Egr Thermostat Housing - Detroit Diesel MBE 4000 Service Manual

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EGR THERMOSTAT HOUSING

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The thermostat for the EGR engine has the same removal, installation, and checking instructions

as for the non-EGR engine (refer to section 4.5), but the thermostat housing cover is different by

design to accommodate the EGR modulated control valve mounting. See Figure 4-17.

1. EGR Modulated Valve Mounting Holes

EGR Thermostat Housing Cover Removal

Remove the EGR thermostat housing cover as follows:

1. Remove the four bolts that attach the EGR modulated control valve to the housing cover

and remove the valve.

2. Remove the three thermostat housing cover mounting bolts.

3. Remove the two bolts that attach the reed valve housing bracket to thermostat cover.

Remove bracket.

4. Remove any other hose or fitting connections.

EGR Thermostat Housing Cover Installation

Install the EGR thermostat housing cover as follows:

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EGR Thermostat Housing Cover

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2. Thermostat Housing Cover Mounting Holes

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All information subject to change without notice.

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