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02-15-2004, 05:21 PM
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#1 |
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Registered User
Join Date: Dec 2001
Location: Manteca, Ca USA
Posts: 307
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90 burb 4x4 question?
I'm just wondering how the front axle "knows" when to engage? With my old Blazer i had to get out and lock the hubs- the 90 Burb has automatic hubs. So i pull the t-case handle into 4hi- what makes the front axle engage?
Thanks, Steve
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'71 Chevy 3/4 Ton Longbed '22 Chevy Tahoe RST '67 Firebird- 8 sec street car '24 GMC CC 4x4 Duramax Dually |
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02-16-2004, 12:32 PM
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#2 |
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Registered User
Join Date: Jul 2001
Location: Atlanta GA
Posts: 1,704
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When the axle start spinning once you engage 4x4 then they rotate a cam in the hub to lock them. Well that's what you hope they do. Often when you stuck they won't engage if the vehicle is not moving or they will disengage in reverse.
Auto hubs are junk......Get rid of them. Standard locking hub for a D44 or Corp 10 will fit not problem.
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Grim-Reaper 70 Pontiac LeMans Sport Convertible, worlds longest resto in progress Looking for 71-72 2wd Blazer or Jimmy Project |
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02-22-2004, 07:57 PM
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#3 |
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No Brakes Club
Join Date: Jan 2003
Location: Carthage, N.C.
Posts: 263
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steves1967
Best thing I ever did to my axles was taking out the auto lockers. It's like Grim Reaper said they will fail you when you need them the most. It sucks because you have to know you will need 4x4 before you get stuck. With manual lockers you can drive until you get stuck, get out lock em in and go. Later,
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Ryan Flowers 85 GMC Suburban 4x4 379 90 GMC Suburban 4x4 383 01 Chevy Suburban 2x4 350 Click here to email me Click here to visit my web site |
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