Operation CHARM: Car repair manuals for everyone.
Home >> Cadillac >> 2009 >> STS RWD V8-4.4L SC >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Cylinder Block Assembly >> Piston >> Specifications
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Piston: Specifications

PISTON DIMENSIONS AND CLEARANCES

Piston Diameter @ 42 mm (1.6353 in) Below Crown with Piston Skirt Coating 90.967-90.990 mm (3.5814-3.5823 in)
Piston to Bore Clearance with Piston Skirt Coating -0.016-0.031 mm (-0.0006-0.0012 in)
pro multis · About Operation CHARM