Conical Tooth Washer Placement for Trailer Hitch Installation on a 2010 Toyota Yaris
Updated 01/20/2012 | Published 01/19/2012
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Question:
1. The washers appear bowl shaped. Does the bowl top point toward the hitch or the head of the bolt. A diagram would remove any ambiguity in your answer 2. Would thread lock be appropriate in this installation?
asked by: William B
Expert Reply:
The washers that are included with trailer hitch # 24819, are conical tooth washers similar to # 01292006-020-01. You are correct, they are sort of bowl shaped. The tooth end goes towards the hitch. I have included a link to the installation instructions for the hitch.
Using a thread locker like Loc-Tite, # LT37643, can be done but it is not necessary. The conical tooth washer prevents the bolt from backing out.
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