System Specifications

General Specifications

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a Head Gasket Surface - WT=12/2.5. Head Gasket Surface Finish-RZU-13.5 micron. Filter cut off at .08 min TPI @ 3.5 microns below the peak 63% min. Cut off at.08 mm (0.031496 inch), O Ref=2V.

Torque Specifications

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a Tighten in two stages:
Stage 1: 5 Nm (44 inch lbs.)
Stage 2: 10 Nm (89 inch lbs.)
b Advance one-half turn after gasket contacts the sealing surface.
c Tighten the bolts in sequence in three stages:
Stage 1: 6 Nm (53 inch lbs.)
Stage 2: 8 Nm (71 inch lbs.)
Stage 3: Rotate an additional 90 degrees.
d Tighten the bolts in sequence in two stages:
Stage 1: 5 Nm (44 inch lbs.)
Stage 2: 10 Nm (89 inch lbs.)
e Tighten in two stages:
Stage 1: 5 Nm (44 inch lbs.)
Stage 2: 35 Nm (26 ft. lbs.)
f Tighten in three stages:
Stage 1: 20 Nm (15 ft. lbs.)
Stage 2: 40 Nm (30 ft. lbs.)
Stage 3: 50 Nm (37 ft. lbs.)

Caution: Do not loosen all the bolts at the same time, only work on one bolt at a time. In sequence, loosen the bolts two or three revolutions and tighten the bolts one at a time in the following manner. Long bolts: 45 Nm (33 ft. lbs.). Tighten an additional 180 degrees. Go to the next bolt in sequence. Short bolts: 25 Nm (18 ft. lbs.). Tighten an additional 180 degrees. Go to the next bolt in sequence.

g Tighten in two stages:
Stage 1: 55 Nm (37 ft. lbs.)
Stage 2: Rotate an additional 90 degrees
h Tighten in three stages:
Stage 1: 25 Nm (18 ft. lbs.)
Stage 2: 45 Nm (33 ft. lbs.)
Stage 3: Rotate an additional 105 degrees.

For cylinder head bolts refer to procedure Service and Repair

For exhaust manifold refer to procedure Service and Repair

Pulley-to-crankshaft bolt refer to procedure Service and Repair

Main bearing cap bolt refer to procedure Service and Repair

Connecting rod bolt refer to procedure Service and Repair

Main bearing cap adjusting bolts refer to procedure Service and Repair

Exhaust Manifold Tightening Sequence