Toyota Highlander Service Manual: Front suspension system

Front suspension

...

Problem symptoms table

Use the table below to help determine the cause of the problem. The numbers indicate the priority of the possible cause of the problem. Check each part in order. If necessary, replace these parts ...

More about Toyota Highlander:

Trailer tongue weight
A recommended tongue weight varies in accordance with the types of trailers or towing as described below.  To ensure the recommended values shown below, the trailer must be loaded by referring to the following instructions.  Tongue weight The gross trailer weight should b ...