The pump is disabled. Not broken. Not frozen. Disabled! If you’re in desperate need of DEF you will be buying it in jugs. Single-use plastic jugs. Didn’t some places ban plastic straws because they end up choking aquatic species? I was at a major fueling station the other day when...
Either impeller can be used with the same pump but it is important to use the correct diffuser cover to attain the proper performance. See figures below. High Flow Impeller High Head Impeller 8 DISASSEMBLY & REASSEMBLY INSTRUCTIONS Disassembly 1. Cover, Impeller, & Diffuser Removal - Unthread ...