TORQUE SPECS FOR CUMMINS ISC, QSC, ISL, & QSL

April 10, 2023

CYLINDER HEAD PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] CYLINDER HEAD CAPSCREWS (CAPS FUEL SYSTEM) N/A 1. 50 N•M [ 37 FT-LB ] 2. 148 N•M [ 109 FT-LB ] 3. 148 N•M [ 109 FT-LB ] 4. ADVANCE 90 DEGREES. CYLINDER HEAD CAPSCREWS (COMMON RAIL FUEL SYSTEM) N/A 1. 50 N•M [ 37 FT-LB ] 2. 150 N•M [ 111 FT-LB ] 3. LOOSEN ALL CAPSCREWS 4. 115 N•M [ 85 FT-LB ] 5. 115 N•M [ 85 FT-LB ] 6. ADVANCE 120 DEGREES. CYLINDER HEAD CAPSCREWS (CYLINDER BLOCK SERIAL NUMBERS: 9826882 & HIGHER) N/A 1. 50…
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Torque Specs For The Cummins KTA19

April 7, 2023

CYLINDER HEAD PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] SHINEY CHROME HEAD BOLT 170MM [6¾ IN] 1. 65 N•M [ 48 FT-LB ] 2. 160 N•M [ 118 FT-LB ] 3. 250 N•M [ 184 FT-LB ] 4. 345 N•M [ 254 FT-LB ] BLACK HEAD BOLT 170 MM [6¾ IN] 1. 65 N•M [ 48 FT-LB ] 2. 200 N•M [ 148 FT-LB ] 3. 340 N•M [ 251 FT-LB ] 4. 490 N•M [ 361 FT-LB ] ZINC PHOSPHATE GRAY HEAD BOLT 203 MM [8 IN] 1. 65 N•M [ 48 FT-LB ] 2. 200 N•M…
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Torque Specs For Cummins 6CTA

April 5, 2023

CYLINDER HEAD POST 1991 ( New Capscrews) PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] NEW CYLINDER HEAD CAPSCREWS (ALL 26 CAPSCREWS) N/A 95 N•M [ 70 FT-LB ] PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] NEW CYLINDER HEAD LONG CAPSCREWS ( 14 LONG CAPSCREWS) N/A 145 N•M [ 107 FT-LB ]   PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] NEW CYLINDER HEAD SHORT CAPSCREWS (6 SHORT CAPSCREWS EXHAUST SIDE) N/A 105 N•M [ 77 FT-LB ] PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] NEW CYLINDER HEAD SHORT CAPSCREWS (6 SHORT CAPSCREWS INTAKE…
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TORQUE SPECS FOR CUMMINS B3.9, B4.5, B4.5 RGT & 5.9L

March 27, 2023

Cylinder Head PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] CYLINDER HEAD CAPSCREWS (4-CYLINDER ENGINE ALL CAPSCREWS) N/A 90 N•M [ 66 FT-LB ] NOTE: On a four cylinder engine, capscrew number 1 is located in between cylinders 2 and 3. The numbered sequence is the same as a six cylinder, but stops at capscrew number 18.   PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ] CYLINDER HEAD CAPSCREWS (6-CYLINDER ENGINE ALL CAPSCREWS) N/A 90 N•M [ 66 FT-LB ] CYLINDER HEAD CAPSCREWS (4-CYLINDER ENGINE, LONG CAPSCREWS NUMBERS 4, 5, 12, & 13) N/A 120 N•M [ 89 FT-LB…
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Why You Would Want To Change Your Sea Water Pump On A Cummins Engine

March 8, 2023

Reasons you might need to change your sea water pump on a Cummins Engine   Here are some reasons why you may need to change the sea water pump on a Cummins engine: Wear and tear: Over time, the impeller and bearings of the sea water pump can wear down due to continuous use, leading to decreased pump performance and efficiency. Eventually, the pump may stop working altogether, which can cause engine overheating and other problems. Corrosion: Sea water pumps are exposed to saltwater, which can cause corrosion of the pump housing, impeller, and other components. Corrosion can cause leaks,…
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Reasons To Replace The Cylinder Head On Your Cummins Engine

March 8, 2023

Here are some reasons why you may need to replace the cylinder head on your Cummins engine: Cracked or warped head: A cracked or warped cylinder head can cause significant engine problems such as loss of compression, coolant leaks, and overheating. In such cases, replacement of the cylinder head is necessary to restore the engine's performance. Valve damage: The valves in the cylinder head can become damaged due to wear, corrosion, or overheating. If the valves are not sealing properly, it can cause loss of compression and other engine problems that require cylinder head or cylinder head valve replacement. Timing chain/belt…
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