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Hazzaman Profile
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Date Registered: 09-2020
TOTAL POSTS: 2
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Shakey 2005 xtrail t30


Hi, 2005 X trail manual. I've replaced lower control arms, engine mounts, tie rod ends, new tyres and wheel alignment,car drives smooth up to 100 km then it's starts getting the shakes and won't stop. Any ideas what might be causing this, car didn't shake at all before replacing parts.
Thanks

Last edited by Hazzaman, 14/Sep/2020, 4:59 pm
14/Sep/2020, 12:09 pm Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 05-2017
TOTAL POSTS: 85
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Re: Shakin'


Assuming you already did the front arm bushings (big ones), the only thing left it can be is the wheels.

Does your x-ey have its factory rims?
Do the brake rotors run true and do your calipers move the pads freely away from the rotors on all sides?



---
05 T30 ST-X Auto
205/75x16 A/Ts on 6.5" ET40
200k: Refreshed suspension,fuel, ignition & cooling systems
Often good & dirty as is lifted 35mm on Sachs Automatics & poly bushings
Northern Sydney, NSW
14/Sep/2020, 5:01 pm Link to this post Send Email PM   Send Private Message Blog
 
Hazzaman Profile
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Date Registered: 09-2020
TOTAL POSTS: 2
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Re: Shakey 2005 xtrail t30


Hi, thanks for replying,
Have new rotors, they appear to be ok, braking in a straight line not weaving or pulling at all, even at speed I can't fault them. Are you talking about castor arm bushes? I haven't even looked at them but will now. It's very strange, it worse when I've been driving for a while. Around town you wouldn't know anything was wrong. So thanks very much. I'll have a look at the castor arms see if I can notice anything. I'm almost thinking it might be the steering rack, it's leaking a small amount but has a slight knock if I give the wheels a wobble while up on stands. So thanks again and I'll persevere and keep looking. Have a nice day.
14/Sep/2020, 5:12 pm Link to this post Send Email PM   Send Private Message Blog
 
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Date Registered: 05-2017
TOTAL POSTS: 85
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Re:


The largest bushings on the arm (it has 2 small and 1 large), are the ones I would expect to introduce a wobble at speed- if they become torn. It could be the rack, or the tie-rod ends, but I'd expect play at all speeds not a shake at a particular speed. That points to the wheels providing the centrifugal force to load the suspension harmonically.

Bear in mind there are 2 ways troubleshoot this:

What could cause it, and what is most likely to have caused it.

1. Exactly what work was done recently? (Anything recent can be under suspicion)
2. What could cause it? Bushings, Brakes, wheel location on the hub (are the rims centering on the hub exactly- if aftermarket they need to have the correct 66.1mm bore size for X-Trail), and overall balance of the unsprung weight on each of the front axles. So that means you have to look carefully at the balance of everything on each hub- brakes, wheels & tyres.



Last edited by roid, 14/Sep/2020, 6:58 pm


---
05 T30 ST-X Auto
205/75x16 A/Ts on 6.5" ET40
200k: Refreshed suspension,fuel, ignition & cooling systems
Often good & dirty as is lifted 35mm on Sachs Automatics & poly bushings
Northern Sydney, NSW
14/Sep/2020, 6:54 pm Link to this post Send Email PM   Send Private Message Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6002
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Re: Shakey 2005 xtrail t30


Steering wobble at higher speeds is usually induced incorrect wheel alignment.
Too much toe-in or toe-out will cause excessive tire wear while too close to parallel will cause the instability of tracking with the wheels fighting each other for tracking direction.

Another cause could be different tires on each side.

---
Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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14/Sep/2020, 9:46 pm Link to this post Send Email PM   Send Private Message Blog
 
roid Profile
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Date Registered: 05-2017
TOTAL POSTS: 85
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Re: Shakey 2005 xtrail t30


It could be indeed. Sometimes aligners screw it up, use the wrong spec for the car... or just use their own fail-safes...

Which will it be in this case?

---
05 T30 ST-X Auto
205/75x16 A/Ts on 6.5" ET40
200k: Refreshed suspension,fuel, ignition & cooling systems
Often good & dirty as is lifted 35mm on Sachs Automatics & poly bushings
Northern Sydney, NSW
16/Sep/2020, 8:14 am Link to this post Send Email PM   Send Private Message Blog
 
roid Profile
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Date Registered: 05-2017
TOTAL POSTS: 85
Reply | QUOTE
Re:


One more warning, there are fake Nissan arms for sale online. They are almost indistinguishable from the originals when new, but the boots crack up and disintegrate in no time.

However they also have their split pin holes higher up on the ball joint threads. Once you tighten down the castle nut the split pin clears the battlements on the castle nuts, so even if you spend your time bending the split pins down into them, it could loosen. How do I know? I just saw a T30 after a mechanic fitted them, and one had loosened up and the joint had popped so was loose and rattling up and down in the joint's taper around 4mm. Once tightened it made no difference to the noise the owner was complaining about, the actual joint had also failed inside the arm itself.

So beware the cheap arms :-)

BTW: The same arms can be bought without the Nissan stickers- but the cheapest ones sold by proper vendors are 3x-6x more.

Repco sell 4 or 5 types at $4-600 each. One is a 'Superpro', which has their poly busings. In the price list they market them as 'adjusted caster, which means the supplied thrust mounts are fitted with an offset caster bushing. I guess these are for raised X-ys, has anyone seen them? Is the offset bushing important when they are raised, and/or better camber bolt at the front?

---
05 T30 ST-X Auto
205/75x16 A/Ts on 6.5" ET40
200k: Refreshed suspension,fuel, ignition & cooling systems
Often good & dirty as is lifted 35mm on Sachs Automatics & poly bushings
Northern Sydney, NSW
27/Dec/2020, 9:21 am Link to this post Send Email PM   Send Private Message Blog
 


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