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12V CUMMINS

Item# 12vcummins
CONNECTING RODS
CONNECTING RODS
Connecting Rod Bolt





Connecting Rod Cap Bolts

Step 1

26 ft. lbs.



Step 2

51 ft. lbs.



Step 3

73 ft. lbs.
connectingrods
MAIN BEARINGS
MAIN BEARINGS
Tighten the bolts in the sequence shown using the following steps:

STEP 1-Torque all bolts in sequence to 60 Nm (44 ft. lbs.) torque.

STEP 2-Torque all bolts in sequence to 119 Nm (88 ft. lbs.) torque.

STEP 3-Torque all bolts in sequence to 176 Nm (129 ft. lbs.) torque.

Turn the crankshaft to determine that it will rotate freely all 360°. Check the main bearing cap installations and/or the bearing sizes if the shaft does not turn easily.
mainbearings
CYLINDER HEAD
CYLINDER HEAD
Using the sequence shown, tighten bolts in the following steps:

Torque bolts to 90 Nm (66 ft. lbs.) (All Capscrews)

Recheck to 90 Nm (66 ft. lbs.) (All Capscrews)

Torque bolts to 120 Nm (90 ft. lbs.) (Long Capscrews Only)

Re-check all bolts to 120 Nm (120 ft. lbs.) (Long Capscrews Only)

Tighten all bolts an additional 1/4 turn (90 °) (All Capscrews)
cylinderhead
CRANKSHAFT ENDPLAY
CRANKSHAFT ENDPLAY
Verify crankshaft end play:

Push the crankshaft towards one end of its thrust and place a dial indicator as shown in (Fig. 184). Zero the indicator needle and push the crankshaft towards the other end of its thrust and record the crankshaft end clearance (Fig. 185). Install the front gear housing.

Install the crankshaft rear oil seal retainer.

Install the oil pan and suction tube.

Install engine into vehicle.
cren