front end tech

Post by **robbie** » Mon Oct 20, 2003 8:14 pm

got a bit of free-play up and down on front end on each wheel, not much, but noticeable.

how can I tell if its the wheel bearings, or the swivel bearing needing another shim?

Post by **robbie** » Mon Oct 20, 2003 9:32 pm

anyone?

Post by **Area54** » Mon Oct 20, 2003 9:37 pm

With the wheel off the ground, the steering wheel locked, is there play top and bottom and left and right, or just top and bottom? L & R, wheel bearings only, T & B wheel bearings and or knuckle bearings.

To measure steering knuckle preload, buy a cheap fish weigh scale from crazy clarks (or similar cheap import store) for about 4 bucks, get a shim pack and dial up the specs for your bundy. Easy.

Post by **Area54** » Mon Oct 20, 2003 9:42 pm

Is it more pronounced on the passenger wheel? The wheel bearings have more of a tendency to loosen on this side due to right hand thread of the lock nuts.

Post by **robbie** » Mon Oct 20, 2003 9:45 pm

they were repacked 6months ago.. so should they be up for a service soon?

Post by **Area54** » Mon Oct 20, 2003 9:53 pm

Prolly not a repack, unless you've done 35,000 - 40,000km since last service, but might need a retension. Easy to do yourself, you just need to be methodical if you haven't done it before, and a few special tools.

Post by **robbie** » Mon Oct 20, 2003 9:54 pm

yer, I have done it before, just wondering what it might be..

cheers

Post by **Area54** » Mon Oct 20, 2003 10:02 pm

Sounds more like the wheel bearings then, if they were repacked recently, and if you haven't been jumping the truck. If you have more play in the knuckle bearings than spec, you would need some thinner shims to apply more preload, also you would need to measure the centreline of the knuckle to ensure the cv is held centrally by the spindle.

Post by **robbie** » Mon Oct 20, 2003 10:06 pm

Area54 wrote:also you would need to measure the centreline of the knuckle to ensure the cv is held centrally by the spindle.

woops, didn't know about this.. :oops:

Post by **dumbdunce** » Mon Oct 20, 2003 10:36 pm

the knuckle bearings hardly ever go bad unless you drive really hard and/or in a lot of water, and it's so easy to just nip up the wheel bearings to check anyway. drop the locking hubs, spin the BFN's# up, test wheel wobble.

# Big :bad-words:

Nuts!

Post by **robbie** » Mon Oct 20, 2003 10:38 pm

might have to do this.. should have done it tonight after work, but fark it..friday it is :cool:

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