Saab Engine >> CRANKSHAFT SPECIFICATIONS FOR 1997-2001 CATERA ENGINE
Saab Engine >> CRANKSHAFT SPECIFICATIONS FOR 1997-2001 CATERA ENGINE
Crankshaft Specifications For
1997-2001 GM 3.0L VIN R Engines
The AERA Technical Committee offers the following information on crankshaft specifications for 1997-2001 GM 3.0L VIN R engines. It has been reported that various forms of published service information supplied incorrect rod journal dimensions.
The correct dimension for the connecting rod journal is 2.1248-2.1256 (53.971-57.990 MM). Casting numbers reported for this engine?s crankshaft include 90499243 and 1255069.
Location Dimension Oil Clearance
Rod Journal 2.1248-2.1256 (53.971-57.990 MM) .0005-.0024 (.013-.061 MM)
Main Journal 2.6763-2.6770 (67.978-67.996 MM) .0006-.0017 (.015-.043 MM)
Stroke 3.3464 (84.999 MM)
NOTE: The main bearing halves in bearing caps 2 and 3 have no oil-ways.
Undersize bearings available for the crankshaft include .010 (.25 mm) & .020 (.50 mm) for both rod and main locations. These bearings are currently available from the vehicle manufacturers network or GM.
Note: This engine is also used in various Saab and Opel vehicles beginning in 1995.
The AERA Technical Committee
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