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M35 Rear Suspension Troubles

slippylotion

By slippylotion,
in Four Door Family & Wagoneers

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slippylotion Mentor

slippylotion

Posted
Posted (edited)

Hi guys

I'm having a bit of trouble with the rear coilovers in my M35.

I have Tanabe sustec coilovers and can't seem to get the rear level. The rear passenger side always sits 7-8mm higher than the drivers side.

Here's what I have tried to fix it.

Both sides set the same height. = out of level

Drivers rear set higher = out of level

Swapped spring assembly side to side = out of level

Passenger set lower = out of level

Loosened all arm joints to rest bush tension =out of level

No matter what I do the passenger always sits 7-8mm higher and its p*ssing me off as I can't work out why.

So, anyone have any ideas what it could be and if you have had this problem or had to adjust one side different to the other to get them level?

And it's creaking badly on that side and again can't seem to stop it.

Thanks guys.

Edited by slippylotion
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https://www.sau.com.au/forums/topic/380886-m35-rear-suspension-troubles/
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jasevr4 Mentor

jasevr4

Posted
Posted

Interesting. If I set the spring at the same height on both sides the passenger side is about 8mm out. I dropped the passenger rear by 8mm and after letting it settle it's still about 3mm higher than the drivers side.

That said, I haven't loosened the arm bolts at all yet so maybe it has something to do with that.

slippylotion Mentor

slippylotion

Posted
  • Author
Posted (edited)

So yours does the same!

At least I not going mad thinking its just my car. I've almost given up trying to sort it out.

I think the creaking noise I'm getting is from the rear swaybar D mounts. Will pull them out tomorrow and re grease them.

What heights did you run with?

Edited by slippylotion
Tommy Kaira RL Mentor

Tommy Kaira RL

Posted
Posted

Check which way the bolts are in. eg doing up one bolt on one side might make the suspension go up as doing it up on the other side might make the suspension go down. Or when you use your spanners you will notice pushing down one side and up on the other.

I have the same problem on my GTR even if I raise the lower side it just raises the other one aswell.

I havent got it sorted yet either. I put it down to a slight bent chassis from going up my steep drive way the same way every time. I need to come in the other way a few times to twist it back.

Just hit a pot hole or bump on the higher side it might raise the strut tower to the same height as both sides which will then lower your height.

slippylotion Mentor

slippylotion

Posted
  • Author
Posted

Happy to say finally the car sits level and the creak has now gone. I adjusted the passenger side 10mm lower but it still sat higher. I also could not pin point that creak but my suspicions where toward the upper control arm and the sway bar.

So today when I got home I jacked her up yet again ? and it was creaking away if I lifted the hub assm up and down. I then disconnected the sway bar link to check it all out, all looked good so I put it back in. Then took it for a test drive and the creak had gone ? then when I got home the car was sitting level. I don't know how to explain it but both problems have now been sorted by removing that link and refitting it. Not sure if some how it was causing the problem 100% but it seems to have solved it and that's all I care about.

So now onto to fitting the trams shift kit this Friday/Saturday.

Dunc Mentor

Dunc

Posted
Posted

Nice one Paul. No workshop and a lack of confidence from me - I don't think I'll be tackling it myself any time soon. Are you getting it done Dunc?

I think I will eventually, I can get access to a hoist but I lack the confidence for this one so I'll be looking to get a workshop to do it

bigkevracer Grand Master

bigkevracer

Posted
Posted

Happy to say finally the car sits level and the creak has now gone. I adjusted the passenger side 10mm lower but it still sat higher. I also could not pin point that creak but my suspicions where toward the upper control arm and the sway bar.

So today when I got home I jacked her up yet again ? and it was creaking away if I lifted the hub assm up and down. I then disconnected the sway bar link to check it all out, all looked good so I put it back in. Then took it for a test drive and the creak had gone ? then when I got home the car was sitting level. I don't know how to explain it but both problems have now been sorted by removing that link and refitting it. Not sure if some how it was causing the problem 100% but it seems to have solved it and that's all I care about.

So now onto to fitting the trams shift kit this Friday/Saturday.

So what you're trying to say here... is you need Whiteline sway bars from Dale? :whistling:

No issues with mine and I have the Whiteline front and rear sway bars, Whiteline rear links, and Dale's rear mounts. Works bloody awesome!

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