This instruction show you guide on how to identify the cause of a Noisy 1-BOX aftertreatment for Detroit Diesel EPA01 10 GHG14 engine.
Related Contents:
2023 Detroit Diesel Diagnostic Link DDDL 8.17 8.09 Free Download
JPRO DLA+ 2.0 Adapter
NEXIQ USB Link Adapter
Steps:
1 Visually inspect the entire exhaust system for signs of leaks or damage. Is any damage found?
1a Yes; repair as necessary.
1b No; Go to step 2.
2 Inspect that the aftertreatment inlet heat shields are not broken loose and rattling. Is there a loose or damaged heat shield?
2a Yes; repair the heat shield. If the inlet heat shield has tabs, refer to 11 TS-6 .
2b No; Go to step 3.
3 Inspect the inboard and outboard Diesel Particulate Filter (DPF) covers and verify nothing is loose or rattling. Is there a loose DPF cover?
3a Yes; repair the loose cover.
3b No; Go to step 4.
4 Turn off engine after inspection.
5 Disconnect the aftertreatment inlet pipe and start the engine to verify the noise is coming from the aftertreatment. Did the noise go away once the aftertreatment inlet pipe was disconnected?
5 a Yes; reconnect the aftertreatment inlet pipe and Go to step 6.
5 b No; inspect other truck components to identify the noise.
6 Connect DiagnosticLink 8.18.
7 Start the engine and run a Parked Regen. Monitor Diesel Oxidation Catalyst (DOC) inlet pressure and engine speed during the regen.
8 Review the last seven minutes of the parked regeneration log data. The illustration below identifies the last seven minutes of the parked regen.
9 Is the Selective Catalyst Reduction (SCR) inlet temperature lower than SCR outlet temperature by more than 38
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