Required Tools | |||
Tool | Part Number | Part Description | Qty |
A | 441-0451 | Test Kit (DEF) | 1 |
- Remove the Diesel Exhaust Fluid (DEF) injector from the Clean Emissions Module (CEM). Refer to Disassembly and Assembly, "DEF Injector and Mounting - Remove and Install" for the correct procedure.
Note: Leave the coolant lines, DEF line, and the electrical connector connected to the DEF injector.
Show/hide tableIllustration 1 g03370846 DEF injector bolted to measuring container lid Show/hide tableIllustration 2 g03370910 A typical example 441-0451 Kit -Test assembled for the test procedure - Assemble the DEF collection container from Tooling (A). Three bolts and wing nuts will connect the DEF injector to the lid for the collection container.
Note: In Tooling (A) there are extensions for the DEF line and the electrical connection if needed.
- Turn the key switch to the ON position.
- Connect to the electronic service tool.
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Illustration 3 g03370860 - Click "Diagnostics" in the main menu, then click "Diagnostic Tests".
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Illustration 4 g03370869 - Proceed by clicking "DEF Dosing System Accuracy Test".
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Illustration 5 g03370974 - Click "Start" to proceed with the test.
Note: With the DEF injector dosing, inspect the spray pattern. The injector spray pattern should be finely atomized and conical.
Show/hide tableIllustration 6 g03370954 Typical example - After the test has completed on each occasion, dispose of the collected DEF as per local regulations and mandates.
- Repeat the test procedure. Document the quantity of DEF collected.
Specification for DEF sprayed during dosing test ... 100 mL to 130 mL
- Install the DEF injector assembly. Refer to Disassembly and Assembly, "DEF Injector and Mounting - Remove and Install" for the correct procedure.
Note: Use de-ionized water, distilled water, or Diesel Exhaust Fluid (DEF) to lubricate the O-ring seals of the connections of the diesel exhaust fluid lines before installation of the diesel exhaust fluid lines.If DEF has been used to lubricate the O-ring seals of the connections of the diesel exhaust fluid lines. The excess DEF must be cleaned from the connections of the diesel exhaust fluid lines.