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In the sequence shown in diagram using new head bolts.
First - All to 61 Nm (45 ft. lbs.) Second - All to 88 Nm (65 ft. lbs.) Third - All (again) to 88 Nm (65 ft. lbs.) Fourth + 1/4 turn Do not use a torque wrench for this step.
For the valve cover gasket bolts tighten to 100 in. lbs
TORQUE ALL BOLTS PROPER SEQUENCE TO 14 FT LBS.THEN PAINT MARK ON THE OF EACH BOLT.USING MARK AS A REFERENCE TIGHTEN ALL THE BOLTS PROPER SEQUENCE AN ADDITIONAL 90 DEGREES.THEN TIGHTEN ALL BOLTS IN SEQUENCE ADDITIONAL 90 DEGREES. WRITE THIS NUMBER ON A PIECE OF PAPER. 8 4 1 5 AND UNDER THAT NUMBER WRITES THIS NUMBER UNDER THE NUMBER JUST GAVE YOU 7 3 2 6 THIS IS YOUR CYLINDER HEAD BOLT TORQUE SEQUENCE.
Torque sequence -----------
' 9 7 3 1 5 '
' 8 4 2 6 ' ----------- Step
1: torque in sequence to 45 Ft/Lbs Step 2: torque in sequence to 65
Ft/Lbs Step 3: torque in sequence to 65 Ft/Lbs again plus 1/4
turn Step 4: Torque small bolt in rear of head to 25 Ft/Lb Recheck
final torque in sequence *** CAUTION ***engine uses
Torque To Yield head bolts (TTY) thatpermanently stretch during the
initial installation.New head bolts must be used when cylinder head
isreplaced or re-installed to obtain proper torque. 3.3L
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