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Questions regarding normal 4wd operation
Posted 07 August 2003 - 09:02 AM
A couple things I noticed...
1. At rest, it goes into and comes out of 4wd easy.
2. At slow speeds (below 15-30 mph), it does the same, except that it takes a bit longer to come out of 4wd.
3. When engaged, I get this grinding sound from the right front that sounds just like when my CV joint acts up.
4. At higher speeds (30-50 mph), it'll go into 4wd fairly easily... but it takes as much as a minute to disengage from 4wd, and it does so with a huge "clunk" that shakes the front end of the car. I only did this twice, and decided I'd better not do it again... after that, I did all my testing below 30 mph.
Is this normal? I've heard varying reports on what speeds I can engage/disengage 4wd. Most say "any time", some say "below 55 mph." My 4wd has no hi/lo selector, so I've been keeping it below 55 mph just to make sure.
Posted 07 August 2003 - 10:23 AM
Mine does that too, occasionally.. would be interested to know why.. not too awfully worried about it, but I am curious.
Posted 07 August 2003 - 03:27 PM
Posted 07 August 2003 - 08:46 PM
I've never dealt with anything that's 4WD before... all the tractors I've worked on are strictly 2wd (we've even aligned the steering on 'em using a tape measure, if that gives you a clue on how "hacked" we did some things...)
Sounds like I'll be doing the "disengage in reverse" trick...
Posted 07 August 2003 - 09:21 PM
Posted 07 August 2003 - 09:42 PM
Posted 07 August 2003 - 09:45 PM
The center diff binds up when one of the rear wheels turns faster than the other... like a turn on dry pavement. But if one wheel slips in such a way that both rear wheels are turning at the same speed, the diff doesn't bind. I can do this by ensuring that I only use 4wd in a turn in situations where one wheel is going to slip (loose traction) enough to spin just as fast as the other wheel, right?
Judging from my recent experience, really wet roads ain't gonna cut it... I'd need loose gravel, dirt, or snow to do this, right?
Posted 07 August 2003 - 10:15 PM
All 4 of my tires are the same brand and same size - same age and mileage too.
So I am going to say that something might be wrong - unless there's something "wrong" with mine that makes it work better?? <img src=http://www.ezboard.com/intl/aenglish/images/emoticons/ohwell.gif ALT=":\">
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