Detroit Diesel MBE 4000 Service Manual page 57

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9. Remove the exhaust manifold bolts.
NOTE:
If removing one or two cylinder heads, loosen the bolts on the rest of the exhaust
manifold.
10. Pull the exhaust manifold away from the engine, towards the frame rail. Remove all the
gaskets.
NOTE:
If removing all cylinder heads, remove the exhaust manifold from the engine.
11. Remove the fuel return line from the cylinder head. Discard the seal rings.
12. Disconnect the constant-throttle line from the cylinder head. Discard the seal rings.
13. Disconnect the coolant line from the cylinder head.
14. Using the head bolt impact socket (J 45389 or 422 589 00 09 00), loosen the cylinder
head bolts. When all the bolts are loose, remove the bolts from the cylinder head.
See Figure 1-5.
Figure 1-5
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Loosening the Head Bolts
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MBE 4000 SERVICE MANUAL
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