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I discovered that one of the automatic locking hubs on my '93 Explorer is missing the two plastic shims/washers that sit on the spindle nut behind the cam assembly.
I went back to the brake shop that last worked on it and was told that "you don't need those" and so they refuse to replace them (partly because they say that the shims are not available separately and it would cost them $$$).
Are they right? Can I let this slide? What do the shims do (they are less than 0.010 inches)?
I WOULD MAKE THEM REPLACE IT BC IT MIGHT CAUSE THE CAM ASSEMBLY TO FALL OUT OF PLACE AND CAUSE DAMAGE TO THE HUB ASSEMBLY THEM IT WILL BE MOREMONEY IN THE END BC THOSE SHIMS HOLD THE CAM IN PLACE THEN THIER IS A CLIP THAT HOLDS THE SHIMS IN PLACE GOOD LUCK
Thanks jclj2003 for the posting. It sounds like you are thinking of the splined washer that holds the axle shaft in place. The automatic hub parts in the order of removal are:
hub housing -> C-clip -> splined washer -> cam assembly -> (2) thrust washers -> spindle nut key -> spindle nut -> outer wheel bearing -> rotor -> inner wheel bearing.
My question concerns the "(2) thrust washers".
Anyone who knows what happens if these washers are missing. please leave a posting.
Thanks.
yea mine were missing too but does not seen to affect the usage of it one side they were just thin plastic washers but were badly damaged and i removed them when i did the ball joints but the 4x4 works fine
Here's my opinion on this... did Ford design it with or without the washers? Since they designed them to be there, I would make the brake shop replace them, and not leave until you get the job done right.