- No category yet.
Watch this step-by-step video instruction on Replacing a Semi-Trailer Hubcap in 3 Easy Steps.
STEP #1: Disconnect the PSI Lines, if needed.
STEP #2: Remove the Old Hubcap. Drain the oil. And remove the PSI insert.
STEP #3: Install the New Hubcap with the new seal. Install the bolts, and reconnect the PSI lines.