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10-15-2003, 04:29 PM
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#1 |
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Got Mud?
Join Date: Sep 2003
Posts: 361
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4x4 question
Do i have to lock the hubs when i put it in 4hi or 4lo? & what do locking hubs do?
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Dan Got mud? |
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10-15-2003, 05:34 PM
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#2 |
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user # 2756
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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If you want the transfercase(4hi or 4lo) to drive the front wheels you'lll need to lock the hubs. Putting the transfercase in 2 hi and un-locking the front hubs (free) saves on gas and wear and tear on the front tires and front end components.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm 
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10-15-2003, 05:50 PM
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#3 |
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Registered User
Join Date: Dec 2001
Location: New Richmond, WI
Posts: 547
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Yes, you need to lock the hubs. The locking hubs connect the axles to the wheels. If you put the truck in 4hi or 4lo and the hubs are not locked in, the front driveshaft and axles will turn but no power will get to the wheels.
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Eric 1969 K20, 465/205 package |
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10-16-2003, 12:36 AM
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#4 | |
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Registered User
Join Date: Sep 2003
Location: Shelbyville, Indiana
Posts: 614
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Quote:
DITTO 
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Chuck '85 Chevy Silverado 4X4  '91 Chevy 4X4 Suburban http://www.cardomain.com/memberpage/545941 |
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11-17-2003, 05:43 PM
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#5 |
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Got Mud?
Join Date: Sep 2003
Posts: 361
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How do i know its in 4wd?
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Dan Got mud? |
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11-17-2003, 06:15 PM
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#6 |
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Registered User
Join Date: Mar 2003
Location: Northern Illinois
Posts: 2,181
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It's in 4 wheel drive if your front hubs are locked and your transfer case is in 4-high or 4-low.
To summarize what Heavy said, the transfer case drives the front differential and the axles -- the hubs lock the axles and the wheels together. It's common practice to lock the hubs when the weather gets bad, and then just set the transfer case in 2 or 4 wheel drive as needed. Brian |
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11-17-2003, 11:15 PM
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#7 |
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horsepower junkie
Join Date: Aug 2003
Location: graham, washington
Posts: 326
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if the truck in question is in fact a 1980 chev.....most 1980s have the 205 transfer case....if so then you wont wanna drive on pavement with the case in 4wd.....unless its covered with snow...
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67  short wide box,350/700r4/3.73posi 71 olds cutlass "S" mom bought new..12.30s@113MPH |
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11-17-2003, 11:32 PM
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#8 |
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Got Mud?
Join Date: Sep 2003
Posts: 361
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Thanks for the info! Is there an order for putting it in 4wd? Like hubs 1st the transfercase, or transfercase then hubs?
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Dan Got mud? |
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11-18-2003, 01:37 AM
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#9 |
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please don't break
Join Date: Sep 2003
Location: southern california
Posts: 173
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shouldn't matter, usualy you already have the hubs locked if you know will will need to use your 4x4
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11-18-2003, 02:24 AM
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#10 |
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Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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<---------check my avatar
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1969 GMC K2500  1996 Honda Accord 2007 Kawasaki KLR 650 |
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