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DiscoWeb Bulletin Board » Message Archives » 2002 Archives - Technical » Discovery » Transfer case stuck in High.. thinking of removing interlock solenoid.... any opinions? « Previous Next »

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Nick Bellistri (Nickbell)
Posted on Tuesday, December 17, 2002 - 09:55 pm:   Edit Post Delete Post Print Post

My transfer case is stuck in high... this summer it was working just fine, would go in smooth as butter. now all of a sudden its not working. i havent heard any grinding or clonking in the drivetrain so i assume anything is good. i have had previous interlock issues in fact the s t e a l e r s h i p replaced the switch a few yrs ago. i would rather have the least number of electronics in the care as possible. i thought about the possibility of someone bumping into but 99.8% of the time i am the only one in the car. has any one done this or have any experiences w/ it
 

Al Oliveira (Offroaddisco)
Posted on Tuesday, December 17, 2002 - 10:45 pm:   Edit Post Delete Post Print Post

I'm at a loss... Discos have solenoids in the t-case?
 

Nick Bellistri (Nickbell)
Posted on Tuesday, December 17, 2002 - 11:06 pm:   Edit Post Delete Post Print Post

well it is actually for my 95 RRC (who really reads that other board anyways) but as far as i know Discos also have one... the Transfer case has a shift interlock solenoid, which only allows you to shift into low or neutral range if transmission is in neutral
 

Nick Bellistri (Nickbell)
Posted on Tuesday, December 17, 2002 - 11:14 pm:   Edit Post Delete Post Print Post

Here is a snippet from John Brabyn's site

93 and up Classics, an interlock solenoid was added to prevent the transfer case being moved out of either High or Low range unless the main gearbox is in neutral and the ignition is switched on. The shifter has been known to jam in High range; the cause can be electrical or mechanical. Mike Lenaghan had both problems on his '94 Classic; he found no reference to the interlock solenoid in the shop manual, though a circuit diagram appeared in the owner's handbook.
 

Brian Friend (Brianfriend)
Posted on Wednesday, December 18, 2002 - 01:37 am:   Edit Post Delete Post Print Post

I would try posting your q on lrdiscovery e-groups as well. Pantellis seems to know a lot about these type of things.
 

RonLF
Posted on Wednesday, December 18, 2002 - 07:50 am:   Edit Post Delete Post Print Post

Yes, my 99 series 1 has the solenoid. My stop working and I was stuck in low,120 miles from home. But as luck has it, a LR mechanic was able to talk me through remove the solenoid and shifting in to high.
 

Nick Bellistri (Nickbell)
Posted on Wednesday, December 18, 2002 - 10:09 am:   Edit Post Delete Post Print Post

did u ever replace the solenoid... if not how easy is it to move from low to high and high to low?
 

mantaray (Mantaray)
Posted on Wednesday, December 18, 2002 - 10:14 am:   Edit Post Delete Post Print Post

i'm having trouble shifting into 4-lo as well. when the solenoid has locked you out or is not functioning, does it make it difficult to try and move the t-case shifter? i can tug on my shifter and it won't move. it worked when i bought the truck and tested it (about a year ago), but when i went off-road a few months ago, i couldn't get it to shift. i've had people tell me my linkage is frozen and just needs to be cleaned and lubed, maybe this is the problem? how easy is the part to change?
 

RonLF
Posted on Wednesday, December 18, 2002 - 10:18 am:   Edit Post Delete Post Print Post

Nick,

The dealer had to the replace the solenoid. Thank god for a Warrenty...
 

Nick Bellistri (Nickbell)
Posted on Wednesday, December 18, 2002 - 10:20 am:   Edit Post Delete Post Print Post

from my understanding it makes it nearly impossible to shift if the solenoid is frozen. in order to get at the solenoid in the RRC u need to remove the center console and drill out 8 rivets to get at it. im not sure if the procedure is the same for a disco
 

Al Oliveira (Offroaddisco)
Posted on Wednesday, December 18, 2002 - 12:15 pm:   Edit Post Delete Post Print Post

Sounds like what you need to do to get at the linkage in the Disco at the top of the t-case.
 

mantaray (Mantaray)
Posted on Wednesday, December 18, 2002 - 02:11 pm:   Edit Post Delete Post Print Post

so i have to drill out rivets to get to the top of the t-case without dropping it out of the truck? great, i guess i won't be doing any heavy wheeling in the next decade.....
 

RonLF
Posted on Wednesday, December 18, 2002 - 02:24 pm:   Edit Post Delete Post Print Post

With a disco 1 you can get to it from the bottom. It is on top of the Transfer Case. You need long arms and small hands. There are four small bolts that hold the solenoid in, remove bolts and pull solenoid up. At this point you can shift the transfer case(if stunk in low).
 

mantaray (Mantaray)
Posted on Wednesday, December 18, 2002 - 03:38 pm:   Edit Post Delete Post Print Post

is it necessary to replace the solenoid, or will it function just fine without it?
 

Nick Bellistri (Nickbell)
Posted on Wednesday, December 18, 2002 - 03:49 pm:   Edit Post Delete Post Print Post

thats was my next question... some guys on another board mentioned that it was necessary to replace the solenoid so that you can remove the key from the ignition. b/c the function of the solenoid is to tell the car if it is in drive, neutral or park. what i think i am going to attempt to do is... remove the plunger mechanism from the solenoid. this way i get the best of all worlds. i can remove my key and i remove the problem...
 

NickBell
Posted on Thursday, December 19, 2002 - 08:28 pm:   Edit Post Delete Post Print Post

Yeah well so much for that idea. the procedure is easy.... it becomes more difficult when u find out that the solenoid that is supposed to be there.. isnt there. so much for the easy way out. looks like a trip to the garage to c whats up
 

mantaray (Mantaray)
Posted on Thursday, December 19, 2002 - 10:05 pm:   Edit Post Delete Post Print Post

what do you mean it wasn't there?
 

Nick Bellistri (Nickbell)
Posted on Friday, December 20, 2002 - 12:17 am:   Edit Post Delete Post Print Post

when u drill out the 8 pop rivets remove the rubber boot to get to the t case linkage... there was no solenoid and or any torx screw as described at rangerovers.net. there was just a simple mechanical linkage.... i spoke to two garages both of which i trust and they both said that there is no solenoid present...maybe its elsewhere on the 95 classics?

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