Diesel Exhaust Fluid Pump - Inspect/Test
Small amounts of DEF weeping out of the pump may be an indication that the pump needs to be rebuilt with a replacement diaphragm. Crystallized DEF may also be an indication that the pump needs to be rebuilt with a replacement diaphragm.
For information on testing the Diesel Exhaust Fluid Pump, refer to the applicable Troubleshooting manual.
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(1) Diesel Exhaust Fluid (DEF) Pump | |
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