HARNESS 4324548 - Caterpillar

03Jan2007
U-4
A-4
D-4
O-4
TT-1
TM-1
TA-1
Parts stock action only
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN 0R4274, 0R4275, 0R4278, 0R9355, 0R4277, 0R4279, AND 0R9360 LONG BLOCKS FROM DEALER PART STOCK
1201 7750 PI70221
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.
TERMINATION DATE
31Jan2008
PROBLEM
The head bolts on the long blocks may not be torqued correctly which could cause a head gasket failure.
PARTS NEEDED
No parts needed for this program
ACTION REQUIRED
3408 and 3412 Remanufactured long blocks with the following sequence numbers should be returned:
Image1
PARTS DISPOSITION
Please return the affected long blocks to the following address:
Caterpillar Inc.
501 Cardinal Drive
Corinth, MS 38834
ATTN: David Torok