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How big are the bolts on a Cummins 6BT?

How big are the bolts on a Cummins 6BT?

Cummins 6BT Cylinder Head Bolts Step 1 = 90 Nm, 66 lb.ft (All bolts) Step 2 = 120 Nm, 89 lb.ft (long bolts) Step 3 = 90 Nm, 66 lb.ft (re-tighten short bolts) Step 4 = 120 Nm, 89 lb.ft (re-tighten long bolts) Step 5 = + 90 degrees (All bolts)

How are the head bolts on a Cummins Engine tightened?

It also has tunnels, called ports, through which the fuel/air mixture and the exhaust gases travel on their way into and out of the combustion chamber. The cylinder head bolts to the engine block. The bolts must be tightened with a certain amount of force. Too much force and the bolts weaken or the threads on each bolt are damaged.

What are the torque settings for a head bolt?

The bolts must be tightened in a certain pattern and to intermediate torque settings, which are usually finger tight, half of the final figure and full torque. The owner’s manual has a diagram and the intermediate settings.

What are the torque settings for a Cummins 5.9 liter?

Cylinder Head Torque Settings For the Cummins 5.9-liter engines made between 1983 and 1989, the bolts in the cylinder head must be tightened to 89 foot-pounds plus an extra 1/4 turn. For engines made between 1998 and 2003, the figure is 77 foot-pounds plus the extra 1/4 turn.

Cummins 6BT Cylinder Head Bolts Step 1 = 90 Nm, 66 lb.ft (All bolts) Step 2 = 120 Nm, 89 lb.ft (long bolts) Step 3 = 90 Nm, 66 lb.ft (re-tighten short bolts) Step 4 = 120 Nm, 89 lb.ft (re-tighten long bolts) Step 5 = + 90 degrees (All bolts)

How to install a 5.9L Cummins Street head?

STEP 1: Install the cylinder head gasket. A new gasket must be used, never re-use an old gasket. NOTE: For 5.9L street head we recommend Mahle 54556A or Cummins 3958645. For 6.7L street head we recommend Mahle 54774 or Cummins 4932210 STEP 2: Place the cylinder head on the block, properly seat it into the dowels.

How tall is 5.9 liter Cummins ISB?

Cummins ISB and QSB Dimensions and weight 5.9 liter approx Dimensions: length 1036 mm, 41 in width 836 mm, 33 in height 880 mm, 35 in 5.9 liter approx Weight: 612 kg, 1350 lb 6.7 liter approx Dimensions: length 1097 mm, 43 in width 910 mm, 36 in height 857 mm, 34 in 6.7 liter approx Weight: 659 kg, 1450 lb Click for Cummins ISB…

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Ruth Doyle