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 Caterpillar

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

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Caterpillar: Confidential Yellow

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

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.


U-54
TT-3.1
1259   PS4441
NOTE: This Program can be administered either before or after a
failure. In either case the decision whether to apply the
Program is made by the dealer. When reporting the repair, use
"PS4441" as Part Number, "7755" as Group Number, and "96" as
Description Code.
NOTE: Although this Program is to be administered as described above on
the Affected Product already placed in service, former parts
should be removed from parts stock as soon as possible. All
eligible units in dealer inventory should be reworked before they
are placed in service.

Termination Date

March 31, 1991

Problem

The 9X5312 Fuel Shutoff Solenoid may fail on certain 3116 Truck Engines.
Ifthe solenoid does fail, the solenoid will not "click" or actuate when the
ignition switch is turned to the "On" position. As a result, the engine will
crank but will not start.

Affected Product

Engine  Vehicle
Model Identification Number Identification Number
3116 7SF1-2000 Chevrolet SOP* - LJ201159
(approximate) GMC SOP* - LJ601799
* Start of Production
NOTE: Due to factory rework, the Engine Identification Number range
provided is only approximate. Use the Vehicle Identification
Number to determine if solenoid replacement is necessary. Refer
to the following illustrations to identify the former and new
solenoids. Note the variation in cap and body diameters of the
two solenoids.
****** IMAGE: SEBE4255.00001.001
CAPTION:

Parts Needed

1 - 9X5302 Solenoid-Fuel Shutoff

Action Required

***** Parts Stock *****
Remove all 9X5312 Solenoids-Fuel Shutoff from parts stock.
***** Affected Product *****
Remove the existing 9X5312 Fuel Shutoff Solenoid and replace it with a 9X5302
Fuel Shutoff Solenoid. Make sure the new solenoid is inserted straight into
the rear of the governor. Side loading of the plunger could cause damage to
internal governor parts. Use a 4C4734 Spanner Wrench (1U6680 Tool Group) to
remove and install the fuel shutoff solenoids.

Service Claim Allowances

***** Parts Stock *****
Submit one claim at Dealer Net Price for all 9X5312 Solenoids-Fuel Shutoff
removed from parts stock.
***** Affected Product *****
Product Caterpillar Dealer Suggested Customer Suggested
miles/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
(C/L) (Sell)  (C/L) (Sell)
0-150000 100% 1 0 0 0 0
0-36 months
NOTE: This is a 1-hour job.

Parts Disposition

***** Parts Stock *****
Return all 9X5312 Solenoids-Fuel Shutoff that are removed from parts stock
and a copy of the claim to:
Caterpillar Inc.
Attn: Supplier Recovery Supervisor
Warehouse #4 Docks 7 thru 10
8201 N. University
Peoria, IL 61615
***** Affected Product *****
All parts removed (with the exception of cores used for Caterpillar
Remanufactured parts) should be rendered useless and scrapped immediately
upon completion of the repair.