Engine - Torque To Yield Bolt Torque Specifications
Group ENGINE MECHANICALNumber 09-EM-006
Date AUGUST, 2009
Model
MULTIPLE MODELS (SEE BELOW)
Subject
GUIDELINES AND TORQUE SPECIFICATIONS OF ENGINE FASTENERS USING THE TORQUE-ANGLE METHOD
This bulletin is an extension of TSB 02-20-002 to include latest models and guidelines.
DESCRIPTION:
The information outlined in this bulletin provides reuse guidelines and torque specifications for the cylinder head, connecting rod, and main bearing bolts that must be fastened using the torque-angle method.
VEHICLES AFFECTED
REQUIRED TOOLS:
^ Torque Wrench (1/4" for small torque and 3/8" for medium torque values)
^ (OPTIONAL) Torque Angle Gauge
NOTE:
Commercially available torque angle gauges such as the Snap-On (P/N TA360) can be used as an aid to determine the angular values.
SERVICE INFORMATION:
^ Always use fresh engine oil to coat the bolt threads and both sides of the washer of a torque-angle fastener.
^ Follow the loosening and tightening sequence specified in the applicable Shop Manual for the cylinder head bolts and the main bearing cap bolts.
CYLINDER HEAD BOLTS
MAIN BEARING CAP BOLTS
CONNECTING ROD CAP BOLTS