4wd

[slim]

Could Have A Split Vacume Line!!!

[crazydonna5]

tried the pipe thing, nothing happened. put it in low, in neutral, with handbrake on , then put it into drive and i felt a sudden jerk without touching the throttle

[fraser]

iam having the same problem at the mo i hav tried evrythink and still not working. there must b sum1 who can solve it!!!!

[mrsurf]

had same problem mine was the vacume pipes works fine now`

[mrsurf]

could be 4x4 ecu or solanoide but vecume pipe is first thing to play around with` then the wire leading to the switch on the stick under the plastick cover

[crazydonna5]

when all 4 wheels are jacked up, 4wd engaged, rear wheels go round but the front wheels stay still, but front pop shaft goes round, there is no noise .is it the diff that is broke?

[MattF]

The ADD system ain't working for some reason. Electrical or vacuum problem.

[crazydonna5]

what is ADD? so that means it isnt the diff? and what sort of electrical or vaccum problem could it be, sorry for all the questions but i got a mechanic looking at it this week and he wants an idea on where to look.

[MattF]

what is ADD? so that means it isnt the diff? and what sort of electrical or vaccum problem could it be, sorry for all the questions but i got a mechanic looking at it this week and he wants an idea on where to look.

http://www.toyotasurf.asn.au/techsite/add.htm

[crazydonna5]

thanks very much, very useful

[BUSHWHACKER]

Behind the vertical plastic panel, in front of the gearlever surround, and under the ashtray/cigar lighter, there is a black box that contains all the electronics for the ADD system, you should hear it click when the 4wd button is pressed on the short transfer lever. Maybe the problem is to do with that box.

[Bobby Doc]

Has it had manual hubs fitted that you don't know about?

[crazydonna5]

no manual hubs, but is there anyway of overriding and putting in free wheeling hubs, local toyota garage says they know nothing of surfs, at wits end now, getting to stage i wanna sell!

[Sancho]

is there anyway of overriding and putting in free wheeling hubs

Yeah, leave it in 2wd.