For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2006 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 4.6L (LH2) 🢒 New Product Information

New Product Information for Cadillac STS 2006

The purpose of New Product Information is to highlight or indicate important changes from the previous model year.

Changes may include one or more of the following items:

•	Torque values and/or fastener tightening strategies

•	Changed engine specifications

•	New sealants and/or adhesives

•	Disassembly and assembly procedure revisions

•	Engine mechanical diagnostic procedure revisions

•	New special tools required

•	A component comparison from the previous year

The engine mechanical fastener tightening specifications have changed for 2006.

•	The engine flywheel bolts diameter and torque have increased.

•	The oil pan bolt tightening procedure has been revised to a two pass sequence.

•	The crankshaft balancer bolt tightening procedure has had the torque angle increased.

•	Refer to Fastener Tightening Specifications .

There are no changes to the engine specifications for 2006.

There are no sealant and adhesive changes for 2006.

•	There are no disassembly procedure changes for 2006.

•	The tightening of the oil pan bolts has been revised to a two pass sequence.

There are no revisions to the engine mechanical diagnostic procedures for 2006.

There are new special tools required for 2006.

•	The crankshaft rear seal removal tool J 42841-A has been revised to fit both small or large engine flywheel bolt holes in the crankshaft.

•	The crankshaft rear seal installation tool J 45930-A has been revised to fit both small or large engine flywheel bolt holes in the crankshaft.

•	The valve retainer removing and installation tool J 43059 has been replaced by J-43059-A .

•	The piston pin clip remover and installation tool J 43654 has been replaced by EN-46745 .

There are component changes for 2006.

•	The PCV hose now incorporates EVAP style connectors.

•	The ignition coils are revised.

•	The increase in engine flywheel bolt diameter affects the following components:

-	Engine flywheel bolts

-	Engine flywheel

-	Crankshaft