at speed, on-road in 4WD so long as the diff is not locked.
you should not use 4wd on pavement even if it rains (its only intended to be used off hard surface)
I think it is much safer in 4wd when slipery. I had a 04 VW Tourage AWD before the Toyota and AWD rocks in rain. Does it say not to use 4wd when raining?
The system was intended to be driven at speed, on-road in 4WD so long as the diff is not locked.
You're fine.
-G
the sequoia's has a center diff lock. so when you engage the 4wd system without the center lock on, it's just like an AWD system.
Quote:
Originally Posted by tinik
you should not use 4wd on pavement even if it rains (its only intended to be used off hard surface)you should not use 4wd on pavement even if it rains (its only intended to be used off hard surface)
the newer vehicles has a center lock diff. so when you don't engage that, it is just like having an AWD vehicle. some 4 runners are all time 4wd and they drive just fine.
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05 Salsa Red Pearl DC
01 Honda Civic
95 Acura Integra
I used to drive an old '87 Toyota P'up, and once while off-road I had to disappear quick. The property we were on turned out to be private military property. So I had no time to disengage 4wd, hit the pavement, and screamed up to 65+. The MP's in their little jeep either couldn't see me from the dirt I threw on their windshield or they just gave up chasing me. I got home and took it out of 4hi and quickly sprayed her down. I loved that little beater.
sorry for dragging offtopic, but I had to tell that story again.
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damage caused by 4wd at 70 mph
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