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No 4WD in reverse

This is a discussion on No 4WD in reverse within the Engine and Drivetrain forums, part of the Technical category; Anyone have experience with intermitent activation of 4WD or AWD in reverse only? When I push the AWD button and go into reverse the AWD ...


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  #1  
Old September 24th, 2009, 08:13 AM
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Question No 4WD in reverse

Anyone have experience with intermitent activation of 4WD or AWD in reverse only? When I push the AWD button and go into reverse the AWD icon does not always come on nor does the "R". But I can still move in reverse but no front wheel engagement. It usually works when the machine is cold but after running a bit the engagement does not work. Everything works properly when going forward AWD or 2WD. ???
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  #2  
Old September 24th, 2009, 08:20 AM
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Re: No 4WD in reverse

Quote: Originally Posted by kedi View Post
Anyone have experience with intermitent activation of 4WD or AWD in reverse only? When I push the AWD button and go into reverse the AWD icon does not always come on nor does the "R". But I can still move in reverse but no front wheel engagement. It usually works when the machine is cold but after running a bit the engagement does not work. Everything works properly when going forward AWD or 2WD. ???

Mine turned out to just be dirty fluid....drain it...rinse it. fill it.. i'll bet it works again...
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  #3  
Old September 24th, 2009, 08:51 AM
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Re: No 4WD in reverse

I know my 2000 Polaris Sportsman 500 4x4 has a reverse override button on the handlebars, if you want to engage 4x4 in reverse you have to hold it in

I am pretty sure the yellow button on the rzr dash does the same thing, if you need 4x4 in reverse (front end) you have to hold the yellow button... Ill check the owners manual and find out, it makes sense though
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  #4  
Old September 24th, 2009, 09:04 AM
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Re: No 4WD in reverse

Quote: Originally Posted by kedi View Post
... the AWD icon does not always come on nor does the "R".
Your Rzr isn't going into 4WD because there's no "R" on the speedo. The computer needs to see that it's in gear and that the rpms are above some point or no-workee. Find the resistor pack under the seat near where the ground wires are bolted to the frame. Unplug it and clean the contacts real well. Fill the pins with dielectric grease and reassemble. That usually cures the intermittant gear indication problem.

Less common is the switch itself located on the transmission. If cleaning the resistor pack doesn't cure the problem, do a search here for how to remove the selector switch & clean it.

HTH
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  #5  
Old September 24th, 2009, 09:20 AM
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Re: No 4WD in reverse

He' right if the speedo does not see R then neither does the computer = no 4 wheel drive
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  #6  
Old September 24th, 2009, 09:25 AM
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Re: No 4WD in reverse

I need to read closer...just saw intermittent...lol

Mark sounds like he's been there!!!lol

the fluid did fix mine but i had the dash indicators..
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  #7  
Old September 24th, 2009, 09:35 AM
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Re: No 4WD in reverse

the speedo acts as a head end for the computer ,if the speedo does not see the command the computer will not respond,I thought when i went riding i could get away from computers NOT any more.LOL
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  #8  
Old September 25th, 2009, 07:51 AM
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Re: No 4WD in reverse

Well we cleaned up the resistor pack under the seat, no change, so next is the selector switch. thanks
Ken
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  #9  
Old May 2nd, 2010, 09:18 PM
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Re: No 4WD in reverse

Are you talking the selector switch on the transmission itself?

Where is this located? I have a manual to look at but if you can point me in the right direction I won't take my laptop to the rzr

screw it



is that what you are talking about removing and cleaning?

Last edited by GIXXERGUY6; May 2nd, 2010 at 09:28 PM.
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  #10  
Old May 2nd, 2010, 09:46 PM
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Re: No 4WD in reverse

yes it is...... i had the same problem a wire had broken off in side the switch ....be carefull when you remove it... their are two spring loaded pins that like to pop out.... it fits tight and a pain to get at... their is a switch test in the manule its easy and will tell you if its bad..... i think its about 150 bux new



you only need to take the switch out not all the rest...
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Old May 2nd, 2010, 10:25 PM
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Re: No 4WD in reverse

Quote: Originally Posted by johnnycat8 View Post
yes it is...... i had the same problem a wire had broken off in side the switch ....be carefull when you remove it... their are two spring loaded pins that like to pop out.... it fits tight and a pain to get at... their is a switch test in the manule its easy and will tell you if its bad..... i think its about 150 bux new



you only need to take the switch out not all the rest...

jonny,

thanks for the heads up but I'm not seeing where you test the above pictured switch in the manual..I see in section 10.14 about testing the
gear position indicator switch.

We removed the "black dead end plug" and cleaned it, applied di-electric grease and reinstalled and made sure it wasn't coming apart or loose again... even secured it so it doesn't flop around when the machine is bouncing. It worked fine(the reverse 4x4) for the next couple days and then my buddy went out to check it out and said it wasn't going into 4x4 in reverse again...
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  #12  
Old May 2nd, 2010, 10:56 PM
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Re: No 4WD in reverse

Yep me too. Last time I went out, short little run to see if my head would hit the cage after my chop, and it worked. Before that it didn't. I plan to clean everything again to see what happens.
Ken
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Old May 10th, 2010, 10:55 AM
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Re: No 4WD in reverse

Quote: Originally Posted by johnnycat8 View Post
yes it is...... i had the same problem a wire had broken off in side the switch ....be carefull when you remove it... their are two spring loaded pins that like to pop out.... it fits tight and a pain to get at... their is a switch test in the manule its easy and will tell you if its bad..... i think its about 150 bux new



you only need to take the switch out not all the rest...

Jonnycat do you know where to find the instructions for testing this sensor on the bottom of the transmission? We still can't get the 4wd to work in reverse.

thanks in advance
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  #14  
Old May 25th, 2010, 01:45 PM
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Re: No 4WD in reverse

Resistor pack near the battery was gummed up and not plugged in all the way. removed it, cleaned with electrical cleaner, applied dielectric grease. Also cleaned the plug that it plugs into with cleaner several times and blew out with air. It worked great after that(for that night) and then didn't work.

We changed the transmission fluid and it worked after that. Loaded it on the trailer, unloaded it at Bundy Hill and it worked. Got in a mud hole and got stuck and switched to 4x4 and it worked in F, but not in R(in the mud hole) got winched out and went on our way and 5 minutes later used the switch again and it worked for the rest of the day on and off F and R.... Went to use the machine again last weekend and it worked but then didn't work.

It doesn't like reading it sometimes from F to R but will from P to R or something like that.


Any help? We are going to Harlan in 2.5 weeks and would like to have 4x4 in Reverse is possible.


Sensor on trans or that resistor pack?

I need to know so we can order it or do what we have to do before we leave

Last edited by GIXXERGUY6; May 25th, 2010 at 01:49 PM.
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  #15  
Old January 15th, 2011, 02:05 PM
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Re: No 4WD in reverse

Quote: Originally Posted by 410fortune View Post
I know my 2000 Polaris Sportsman 500 4x4 has a reverse override button on the handlebars, if you want to engage 4x4 in reverse you have to hold it in

I am pretty sure the yellow button on the rzr dash does the same thing, if you need 4x4 in reverse (front end) you have to hold the yellow button... Ill check the owners manual and find out, it makes sense though
just wondering did you ever check out this "yellow button" idea? does holding tghis give you AWD in Reverse? if so...do you hold the button while the AWD switch is ON?
let me know...THANKS!!
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