PSP FOR REPLACING FAILED CYLINDER HEAD GASKETS ON CERTAIN 3406B TRUCK ENGINES - PS0450 - MAILED US AND CANADA, COFA, CFE L, TRUCK TEPS, LIMITED COSA
Usage:
@media screen {
div.divFooter {
display: none;
}
}
@media print {
div.divFooter {
position: fixed;
bottom: 0;
right: 0;
}
}
PSP FOR REPLACING FAILED CYLINDER HEAD GASKETS ON CERTAIN 3406B TRUCK ENGINES - PS0450 - MAILED US AND CANADA, COFA, CFE L, TRUCK TEPS, LIMITED COSA
NOTE:   The information supplied in this service letter may not be valid after the termination date of this program.   Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
(Revised August 1990) U-70 AU-44 E-45 O-60.1 TT-4 1124 PS0450 NOTE: This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0450" as Part Number, "7755" as Group Number, and "96" as Description Code. NOTE: This Revised Service Letter replaces the April 12, 1990 Service Letter. Changes have been made to the Affected Product, Parts Needed, Action Required, and Service Claim Allowances.
Termination Date
December 31, 1990
Problem
The cylinder head gasket may fail on certain 3406B Truck Engines and result in damage to the cylinder block, spacer plate, and/or cylinder head.
Affected Product
Model Identification Number 3406B 7FB86000-Up 9HB1-299 4MG1-62276 8SB1-2514 7XC1-1549 8TC1-8518
Parts Needed
*1 - Gasket Kit-Cylinder Head **1 - 9L5854 Band (Filler) **1 - 5N0093 Insert (.106") **3 - 6V5121 Seal **1 - 2W3815 Insert (.060") **1 - 2W8601 Plate-Spacer **1 - 7W3550 Liner **1 - 9Y3368 Insert (.030") * Part number varies by application. See the parts book microfiche and choose the appropriate gasket kit. Make sure the gasket kit contains the 7E6000 Cylinder Head Gasket. ** Quantity listed is per cylinder. Use as required if replacement is necessary due to a head gasket failure.
Action Required
After a cylinder head gasket fails, check the fuel settings and timing advance to insure that improper settings did not cause a failure. Disassemble the engine and inspect the cylinder head, cylinder block, and spacer plate for erosion or warpage. Verify that extensive operation after failure has not caused damage. If any damage exists, repair the damage. Resurface the cylinder head bottom deck if damage is repairable, or replace with a remanufactured cylinder head, if necessary. Wear or erosion under the liner flange will require a stainless steel insert, and possibly a new liner. (See the November 14, 1988 Service Magazine Article titled "New Liner Seat Available For 3400 Engines.") NOTE: Head gaskets can leak combustion without visual damage to fire ring assembly. Do not replace a cylinder head for an "assumed" internal crack unless a crack is visible or one is verified with leak test. If coolant loss is encountered, also inspect the OEM radiator shunt line installation, cylinder head vent line, and cylinder liner flanges for potential vertical cracks. Follow the procedure in the Service Manual and assemble the engine using a new 7E6000 Cylinder Head Gasket. Use the August 1989 Truck Engine News Article titled "Improved Head Gasket Used; Summary Of Earlier Gaskets And Service Tips" as reference. Liner projection measurements should be recorded in the dealer service report for reference.
Service Claim Allowances
Product Caterpillar Dealer Suggested Customer Suggested mile/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor % (C/L) (Sell) 0-149,999 100% 18 0 0 0 0 0-24 mo 150,000- 100% 9 0 0 0 50 249,999 25-36 mo 250,000- 100% 0 0 0 0 100 300,000 37-48 mo NOTE: This is an 18-hour job. Additional time can be claimed as follows: 2.0 hrs. for first liner that needs to be removed. .5 hrs. for each additional liner. 1.0 hrs. for first cylinder that needs counterboring. .5 hrs. for each additional one.
Parts Disposition
Any parts removed (with the exception of cores used for Caterpillar Remanufactured parts) can be rendered useless and scrapped immediately upon completion of the repair.
Caterpillar Information System:
PSP FOR INSTALLING NEW WATERCOOLED EXHAUST MANIFOLDS ON CERTAIN 3508, 3512, AND 3516 MARINE ENGINES - PS0415 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS PSP FOR INSTALLING NEW WATERCOOLED EXHAUST MANIFOLDS ON CERTAIN 3508, 3512, AND 3516 MARINE ENGINES - PS0415 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA, MARINE TEPS
PSP FOR INSTALLING A NEW FUEL SHUTOFF SOLENOID ON CERTAIN 3116 ENGINES USED IN CHEVROLET KODIAK AND GMC TOPKICK TRUCKS - PS4 441 - MAILED US AND CANADA, LIMITED TRUCK TEPS PSP FOR INSTALLING A NEW FUEL SHUTOFF SOLENOID ON CERTAIN 3116 ENGINES USED IN CHEVROLET KODIAK AND GMC TOPKICK TRUCKS - PS4 441 - MAILED US AND CANADA, LIMITED TRUCK TEPS
SERVICE LETTER EXTENSION FOR OCTOBER 5, 1988 SL - PS4260 PSP FOR WIRE ABRASION AND/OR WATER IN THE AIR RATIO LINES GROUP BOO ST LINE ON CERTAIN 3406B ENGINES EQUIPPED WITH PROGRAMMABLE ELECTRONIC ENGINE CONTROL (PEEC) - MAILED US AND CANADA, TRUCK TE SERVICE LETTER EXTENSION FOR OCTOBER 5, 1988 SL - PS4260 PSP FOR WIRE ABRASION AND/OR WATER IN THE AIR RATIO LINES GROUP BOO ST LINE ON CERTAIN 3406B ENGINES EQUIPPED WITH PROGRAMMABLE ELECTRONIC ENGINE CONTROL (PEEC) - MAILED US AND CANADA, TRUCK TE
SERVICE LETTER EXTENSION FOR APRIL 11, 1987 SL - PS0309 - PSP FOR CAMSHAFT FAILURES; 3406B TRUCK ENGINES - MAILED US AND CAN ADA, TRUCK TEPS SERVICE LETTER EXTENSION FOR APRIL 11, 1987 SL - PS0309 - PSP FOR CAMSHAFT FAILURES; 3406B TRUCK ENGINES - MAILED US AND CAN ADA, TRUCK TEPS
NOTIFICATION OF JACOBS REWORK PROGRAM FOR CERTAIN JACOBS MODEL C317 CONTROL MODULES USED ON 3176 ENGINES - MAILED US AND CAN ADA, LIMITED TRUCK TEPS NOTIFICATION OF JACOBS REWORK PROGRAM FOR CERTAIN JACOBS MODEL C317 CONTROL MODULES USED ON 3176 ENGINES - MAILED US AND CAN ADA, LIMITED TRUCK TEPS
PSP FOR INSTALLING DETONATION SENSITIVE TIMING CONTROLS ON CERTAIN 3512 AND 3516 SI ENGINES - PS4400 - MAILED US AND CAN ADA, CACO, COSA PSP FOR INSTALLING DETONATION SENSITIVE TIMING CONTROLS ON CERTAIN 3512 AND 3516 SI ENGINES - PS4400 - MAILED US AND CAN ADA, CACO, COSA
PARTS STOCK ACTION ONLY - 9W9789 SEGMENTS IN PARTS STOCK NEED TO BE INSPECTED FOR MISSING CHAMFER - PI7229 - MAILED US AND CAN ADA, CACO, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - 9W9789 SEGMENTS IN PARTS STOCK NEED TO BE INSPECTED FOR MISSING CHAMFER - PI7229 - MAILED US AND CAN ADA, CACO, COFA, BRAZIL, CFEL, COSA
PRIORITY - THE CRANKSHAFT NEEDS TO BE INSPECTED AND REPLACED IF NECESSARY IN CERTAIN 3516 MARINE, GENERATOR SET, INDUSTRIAL SPA RK IGNITED, AND LOCOMOTIVE ENGINES; AND 789 TRUCKS - PI3429 - MAILED US AND CANADA, CACO, COFA, LIMITED CFEL, LIMITED COSA PRIORITY - THE CRANKSHAFT NEEDS TO BE INSPECTED AND REPLACED IF NECESSARY IN CERTAIN 3516 MARINE, GENERATOR SET, INDUSTRIAL SPA RK IGNITED, AND LOCOMOTIVE ENGINES; AND 789 TRUCKS - PI3429 - MAILED US AND CANADA, CACO, COFA, LIMITED CFEL, LIMITED COSA
PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS USED ON 3408 AND 3412 ENGINES - PI7228 - MAILED US AND CANADA, CACO, COF A, BRAZIL, CFEL, COSA, MARINE TEPS PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS USED ON 3408 AND 3412 ENGINES - PI7228 - MAILED US AND CANADA, CACO, COF A, BRAZIL, CFEL, COSA, MARINE TEPS
PSP FOR CRANKSHAFTS IN CERTAIN D10 TRACTORS, D348 ENGINES, 776 TRACTORS, 777 TRUCKS, AND 992 LOADERS - PS0428 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA PSP FOR CRANKSHAFTS IN CERTAIN D10 TRACTORS, D348 ENGINES, 776 TRACTORS, 777 TRUCKS, AND 992 LOADERS - PS0428 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA
PRIORITY - NEW WASHERS NEED TO BE INSTALLED ON THE BOLTS THAT HOLD THE COUNTERWEIGHT TO THE CRANKSHAFT IN CERTAIN 777B, 789 TRU CKS; 3508, 3512, 3516 ENGINES - PI3444 - MAILED US AND CANADA, CFEL, COSA, MARINE TEPS, LIMITED CACO, LIMITED COFA PRIORITY - NEW WASHERS NEED TO BE INSTALLED ON THE BOLTS THAT HOLD THE COUNTERWEIGHT TO THE CRANKSHAFT IN CERTAIN 777B, 789 TRU CKS; 3508, 3512, 3516 ENGINES - PI3444 - MAILED US AND CANADA, CFEL, COSA, MARINE TEPS, LIMITED CACO, LIMITED COFA
The 8T0892 Collar Assemblies Used In Various Tool Groups For The 3600 Family Of Engines May Fail The 8T0892 Collar Assemblies Used In Various Tool Groups For The 3600 Family Of Engines May Fail
PSP FOR INSTALLING A NEW GOVERNOR DRIVE GEAR ON CERTAIN E110B, E120B, E200B,EL200B,213B,214B,224B,E240B,EL240B EXCAVATORS; CB-434 COMPACTORS; 446 BACKHOE LOADERS; CP-563, CS-563 COMPACTORS; AP-1050 PAVERS; 3114, 3116 ENGINES (COMMERCIAL) - PS4449 - PSP FOR INSTALLING A NEW GOVERNOR DRIVE GEAR ON CERTAIN E110B, E120B, E200B,EL200B,213B,214B,224B,E240B,EL240B EXCAVATORS; CB-434 COMPACTORS; 446 BACKHOE LOADERS; CP-563, CS-563 COMPACTORS; AP-1050 PAVERS; 3114, 3116 ENGINES (COMMERCIAL) - PS4449 -
SERVICE LETTER SUPPLEMENT FOR FEBRUARY 6, 1990 SL - PI3429 - PRIORITY - THE CRANKSHAFT NEEDS TO BE INSPECTED AND REPLACED IF NECESSARY IN CERTAIN 3516 MARINE, GENERATOR SET, INDUSTRIAL SPARK IGNITED, AND LOCOMOTIVE ENGINES; AND 789 TRUCKS - PI3429 - SERVICE LETTER SUPPLEMENT FOR FEBRUARY 6, 1990 SL - PI3429 - PRIORITY - THE CRANKSHAFT NEEDS TO BE INSPECTED AND REPLACED IF NECESSARY IN CERTAIN 3516 MARINE, GENERATOR SET, INDUSTRIAL SPARK IGNITED, AND LOCOMOTIVE ENGINES; AND 789 TRUCKS - PI3429 -
PSP FOR INSTALLING A NEW FAN AND/OR FAN BOLTS ON CERTAIN 3406B GENERATOR SET ENGINES (STANDBY - WITH 9Y0432 450 FRAME SR4 GEN ERATOR) - PS4461 - MAILED US, CANADA, CFEL PSP FOR INSTALLING A NEW FAN AND/OR FAN BOLTS ON CERTAIN 3406B GENERATOR SET ENGINES (STANDBY - WITH 9Y0432 450 FRAME SR4 GEN ERATOR) - PS4461 - MAILED US, CANADA, CFEL
PARTS STOCK ACTION ONLY - CERTAIN 2P5834 OIL FILTER ELEMENTS NEED TO BE REMOVED FROM PARTS STOCK - PI7236 - MAILED US, CAN ADA, CACO COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - CERTAIN 2P5834 OIL FILTER ELEMENTS NEED TO BE REMOVED FROM PARTS STOCK - PI7236 - MAILED US, CAN ADA, CACO COFA, BRAZIL, CFEL, COSA
SERVICE LETTER EXTENSION FOR MAY 17, 1989 SL - PSP FOR TIMING ADVANCE RACE WEAR AND RETAINING RING LOSS ON CERTAIN 3406B TRU CK ENGINES - PS4300 - MAILED US AND CANADA, CACO, COFA, CFEL, TRUCK TEPS, LIMITED COSA SERVICE LETTER EXTENSION FOR MAY 17, 1989 SL - PSP FOR TIMING ADVANCE RACE WEAR AND RETAINING RING LOSS ON CERTAIN 3406B TRU CK ENGINES - PS4300 - MAILED US AND CANADA, CACO, COFA, CFEL, TRUCK TEPS, LIMITED COSA
PRIORITY - PARTS STOCK ACTION NEEDED - NEW GOVERNOR SPEED FILTER NEEDS TO BE INSTALLED ON CERTAIN 3606, 3608, 3612, AND 361 6 GENERATOR SET ENGINES - PI3464 - MAILED US AND CANADA, CACO, COFA, CFEL, LIMITED CFEL PRIORITY - PARTS STOCK ACTION NEEDED - NEW GOVERNOR SPEED FILTER NEEDS TO BE INSTALLED ON CERTAIN 3606, 3608, 3612, AND 361 6 GENERATOR SET ENGINES - PI3464 - MAILED US AND CANADA, CACO, COFA, CFEL, LIMITED CFEL
PSP FOR REPLACING WORN INTAKE VALVE AND/OR VALVE SEATS ON CERTAIN 3508, 3512, AND 3516 MARINE AND GENERATOR SET ENGINES - PS 0446 - MAILED US AND CANADA, CACO, COFA, BRZIL, CFEL, COSA, MARINE TEPS PSP FOR REPLACING WORN INTAKE VALVE AND/OR VALVE SEATS ON CERTAIN 3508, 3512, AND 3516 MARINE AND GENERATOR SET ENGINES - PS 0446 - MAILED US AND CANADA, CACO, COFA, BRZIL, CFEL, COSA, MARINE TEPS
PSP FOR REWORKING THE GOVERNOR ACTUATOR SOLENOID MOUNTING BRACKET AND OIL SUPPLY TUBE ON CERTAIN 3606, 3608, 3612, AND 361 6 ENGINES - PS0449 - MAILED US AND CANADA, CACO, COFA, CFEL, LIMITED COSA PSP FOR REWORKING THE GOVERNOR ACTUATOR SOLENOID MOUNTING BRACKET AND OIL SUPPLY TUBE ON CERTAIN 3606, 3608, 3612, AND 361 6 ENGINES - PS0449 - MAILED US AND CANADA, CACO, COFA, CFEL, LIMITED COSA
PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; E110B, E120B, E200B, EL2 00B, 213B, 214B, 224B, E240B, EL240B EXCAVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET EN GINES - PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; E110B, E120B, E200B, EL2 00B, 213B, 214B, 224B, E240B, EL240B EXCAVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET EN GINES -
PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; 213B, 214B, AND 224B EXC AVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET ENGINES - PS0456 - MAILED COSA PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; 213B, 214B, AND 224B EXC AVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET ENGINES - PS0456 - MAILED COSA
PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; E110B, E120B, E200B, EL2 00B, 213B, 214B, 224B, E240B, EL240B EXCAVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET EN GINES - PSP FOR REPLACING ERODED CYLINDER HEAD INJECTOR SLEEVES IN CERTAIN IT14B INTEGRATED TOOLCARRIERS; E110B, E120B, E200B, EL2 00B, 213B, 214B, 224B, E240B, EL240B EXCAVATORS; 446 BACKHOE LOADERS; AND 3114 AND 3116 INDUSTRIAL AND GENERATOR SET EN GINES -
PSP FOR INSTALLING A NEW FAN/RADIATOR SHROUD ON CERTAIN 3114 AND 3116 INDUSTRIAL AND GENERATOR SET ENGINES - PS0451 - MAI LED US AND CANADA, CACO, COFA, CFEL, COSA PSP FOR INSTALLING A NEW FAN/RADIATOR SHROUD ON CERTAIN 3114 AND 3116 INDUSTRIAL AND GENERATOR SET ENGINES - PS0451 - MAI LED US AND CANADA, CACO, COFA, CFEL, COSA