SOLENOID 1631547 - Caterpillar

Caterpillar: Confidential Yellow
SERVICE LETTER SUPPLEMENT FOR OCTOBER 5, 1988 - 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 TEPS
  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 June 1989) U-93 TT-2 Some information needs to be changed in the Service Letter which follows: October 5, 1988 - PS4260; Product Support Program For Wire Abrasion And/Or Water In The Air Ratio Lines Group Boost Line On Certain 3406B Engines Equipped With Programmable Electronic Engine Control (PEEC) This Revised Service Letter Supplement replaces the May 1, 1989 Service Letter Supplement. Changes have been made to the Service Claim Allowances. Under the heading Affected Product, add the following product identification numbers for 3406B Engines. Model Identification Number DO
Rework Procedure
NO. 3406B 8TC5167-8120 Procedure 3, Step number 2 only For these engines, Step number 1 of Procedure 3 has already been completed by the supplier. Also, some engines may have already have complete sleeving; thus, no rework is necessary. Under the heading Parts Needed, add the following: 1 - 4W2489 Gasket 1 - 7W7290 Gasket Under the heading Service Claim Allowances, add the following: Product Caterpillar Dealer Suggested Customer Suggested miles Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. (C/L) (Sell) (C/L) (Sell) Procedure 3, Step 2 Only 0-300,000 100% 2 0 0 0 0 mi