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Info - Engine Oil Cooler Hose Replacement

Subject:Engine Oil Cooler Hose Replacement

Models:1999 Cadillac Escalade
1999 Chevrolet and GMC C/K Pickup and Utility Models
1999 Chevrolet and GMC G Van Models
with 5.0L, 5.7L, or 6.0L V8 Engine (VINs M, R, U -- RPOs L30, L31, LQ4)
Built between February 26, 1999 and March 8, 1999



This bulletin is being revised to correct the engine oil cooler hose build date. Please discard Corporate Bulletin Number 99-06-01-017 (Section 06 -- Engine/Propulsion System).


This bulletin is being issued to inform dealers that when replacing the engine oil cooler hose on the above listed vehicles, do not use a replacement hose with a 12/23/98 build date. The build date can be found on the rubber hose portion of the line. There will be a series of white letters and numbers followed by the build date. The affected part numbers are listed below.

Parts Information

Part Number

Description

Application

15996516

Hose, Eng. Oil Cooler, Inlet

K1,2 (L30)

15996517

Hose, Eng. Oil Cooler, Outlet

K1,2 (L30)

15725587

Hose, Eng. Oil Cooler

CK2 (LQ4)

15736419

Hose, Eng. Oil Cooler, Inlet

G2,3 (L31)

15736420

Hose, Eng. Oil Cooler, Outlet

G2,3 (L31)

15985759

Hose, Eng. Oil Cooler, Inlet

C1,2 (L30)

15985760

Hose, Eng. Oil Cooler, Outlet

C1,2 (L30)