4x4 help

1980-1986 Datsun 720 forums. All 720-specific topics and discussion can be found here.
marmstrong35960
Posts: 10
Joined: Wed Nov 23, 2011 5:42 am
Car: 85 720 4x4 32/12.50/15
Lightbar. Net tailgate
Brush guard. step tubes

Post

85 720 4x4 hubs feel like they lock when I turn them can grab front drive shaft and try to turn the rear moves and the Cv shafts move this was with all 4 Tires on the ground any help would be appreciated need to fix quickly on way to get off this mountain if it snows


User avatar
Rev_D21
Posts: 5946
Joined: Sun Jan 12, 2003 9:49 pm
Car: 1986.5 D21 LB HD 2WD V6 5Speed
1991 D21 Reg 2WD Auto
1995 D21 Reg 2WD 5Spd
1996 D21 Reg 4WD 5Spd
2012 Versa 1.6S 5-Speed
Location: Somwhere in Western NY
Contact:

Post

Sounds like the hubs are not engaging at all if you can still spin the shafts.

marmstrong35960
Posts: 10
Joined: Wed Nov 23, 2011 5:42 am
Car: 85 720 4x4 32/12.50/15
Lightbar. Net tailgate
Brush guard. step tubes

Post

Tore my hubs apart found out some moron forgot which side of the inside gear the snap ring went on I hate idiots that think they ate mechanics

marmstrong35960
Posts: 10
Joined: Wed Nov 23, 2011 5:42 am
Car: 85 720 4x4 32/12.50/15
Lightbar. Net tailgate
Brush guard. step tubes

Post

Put everything back still no pull internal parts move but believe the spring is bad gonna figure a way to make them work till I get the money for a set of warn hubs thinking a couple of snap rings between the outer hub gear and the spring should work only needs a little more travel

User avatar
Rev_D21
Posts: 5946
Joined: Sun Jan 12, 2003 9:49 pm
Car: 1986.5 D21 LB HD 2WD V6 5Speed
1991 D21 Reg 2WD Auto
1995 D21 Reg 2WD 5Spd
1996 D21 Reg 4WD 5Spd
2012 Versa 1.6S 5-Speed
Location: Somwhere in Western NY
Contact:

Post

Warn hubs are nice but why not borrow a set off a junk Nissan at the junk yard?

marmstrong35960
Posts: 10
Joined: Wed Nov 23, 2011 5:42 am
Car: 85 720 4x4 32/12.50/15
Lightbar. Net tailgate
Brush guard. step tubes

Post

None of my local junk yards have any 720's or Nissan 4x4 with. The right hubs I am thinking about going fulltl time 4x4 anyway

User avatar
Rev_D21
Posts: 5946
Joined: Sun Jan 12, 2003 9:49 pm
Car: 1986.5 D21 LB HD 2WD V6 5Speed
1991 D21 Reg 2WD Auto
1995 D21 Reg 2WD 5Spd
1996 D21 Reg 4WD 5Spd
2012 Versa 1.6S 5-Speed
Location: Somwhere in Western NY
Contact:

Post

Well as they say, something breaking is only an excuse to do some upgrading.

marmstrong35960
Posts: 10
Joined: Wed Nov 23, 2011 5:42 am
Car: 85 720 4x4 32/12.50/15
Lightbar. Net tailgate
Brush guard. step tubes

Post

Yeah me and a friend designed an easy way to switch manual hubs to full time we are gonna make a kit to fit my 720 we are thinking about patenting it and selling a few it works good on his 95 7.3 bronco we built :confused:

marmstrong35960
Posts: 10
Joined: Wed Nov 23, 2011 5:42 am
Car: 85 720 4x4 32/12.50/15
Lightbar. Net tailgate
Brush guard. step tubes

Post

Put in 2 snap rings and got my hubs working till I can get a new set or I might do a sas this spring


Return to “Datsun 720”