Special Tools
EN-29184 Oil Seal Installer
For equivalent regional tools, refer toSpecial Tools.
Removal Procedure
Remove the crankshaft balancer. Refer toCrankshaft Balancer Replacement.Remove the crankshaft front oil seal using a suitable flat blade tool.Installation Procedure

Note:Do not lubricate the crankshaft front oil seal or the crankshaft balancer sealingsurfaces.
Use the EN-29184 installer-(1) or equivalent to install the crankshaft front oil seal-(2).Install the crankshaft balancer. Refer toCrankshaft Balancer Replacement.
Engine Front Cover Assemble Engine Block Cylinder Block Cyl Block Front Cover
Crankshaft Front Oil Seal Installation Engine Block Seals and GasketsSelecting the Right Engine Oil
(Diesel Engines)
Selecting the right engine oil
depends on both the proper oil
specification and viscosity grade:
Specification
Ask for and use engine oils that
meet the dexos2 specification.
Engine oils that have been
approved by GM as meeting the
dexos2 specification are marked
with the dexos2 approved ...