Egr Cooler And Cooler Support Bracket - Detroit Diesel MBE 4000 Service Manual

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EGR COOLER AND COOLER SUPPORT BRACKET

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The EGR system is equipped with a single-pass cooler. Exhaust gasses coming from the first

three cylinders are directed through the EGR shut off valve, through the cooler and reed valves,

past the EGR control valve and the mixer, then back to the cylinder.

EGR Cooler and Support Bracket Removal

Remove the EGR cooler and its support bracket as follows:

The exhaust manifold and the gas inlet pipe have already been removed at this point. It

is then possible to remove the cooler and support bracket without removing the throttle

valve first.

1. Disconnect the coolant vent line located on top of the EGR cooler. See Figure 7-18.

1. Coolant Outlet Pipe Bolts

2. Coolant Vent Line

2. Remove the bolt attaching the coolant outlet pipe bracket to the pipe. Remove the bracket.

3. Remove the two bolts attaching the coolant outlet pipe flange to the coolant pump.

Discard the gasket.

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Removal of Coolant Vent Line and Coolant Outlet Pipe

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4. EGR Coolant Outlet Pipe

5. Coolant Outlet Pipe Bracket

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All information subject to change without notice.

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