PSP FOR REPLACING THE CAMSHAFT ON CERTAIN 3306 TRUCK ENGINES - EFFECTIVE OCTOBER 09, 1990 - PS6039 - REPLACES PORTION OF AUG UST 30, 1990 SL - PS0455 - INVOLVING 3306 TRUCK ENGINES - MAILED US AND CANADA, COFA, CFEL, TRUCK TEPS, LIMITED COSA - REVISE Caterpillar

December 1, 1990
(Effective October 9, 1990)
(Revised February 1992)
U-238
AU-149
E-144
O-183.1
TT-17
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CAMSHAFT ON CERTAIN 3306 TRUCK
ENGINES
1124   PS6039
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 "PS6039" as
Part Number, "7755" as Group Number, and "96" as
Description Code.
NOTE: This Revised Service Letter replaces the December 1, 1990 Service
Letter which replaced the portion of the August 30, 1990 Service
Letter - PS0455 involving 3306 Truck Engines. Changes have been
made to the Termination Date, Affected Product, Parts Needed,
Service Claim Allowances, and Parts Disposition.

December 31, 1992

The camshaft on certain 3306 Truck Engines may pit and/or spall. Pitting or
spalling can cause the camshaft to wear faster than normal.

Model Identification Number
3306 5KD1-2271
76R1-6670
63Z1-19144

1 - 0R3023 Camshaft Kit
or
4P2942 Camshaft Kit
1 - 6V5978 Gasket Kit-Front Structure
1 - Gasket Kit-Cylinder Head (Varies-See Microfiche)
NOTE: Make sure the gasket kit was updated to include the new 7E6167
Cylinder Head Gasket.
OPTIONAL 

1 - 7E7261 Camshaft
12 - 7E9758 Spring
12 - 2W7043 Lifter Assembly
NOTE: If the customer chooses, a roller camshaft (Optional Parts) can
be installed. If a roller camshaft is installed the customer
must pay the first $200.00 U.S. towards the cost of the parts.
NOTE: Make sure the gasket kit was updated to include the new 7E6167
Cylinder Head Gasket.

Replace the existing camshaft and related components with the new parts.
When installing the cylinder head, make sure that the bolts are coated with
6V4876 Molykote. Reference the November 19, 1990 Service Magazine Articles
"New Roller Camshaft Used" and "New Camshaft Has Improved Wear Resistance."

Product Caterpillar Dealer Suggested Customer Suggested
miles/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
whichever
comes
first
0-300,000 100%* ** 0 0 0 0
0-60 mo
300,001- * ** 0 0 * **
500,000 **  **
0-60 mo
NOTE: This is a 30-hour job.
* If a roller camshaft is installed, the customer must pay the first $200.00
U.S. towards the cost of the parts. Caterpillar will participate in the cost
of the parts over this amount.
** See the chart on page 3.
Mileage Caterpillar
Participation
300,000 - 310,000 100%
310,000 - 320,000 95%
320,000 - 330,000 90%
330,000 - 340,000 85%
340,000 - 350,000 80%
350,000 - 360,000 75%
360,000 - 370,000 70%
370,000 - 380,000 65%
380,000 - 390,000 60%
390,000 - 400,000 55%
400,000 - 410,000 50%
410,000 - 420,000 45%
420,000 - 430,000 40%
430,000 - 440,000 35%
440,000 - 450,000 30%
450,000 - 460,000 25%
460,000 - 470,000 20%
470,000 - 480,000 15%
480,000 - 490,000 10%
490,000 - 500,000 05%
Labor Hours By Cab Type*
SMCS Code (SC) (CV) (CO) Description
1000-074 0.6 0.6 0.6 Steam Clean
1000-035 1.0 1.0 1.0 Troubleshoot To Verify Complaint
1210-010 25.4 25.9 26.2 R&I Camshaft
1212-010 0.8 0.8 0.8 R&I Camshaft Gear
1216-082-LJ-S 1.2 1.2 1.2 Check Liner Projection
1000-030 1.0 1.0 1.0 Test After Repair
If required, Add the following:
1119-010-ES-S 1.0 1.0 1.0 R&I Jake Brake
If this Program is implemented at the same time as the December 2, 1990
Service Letter - PS6043, use only the following code:
1210-010-ES 11.7 12.2 12.5 R&I Camshaft (with head
removed)
*Cab Types
SC = Ford LN, L, LS, LA, Short Conventional
CV = Long Hood Conventional
CO = Cab Over

Handle the parts in accordance with your Warranty Bulletin on warranty parts
handling.