VEHICLE DESCRIPTION: REAR ENGINE BUSES. THESE BUSES ARE POWERED BY A CNG ENGINE AND COPPER TUBING WAS USED AS VENT LINES.
RiskTHE COPPER TUBING IS UNABLE TO CONTAIN THE CNG VENTING IN THE ENGINE COMPARTMENT.
FixDEALERS WILL REPLACE THE 3/8" COPPER VENT LINE FROM THE LOWER REAR MANIFOLD TO THE ROOF WITH 1/2" STAINLESS STEEL TUBING.