Cylinder Block - Detroit Diesel 92 Series Service Manual

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SER/ES 92 SERVICE MANUAL

2. If a new service replacement block is used:

D Stamp the engine serial number and model number on the right-hand side of the

cylinder block.

Stamp the position number on the main bearing caps.

D Stamp the No. l bearing position on the oil pan mounting flange.

3. Use a suitable non-hardening sealant on the surface of the block.

4. Install all of the required cylinder block plugs and drain cocks.

Effective with engines built from and after February 16, 1998, the 1 in. diameter holes in

the front left-bank of 6V, 8V, 12V, and 16V cylinder blocks have been eliminated. This

area is now cast solid to provide enhanced coolant flow to the upper cylinder areas of

the engine. On blocks built prior to the foregoing date, the 1 in. diameter cup plugs

used to seal this area have been or should be replaced by 1-1/4 in. long solid rubber

service plugs. When properly installed, the solid plugs provide an inside coolant passage

configuration similar to that in the improved blocks, resulting in enhanced upper cylinder

cooling. For this reason, only the solid plugs should be installed in this area when

assembling or servicing former blocks. Cup plugs should no linger be used. Apply Loctite

620 or equivalent anaerobic sealant to the O.D. of the plugs, then install plugs in the

block until they bottom in the holes. Refer to section ADDITIONAL INFORMATION for

installation of new block plugs and cylinder block plugging instructions .

5. Install the necessary plugs and dowels. Refer to section ADDITIONAL INFORMATION,

cylinder block plugging instructions.

6. Use a suitable non-hardening sealant on the threads of the plugs and drain cocks.

7. Install the plugs flush with or below the surfaces of the block.

The plug, that blocks the oil cooler adaptor inlet from the adaptor outlet, must be installed

in the vertical passage.

8. Use tool J 33420 to install the 1 in. plug in the oil gallery to a 86.36 mm (3.40 in.) depth.

34650 to install the sealant-coated l/8 in.-27 pipe plugs.

10. Install a stepped dowel pin to replace loose pins in the rear main bearing cap.

11. Remove all burrs from the base of the dowel pins to ensure proper seating of the

thrust washers.

12. Install assemblies and parts .

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