
Install the EGR valve/hot pipe to the EGR cooler inlet and exhaust manifold outlet. Orient the pipe with the lever side attaching to the exhaust manifold outlet.
Install the EGR/Hot Pipe and turbocharger heat shields. WARNING: PERSONAL INJURY Diesel engine exhaust and some of its constituents are known to the State of California to cause
Exhaust gas cooling is accomplished by the flow of exhaust gases through the EGR cooler tubes. The EGR cooler core then transfers the heat removed from the exhaust gases to the engine coolant. The cooled exhaust gases are then mixed with incoming air from the Charge Air Cooler (CAC) before being sent to the intake manifold. Figure 1.
1. Remove the Marmon clamps (2) and Exhaust Gas Recirculation (EGR) hot pipe (3) and inspect for any signs of liquid or moisture. The EGR hot pipe (exhaust pipe) and EGR cooler water manifold inlet (1) should have a black dry soot residue inside. a. If liquid or moisture is present in the pipe, Go to step 2. b.
Exhaust System and Exhaust Gas Recirculation System
The EGR system consists of an EGR valve and actuator, EGR hot pipe, EGR venturi, EGR cooler, and its associated parts. The purpose of the EGR System is to reduce engine exhaust gas emissions in accordance with EPA regulations. The EGR actuator opens and closes the EGR valve to allow hot exhaust gas to enter the EGR cooler.
Detroit Diesel DD15 Engine Workshop Manual | PDF
The EGR hot pipe (exhaust pipe) and EGR cooler inlet (1) should have a black dry soot residue inside. [a] If liquid or moisture is present in the pipe, go to the next step. [b] If there is no sign of liquid or moisture in the pipe or EGR cooler (1), install the hot pipe.
19.3 Installation of The GHG14 DD15 at Exhaust Gas ... - Scribd
The document provides installation instructions for an exhaust gas recirculation valve and hot pipe on a GHG14 DD15 AT engine. It instructs to install the EGR valve/hot pipe using new sealing gaskets, install new exhaust clamps and torque them to the specified value, sweep the EGR valve lever to check for clearance after installing, and run an ...
19.1 Description and Operation of The GHG14 DD15 AT Exhaust …
The document describes the GHG14 DD15 AT Exhaust Gas Recirculation Valve/Hot Pipe. It is part of the EGR hot pipe connected to the exhaust manifold and EGR cooler. The EGR valve position is controlled by Detroit Diesel Electronic Controls and monitored by the Motor Control Module, which uses engine operating data like RPM, load, and air ...
Detroit Diesel DD15 EGR Valve Hot Pipe | A4701402108
The DDE A4701402108 Detroit Diesel DD15 EGR Valve Hot Pipe is a crucial component of the exhaust gas recirculation (EGR) system designed to manage exhaust gases in the engine. This hot pipe is constructed from iron and operates at a pressure of 2 bar and a temperature of 25 degrees Celsius.
Install the EGR hot pipe onto the EGR cooler and the EGR valve with two new spherical clamps and tighten clamp bolts to 12 N·m (9 lb·ft). Refer to section "Installation of the Exhaust Gas Recirculation Hot Pipe".