HOUSING 4570188 - Caterpillar

Machine Engines:
AllA high percentage of the 0R-9056 Oil Cooler Core Assemblies that are returned for leaks will pass the leak test in Special Instruction, REHS1758. On the effective date of 1May 2007, 100% of the 0R-9056 Oil Cooler Core Assemblies that are returned will be tested for leaks. All 0R-9056 Oil Cooler Core Assemblies that pass the leak test will be returned to the dealer and the claim will be denied. A copy of the test results will be included with the oil cooler.Special Instruction, REHS1758, "Test Procedure for Brazed and Rubber End Sheet Oil Cooler " provides service technicians with a list of tooling and the steps that are required to properly test for leaks in oil coolers that have brazed end sheets or rubber end sheets. This Special Instruction can be obtained through normal literature ordering channels. The publication is also available on the Caterpillar Service Information System (SIS).