CX25 TRI Steering wheel centering - not happening
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Thread: CX25 TRI Steering wheel centering - not happening

  1. #1
    Tadpole
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    Default CX25 TRI Steering wheel centering - not happening

    Try though we might, we cannot both center the steering wheel AND align the car, subject vehicle is a 31000 original miles 1985 TRI Safari, never hit, wrecked et.c. with all new spheres, correct height et.c.

    I suppose the question is does the governor itself turn? Or what are we missing not covered by the factory service manual?

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  2. #2
    Now go make me a sandwich Hotrodelectric's Avatar
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    Quote Originally Posted by chiplamb View Post
    Try though we might, we cannot both center the steering wheel AND align the car, subject vehicle is a 31000 original miles 1985 TRI Safari, never hit, wrecked et.c. with all new spheres, correct height et.c.

    I suppose the question is does the governor itself turn? Or what are we missing not covered by the factory service manual?
    Stupid question, Homer Simpson-style:
    No possibility that someone pulled the wheel then replaced it one or two teeth off? I can't remember if there is an indexing tooth on the shaft.
    The measure of your character isn't what you do when people are watching- it's what you do when they aren't watching.

  3. #3
    Real cars have hydraulics DoubleChevron's Avatar
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    Can you describe how he set the alignment. The manual is pretty good at describing the process. Did he center the rack, pin it, loosen the coupling bolts and center the ecentric.... and adjust the wheels to the straight ahead before setting the toe in

    seeya,
    Shane L.
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    1000+ Posts Ken W's Avatar
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    Hi Chip,

    Having any more luck over there? Do you need more explanation?

    Cheers,

    Ken W

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    Fellow Frogger! kimmo's Avatar
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    Hi, do you mean the wheels do not automatically center? If that is the case then it could be a blocked filter on the left hand side on the firewall. I had that once and you just could not centre the wheels at all.
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  6. #6
    Tadpole
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    Sorry for the delay, have been travelling. The centering system works fine, in fact, it centers the steering wheel to straight ahead, though when the car is driving straight the wheel is off to the right a bit. I suspect my guy did not follow the process outlined by Shane above. Need to check in on him.

  7. #7
    Tadpole
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    Car is home and driving properly though the steering wheel is either half a tooth left or half a tooth right after confirming he followed the manual and tried other inventive solutions. Centering it any other way results in a pull. Suggestions in another forum are to shim the governor internally... project for another day.

  8. #8
    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by chiplamb View Post
    Car is home and driving properly though the steering wheel is either half a tooth left or half a tooth right after confirming he followed the manual and tried other inventive solutions. Centering it any other way results in a pull. Suggestions in another forum are to shim the governor internally... project for another day.
    No, no, no ... .Don't touch the governer. if you adjust the tracking rods both sides the identical amount to keep the toe in at the same settting you can adjust the center running.

    Or ... You can use the eccentric on the steering rack ... that is there exactly for this purpose. It sounds like your wheel alignment guy doesn't really understand what he is doing, and is relying on a modern wheel aligment machine to tell him what to do.

    If the alignment is now correct. Fix it yourself, just adjust the center running ecentric and don't take it back to the alignment guy.

    seeya,
    Shane L.
    'Cit' homepage:
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    Proper cars--
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    '63 ID19 http://www.aussiefrogs.com/forum/showthread.php?t=90325
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


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  9. #9
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    Quote Originally Posted by chiplamb View Post
    Car is home and driving properly though the steering wheel is either half a tooth left or half a tooth right after confirming he followed the manual and tried other inventive solutions. Centering it any other way results in a pull. Suggestions in another forum are to shim the governor internally... project for another day.
    There is nothing in the 'governor' to shim, so there is some misunderstanding there. The 'governor' lives over at the bottom left side and it's only function is to vary with road speed the pressure on the centering ram inside the control unit.

    There are shims in the control unit and the most critical ones are under the valve block inside it. Changing these will alter the left-right relationship with the control unit. Thee shims were selected to compensate for machinign variation in the control unit casing and valve body. You shouldn't ever need to change these and changing them certainly will not compensate for wear in the control unit parts.

    It might be helpful to think of a difference between tracking and alignment. You adjust the alignment to give the toe setting via the tie-rods, but the tracking / self-centering is set via the eccentric. If you are unsure what has been done to it, the smartest thing you can do is start again. Uncouple the eccentric, centre and pin the control unit, centre the rack and recouple the eccentric in its middle position. Leave the tie-rods as they are for the moment. You gain access to the control unit locking hole by removing the steering wheel (easy - one nut), slipping the column cowl aside and removing the small rubber plug with a tab on it. You need a foot of welding rod to slide in and lock both the upper and lower cogs/wheels inside the control unit straight ahead. Pulling off the wheelarch mud flap/covers off and centre of the air tower up lifts the drain tube out of the way for access to the eccentric. Once you've set the tracking to what should be straight ahead you can fiddle with the alignment (which should be OK in your case) by equal turns either side to get both wheels pointing roughly in the right direction. You have to test drive the car to know if the tacking is correct, so you may need to repeatedly slacken off / drive / adjust / tighten the eccentric a couple of times to get it right. Provided you place a very strong support under the car to avoid any chance of being squished, it's easy enough to put the car to maximum height, turn to full left lock and reach under to access the eccentric for your repeated adjustments.

    Do not even think about touching any shims unless the control unit has been rebuilt ... poorly.
    Last edited by David S; 29th August 2014 at 12:59 PM.

  10. #10
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    Chiplamb, you are not trying to get the single bar of the steering wheel to point straight down when the car is going straight ahead are you?

    Never owned a CX, but my understanding is that the steering wheel is offset to protect your vital organs in the event of an accident . It always looks odd to me, but the offset from the vertical of the bar connecting the rim to the centre is "normal".

    Cheers

    Alec

  11. #11
    Real cars have hydraulics DoubleChevron's Avatar
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    Quote Originally Posted by Armidillo View Post
    Chiplamb, you are not trying to get the single bar of the steering wheel to point straight down when the car is going straight ahead are you?

    Never owned a CX, but my understanding is that the steering wheel is offset to protect your vital organs in the event of an accident . It always looks odd to me, but the offset from the vertical of the bar connecting the rim to the centre is "normal".

    Cheers

    Alec
    Pssst.... The DS has an offset steering wheel spoke, as does the GS ..................... The CX doesn't
    'Cit' homepage:
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    Proper cars--
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    '63 ID19 http://www.aussiefrogs.com/forum/showthread.php?t=90325
    '72 DS21 ie 5spd pallas (last looked at ... about 15years ago)
    '78 GS1220 pallas
    '92 Range Rover Classic ... 5spd manual.

    Yay ... No Slugomatics


    Modern Junk:
    '07 Poogoe 407 HDi 6spd manual

  12. #12
    Tadpole
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    Thanks all for the help! Chip

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