Omega Owners Forum
Omega Help Area => Omega General Help => Topic started by: RobG on 12 September 2008, 23:01:17
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Had autobox fault on display this week. Time for a fluid change this weekend but!!!! Driving back to Bristol this afternoon fault displayed again and box entered "limp mode". Pulled over after a couple of miles. Tried to restart car nothing. Indicator light showing "R" when pushing lever thru all positions. Lifted lever gaiter, put lever into "N" position and had to physically push down the ignition key release contact switch so engine would turn over. It appears that the lever when in "P" or "N" isn`t coming into contact with said switch. Anyway, got her going again but although "D" is selected and gears are changing as they should indicator light shows "N". If I move from "D" down to 3, 2, or even 1 (obviously slowing down to compensate) the box does not change down and at all times the only indicator light showing is against the "N". I also noticed that when I stopped b and engaged "P" (with engine running) the reversing lights are on. If I switch engine off, I have to leave the selector lever in the position that the indicator light shows as "N" (but in reality it has engaged "D") otherwise I have to use the same procedure again to start it i.e. remove lever surround and push down on contact switch. I`m thinking maybe it`s the selector linkage slipped or possibly the selector lever needs adjusting. Any and all thoughts on this issue greatly appreciated :-/ :-/ :-/
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Sounds like the selector switch is primary suspect - on the side of the box where the lever attaches to. They can get full of oil and fail...
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Sounds like the selector switch is primary suspect - on the side of the box where the lever attaches to. They can get full of oil and fail...
That`s what I initially suspected Phil but I can`t figure out why, when "P" or "N" is selected the lever isn`t making contact with the ignition release switch. Like I said, I have to remove the gaiter and physically hold the thing down. >:(
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Sounds like the selector switch is primary suspect - on the side of the box where the lever attaches to. They can get full of oil and fail...
That`s what I initially suspected Phil but I can`t figure out why, when "P" or "N" is selected the lever isn`t making contact with the ignition release switch. Like I said, I have to remove the gaiter and physically hold the thing down. >:(
Been under the mig, linkage adjustmet is OK. Seems like it`s gonna be a new selector switch. Ay idea of the cost. :-[
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new one is about £120 if i recall correctly have you dismantled and cleaned it?
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new one is about £120 if i recall correctly have you dismantled and cleaned it?
No. Been under car, seen the selector, can only see one bolt, how many is there. Removed the protective metal cover but it looks sealed. Is it? :-/
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new one is about £120 if i recall correctly have you dismantled and cleaned it?
No. Been under car, seen the selector, can only see one bolt, how many is there. Removed the protective metal cover but it looks sealed. Is it? :-/
One nut where the selector shaft joins to the box and two bolts then off it comes.
Easy to open as its screwed together!
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new one is about £120 if i recall correctly have you dismantled and cleaned it?
No. Been under car, seen the selector, can only see one bolt, how many is there. Removed the protective metal cover but it looks sealed. Is it? :-/
One nut where the selector shaft joins to the box and two bolts then off it comes.
Easy to open as its screwed together!
Cheers will give it a go. Had front of car up initially to inspect Haynes state jack rear to remove switch. Would it be easier with rear up
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To be honest, I do it by jacking the front passenger side only....
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To be honest, I do it by jacking the front passenger side only....
Cheers Mark, Out to do it now. Will post results. :y
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These old pics might be of use:
(http://i23.photobucket.com/albums/b394/Marks_DTM_Calib/Maintenance%20Guides/IMG_1014.jpg)
(http://i23.photobucket.com/albums/b394/Marks_DTM_Calib/Maintenance%20Guides/IMG_1015.jpg)
(http://i23.photobucket.com/albums/b394/Marks_DTM_Calib/Maintenance%20Guides/IMG_1016.jpg)
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Do not use WD40 to clean it
Go to Maplins & get a can of switch cleaner to clean the electrical contacts
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Or some T-cut or brasso on a cotton wool bud :y
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Or some T-cut or brasso on a cotton wool bud :y
Right, switch out and cleaned (full of crap) These are the symptons;
In "P" "R" is lit, car won`t start.
In "R" "R" is lit and reverse engaged
In "N" "R" is lit and neutral engaged
In "D" "R" is lit and auto drive engaged
In "3" "N" is lit car will start but brake on `cause gear is engaged
In "2" "D" is lit gear engaged
In "1" "3" is lit gear engaged.
Car will only start in "3" with "N" lit
Any suggestions :-/ :-/ :-/ :-/
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Ok, if you look at the last pic I posted above, you will see that I have placed an allen key in an indent on the swith......slacken off the two bolts securing the switch to the box and rotate the switch asembly (it has some adjustment) until you can do the same.
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Ok, if you look at the last pic I posted above, you will see that I have placed an allen key in an indent on the swith......slacken off the two bolts securing the switch to the box and rotate the switch asembly (it has some adjustment) until you can do the same.
Mark, Made sure indents were lined up prior to tightening bolts but what I did notice was the inner sleeve with the two flat sides was cracked would that cause the problem.
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Ok, if you look at the last pic I posted above, you will see that I have placed an allen key in an indent on the swith......slacken off the two bolts securing the switch to the box and rotate the switch asembly (it has some adjustment) until you can do the same.
Mark, Made sure indents were lined up prior to tightening bolts but what I did notice was the inner sleeve with the two flat sides was cracked would that cause the problem.
Possibly as it could affect the alignment.
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Ok, if you look at the last pic I posted above, you will see that I have placed an allen key in an indent on the swith......slacken off the two bolts securing the switch to the box and rotate the switch asembly (it has some adjustment) until you can do the same.
Mark, Made sure indents were lined up prior to tightening bolts but what I did notice was the inner sleeve with the two flat sides was cracked would that cause the problem.
Possibly as it could affect the alignment.
New selector switch then :question :question
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Check the linkage alignment first also....
Set selector lever to "P". Wiggle the prop shaft to ensure the parking lock is engaged. Loosen the fastening bolt which is in the horizontal part of the linkage. Press the lever on the gearbox rearwards and re-tighten the bolt.
Now reset the switch position
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Check the linkage alignment first also....
Set selector lever to "P". Wiggle the prop shaft to ensure the parking lock is engaged. Loosen the fastening bolt which is in the horizontal part of the linkage. Press the lever on the gearbox rearwards and re-tighten the bolt.
Now reset the switch position
Out to do it now. Post back later.
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Top work, just want to totaly rule out the adjustment first
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Top work, just want to totaly rule out the adjustment first
Mark, Stripped switch again gave it another good polish with Brasso. Linkage adjustment ok. I`ve now got;
In "P" "N" lit trans locked will start
In "R" "N" lit rev. engaged will start
In "N" "N" lit neutral engaged will start
In "D" "N" lit autodrive engaged will start
In "3" "N" lit gear engaged will start
In "2" "D" lit gear engaged WONT start
In "1" "3" lit gear engaged WONT start
Do you reckon switch is stuffed :-/
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It's gone the other way...the crack is possibly refusing to let it move in the "towards park" direction from what i've read..
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It's gone the other way...the crack is possibly refusing to let it move in the "towards park" direction from what i've read..
Hi Phil, As I seem to be getting variations on start/select does it suggest that the switch is possibly stuffed. Just took it out for a spin and in Drive it won`t engage overdrive now just 1,2,3 :-/
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It sounds to me like it is adjusting succesfuly....
Right, what we need to do is get that switch set correctly to the gearbox (which is what it is effectively monitoring).
So, disconnect the link arm from the box and set the switch up as this should then correctly correlate to the box.
Now fit the link arm and setup that up.
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If all else fails here I can sticka gearbox selector switch in the post to you no problem...£20 delivered...just pm if you want it...if you have a crack in yours might well be worth having a spare anyway in case even if you can sort it...
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dear Mr. Marks,
I read your topic about how to chek autobox but I want to make sure that way is correct or the way I saw the technician followed in filling my car autobox( he first filled the auto box as the motor was idle then he asked me to start the motor and to pot the gear stick on Reverse and then he cocinued filling. the autobox took about 5 liters of ATFIII.
pls asure me which way to follow because my car autobox is leaking since months but the car did not give ay sign that autobox is lacking oil.
thanks & best regards,
Aymen :)
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dear Mr. Marks,
I read your topic about how to chek autobox but I want to make sure that way is correct or the way I saw the technician followed in filling my car autobox( he first filled the auto box as the motor was idle then he asked me to start the motor and to pot the gear stick on Reverse and then he cocinued filling. the autobox took about 5 liters of ATFIII.
pls asure me which way to follow because my car autobox is leaking since months but the car did not give ay sign that autobox is lacking oil.
thanks & best regards,
Aymen :)
Look here http://www.omegaowners.com/forum/YaBB.pl?num=1152783586 :)
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dear Mr. Marks,
I read your topic about how to chek autobox but I want to make sure that way is correct or the way I saw the technician followed in filling my car autobox( he first filled the auto box as the motor was idle then he asked me to start the motor and to pot the gear stick on Reverse and then he cocinued filling. the autobox took about 5 liters of ATFIII.
pls asure me which way to follow because my car autobox is leaking since months but the car did not give ay sign that autobox is lacking oil.
thanks & best regards,
Aymen :)
Look here http://www.omegaowners.com/forum/YaBB.pl?num=1152783586 :)
By the way. Welcome to the forum. It would be helpful if you updated your profile. ie what car, whereabouts you are :y :y
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If all else fails here I can sticka gearbox selector switch in the post to you no problem...£20 delivered...just pm if you want it...if you have a crack in yours might well be worth having a spare anyway in case even if you can sort it...
Chris, Just come in from bu**ering about with it again. Managed to snap bolt in the selector linkage rod where you adjust. :'( I think where the inner sleeve on switch is cracked I can`t get a positive set up on it. Don`t suppose you got the linkage rod, bolt and retaining clip have you. I`ve just about given up on it so methinks I should try another switch. Pm me with a total price inc. switch but I would need it posted tomorrow. (Still waiting for rear shelf etc) :(
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£30 mate and I'll send it special delivery which should only be a few quid as its not heavy...will be in the post tomorrow and with you by 1pm next day and the parcel shelf is on its way already :)
Just to check, the bolt that holds the rod onto the selector switch, or the bolt at the other end of the rod?
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£30 mate and I'll send it special delivery which should only be a few quid as its not heavy...will be in the post tomorrow and with you by 1pm next day and the parcel shelf is on its way already :)
Just to check, the bolt that holds the rod onto the selector switch, or the bolt at the other end of the rod?
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Payment sent :y Where the long rod coming from the gearlever end meets up with the short one from the switch it`s the bolt that you slacken to adjust. On the long rod there is a nut welded one end, the bolt for that (retaining clip at gearlever end if you got it please :)) Hope that`s clear to you :y
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Will have a look and get a pic tomake sure its all the right stuff before I send it :)
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Update on gearbox. Renewed gear selector switch (thanks Chris) and all seems ok at the mo. Many thanks to everybody`s advice and a special thanks to Chris (mutantcav) for posting the switch out asap. The problem seems to have been the inner nylon sleeve with the two flat "shoulders" developed a split and consequently the electronic signal from the switch was a bit haphazard. See pic. Once again a big thank you to all :y :y :y :y :y :) :) :) :) :)
(http://i190.photobucket.com/albums/z257/belisensis/OMEGAFORUM/gearselector-1.jpg)
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Nice to know its sorted .. OOF strikes again .. :y :y :y :y
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Glad its sorted Rob :) Let me know when the parcel shelf and self dipping rear view arrive :)
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Glad its sorted Rob :) Let me know when the parcel shelf and self dipping rear view arrive :)
Arrived today Chris. Many thanks. :y :y
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Glad it finally got there mate :y :y