Worn steering rack :(

Hi guys,

I recently swapped out all my front ball joints, and after doing the work, I get an occasional clonk when maneuvering at low speeds and turning the wheel. The noise was there before, but less pronounced.

I put the truck up on stands and had an assistant move the front wheel and traced the noise to the driver's side of the steering rack. Peeling back the boot, I can see that the rack itself (i.e. the internal shaft of the rack, not the housing which is mounted to the chassis) is moving longitudinally (i.e. from the front to the back of the vehicle) and causing the clonk. There is very little free-play in the steering.

I've just ordered the necessary parts to swap out the old roller rack guide with the solid one, but I am thinking ahead in case this does not cure it.

One thing to note, I have a JDM vehicle with RHD and a new OEM rack would run to around $1200 plus a good bit for shipping, so I'm willing to try a few things before doing this. I can get a cheaper non-OEM rack, but I have a near zero tolerance policy for aftermarket parts, so that's a no-go.

I'm therefore thinking of doing the rack rebuild myself, which I feel confident to do.

Reading in online forums, the general consensus is that very few people attempt this, and those that have, have tried to fix leaking racks by changing out the seals, and often not been successful, concluding that it was internal parts of the rack which were worn.

Could anyone with experience tell me which parts are actually wearing in these racks??

The rack has basically three main components:

-The rack itself, with bushes and seals, ~ $200
-The rack housing with internal seals and guides, ~$400
-The pinion / power assembly with all seals, ~$450

As you can see, either one of these options is much cheaper than a new rack!

Inner and outer track rods, and rack mounts are all recently changed and without problems.

Thanks

Daniel
 
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I can't comment on the rebuilding of the rack.

However, from your description of the problem it sounds like the rack guide issue. Mine was doing this also at around 150,000 Km. Switching to the new rack guide set up solved it. It has been several years since.

I hope it is as simple for you.
 
I had the same type of play but on drivers side and the rack guide replacement did not fix it. I am going with OEM from Camelback Toyota or wherever it is cheaper.
 
There has been discussion on the forum regarding rebuilding the rack. The consensus is it's a pain in the ass and requires special tools. If the new rack guide doesn't fix the problem, I recommend replacing it with another OEM rack. People have cheaped out with aftermarket ones to find out they don't last and they're doing another swap again.

These videos may help you out:

<iframe width="560" height="315" src="https://www.youtube.com/embed/r4Hhl225E8A" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>

<iframe width="560" height="315" src="https://www.youtube.com/embed/wZoRP5ogrK0" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>
 
My rack is not as bad but I am monitoring it. Rock auto has a cheap new one for around $300, not sure what that would cost to get to the Netherlands.

My plan is to buy that $300 one and a rebuild kit and attempt to rebuild my original and keep it as a spare. That's just my plans
Here's the link to the part ( hope the link works )

https://www.rockauto.com/en/catalog/toyota,2000,4runner,3.4l+v6,1364611,steering,rack+and+pinion,7388

Don't waste your money on those racks.
 
Thanks for your replies, but as per my original post, I do not use aftermarket parts and I am RHD, i.e. right-hand drive, so my steering rack is the mirror-image of yours or any on sale in North America :)

My rack is not as bad but I am monitoring it. Rock auto has a cheap new one for around $300, not sure what that would cost to get to the Netherlands.

My plan is to buy that $300 one and a rebuild kit and attempt to rebuild my original and keep it as a spare. That's just my plans
Here's the link to the part ( hope the link works )

https://www.rockauto.com/en/catalog/toyota,2000,4runner,3.4l+v6,1364611,steering,rack+and+pinion,7388

 
If a new rack was only $600ish for me, I would consider going straight to a new one, however, at $1200+ I am willing to try the rebuild and replace one of the major sub-assemblies of the rack to try to fix mine in case the rack guide swap doesn't help.
 
If a new rack was only $600ish for me, I would consider going straight to a new one, however, at $1200+ I am willing to try the rebuild and replace one of the major sub-assemblies of the rack to try to fix mine in case the rack guide swap doesn't help.

The rack guide may help more than you might think. If the guide is shot, it allows horizontal play like you are experiencing. Here's to hoping it does work, since rebuilding a rack correctly is no simple matter.
 
Are you going through local suppliers for that $1200 price? Amayama might be able to beat the price, but shipping on such a big item may be a killer.

I'm actually a bit surprised at how low the price is on the OEM (new!) racks are for the 4Runner, at least here in the US. I recently took advantage of that...

-Charlie
 
I am pretty sure the rack/pinon gears on mine have worn in some play in 270k miles, especially at center where it spends a vast majority of its time. I just recently took the guide out to re grease and re torque. It made a huge difference in the sloppyness of my steering. I would almost make this a 100k mile project.
 
Have you tried searching for a steering rack from a UK spec Toyota Colorado(90/95 series LC). It is RHD and should use the same rack considering the chassis is pretty much identical.
 
Danie, If your vehicle is not your daily driver and it is not a guide issue I'd be tempted to try the $43 rebuild kit, not much to lose other than some additional down time -- and $43.

My rack seems fine other than a leak from the top near the input shaft area so I may try the rebuild kit at some point. I may even try replacing just the input shaft seal if I'm feeling lazy.

My wife is from Den Bosch

Beste wensen, TT
 
Rack guide parts are on order, I think that will cure at least some of the slop as it seems to be coming exactly from that area.

$1200 is the price before shipping and import duty from Amayama, so I think it would be well above $1500 by the time I get it.

Yes, a second hand rack from a 90 series Landcruiser is identical, but you never know what you're getting second hand... plus I'm the type of person who likes to properly rebuild something rather than just scrap it, especially since it has no noticeable free-play in the steering.
 
Rack guide parts are on order, I think that will cure at least some of the slop as it seems to be coming exactly from that area.

$1200 is the price before shipping and import duty from Amayama, so I think it would be well above $1500 by the time I get it.

Yes, a second hand rack from a 90 series Landcruiser is identical, but you never know what you're getting second hand... plus I'm the type of person who likes to properly rebuild something rather than just scrap it, especially since it has no noticeable free-play in the steering.

How much is an OEM rack if it's available in UK? If that is even possible. Not sure how it would work.
 
Do you think the problem is from being so cold in Siberia?

I don't think so. I heard the noise last summer on the drive out across Russia, and on the way back, figuring it was a loose bush somewhere.

What really took a beating in the cold were the front upper ball joints which were severely worn by the time I got back to Europe. It was after changing them (so stripping down the whole front suspension) that the noise got louder, and I decided to investigate...
 

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