4 Low & Rear Diff Questions

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#11

02-04-2014 | 03:50 PM

Doc Olds

Super Moderator

Joined: Jul 2007

Posts: 12,491

From: Boat Town USA MI

Quote:

Originally Posted by rtrfan97

I've had my H3 for a relatively short period of time, plus I'm only 16, so take anything I say with a grain of salt. But what I do when shifting from 4hi to 4hi-locked to 4lo and vice-versa is to just get the car moving at idle speed. While your going roughly 5-10 mph, put the car in neutral and try putting it back in 4hi-free. You should here the click of the actuator and the light indicating 4hi should flash then hold steady. The car will lurch a little bit and you should put the car in drive. Accelerate lightly and you will be able to tell you're definitely not locked anymore. Please let me know if this helps.

Welcome. You are posting in 6.5 year OLD thread, every one of the posters before you is long gone from here. LOOK before you post at how old the conversation is.

https://www.hummerforums.com/forum/n...bumping-23220/

#12

02-06-2014 | 12:25 AM

TAINTER

Senior Member

Joined: Sep 2008

Posts: 6,017

From: SE Michigan

Quote:

Originally Posted by rtrfan97

16 in 1 post 17 in another post.

#13

02-06-2014 | 09:04 AM

rtrfan97

Junior Member

Joined: Feb 2014

Posts: 3

From: Huntsville

I'm turning 17 in a week...

#14

02-10-2014 | 07:58 PM

Manson75

Senior Member

Joined: Dec 2009

Posts: 265

if I ever need to be higher than 1st when I'm in 4low, I start in that gear. I am driving a 5speed Adventure though. But there's so much torque at that incredibly geared down speed, I'll start in 3rd no problem. I never shift to a higher gear while on the move and in 4low, because I also get that hard shift you're talking about. Not sure if it's doing any potential damage, but just doesn't feel good so I avoid it.

edit:
crap, didn't realize the age of this thread