You have a clan lab in the back of your truck? Assuming no, this was posted by partsguy in
another thread. .
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">brand update -july1,2004
03-04-05 H2
propane odor in the vehicle
cause could be a sealer skip in the
rear wheel house area that could let the
rear axle vent vapors find their way into
the passenger compartment.
your dealer will have this update. </div></BLOCKQUOTE>
Also see
this thread.