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MQ Front Hub Spacer??

Tech Talk for Nissan owners.

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MQ Front Hub Spacer??

Post by Screwy »

This thing sits inbetween the STUB AXLE, and the Swivel Hub Housing, and is held in place with the same 6 bolts that hold the disk brake backing plate in ( it sits up against the backing plate in there ).

Ive seen this in a little less than half the MQs ive had, and i have none of them in the Diffs i have spare.

Nissan Lists this Spacer as a Part, $ 45 is wat they are worth each from melbourne. Its a Plastic, polymer spacer that seem to only space the angle of the disk on the caliper.
It dont space out much else....... :roll:

I did some big damage in the front end on the way home from Kingys and after replaceing all parts, and back together noticed that the caliper wouldnt bolt up straight ( if i did the top bolt up the disk would come tight against the front of the metal part of the caliper ).I put a washer in as a quick fix on the caliper, but the tyre was still scrubbing on the edge, the only reason i noticed was that the side lugs on the swampers where vibrating at low speeds. :cry:
Turns out there was a spacer in there, and i sqaushed the bottom of it with all the pressure which changed the angle on the disk in proportion to the caliper.

Ive pulled it out and bolted all up again now its sweet.
Doesnt appear to be needed. :D

Am i the only one thats ever seen this spacer? i know its been in more than just my rig as my front diff has been rebiuld many times and is made up of parts all the way through MQ - MK..... :?
Funny thing is, it only ended up being in one side of my diff......
The side i damaged.

Anyway, in the side on pic the side next to my fingers measures 7mm Thick, and the oppisite side measures 1.5mm thick :shock:

long story short.... ANYONE ELSE EVER SEEN THESE?!?!?!

screwy :D
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Post by bazzle »

It looks like a tappered caster fix spacer. Throw away if still drives straight.

Bazzle
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Post by Screwy »

bazzle wrote:It looks like a tappered caster fix spacer. Throw away if still drives straight.

Bazzle


yeh i was nearly positive it was to do with the preloads...
The funny thing is it never affected anything being there before i did the damage, now all of a sudden its no good.
Id say it was far more flat than that before as it makes a big difference with it in there...

Just amazed Nissan has a listing on the part... Was wondering if anyone else has seen it.....

screwy
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Post by sledheadak »

it is a castor/camber shim plate.looks just like the ones that are used on older american trucks that have a solid axle under it.have yout alignment checked to see if the front end is in spec and if it is dont worry about it.
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spacer

Post by DR Frankenstine »

never seen one in the 50 front ends i've had appart. But it would be a castor correction spacer
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Post by Screwy »

Well Shes Gone NOW :D :armsup:
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Post by Heathx4 »

Another grave dig here:

I had that spacer on my passenger side. Confused the piss out of me, and how's this - I didn't notice that it was tapered at all. I'm sure (but will certainly be double checking now!) that it was even thickness all the way around. I figured it was just to space everything out to the right spot - I'm sure without it the axle would have been too long. That is, the end of the axle sits about 2mm from the pinion axle in the centre of the diff. If the spacer were not there I'm sure the axle would be able to hit the pinion shaft.

Interesting that it's not common.
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Post by Screwy »

Heathx4 wrote:Another grave dig here:

I had that spacer on my passenger side. Confused the piss out of me, and how's this - I didn't notice that it was tapered at all. I'm sure (but will certainly be double checking now!) that it was even thickness all the way around. I figured it was just to space everything out to the right spot - I'm sure without it the axle would have been too long. That is, the end of the axle sits about 2mm from the pinion axle in the centre of the diff. If the spacer were not there I'm sure the axle would be able to hit the pinion shaft.

Interesting that it's not common.
its a factory tow in tow out shim......

it just causes problems. i pulled mine out and got a wheel allignment.
its perfect now.

screwy
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