CAP AS-RADIATOR 1239362 - Caterpillar

Generator Set Engines:
3116 (S/N: 2SG1-UP; 1NJ1-UP)
Industrial Engines:
3116 (S/N: 5EN1-UP)
3126 (S/N: CKK1-UP; 9ZR1-UP)
3126B (S/N: BEJ1-UP)
3126B Petroleum (S/N: Z2A1-UP)
Marine Engines:
3116 (S/N: 4KG1-UP)
3126 (S/N: 8NM1-UP; 1ZJ1-UP)
Engine News SEBD9359-01, July 2005, "Improved Engine Oil Coolers are Now Used". Disregard this article. See the article that follows.Description of Change: The engines that are listed above contain an oil cooler that has been improved. All of the improvements are effective with the date code 05-038. These improvements were made in order to improve the structure of the oil cooler. The new improvements were made in order to reduce fatigue and cracking of the oil cooler.Note: The source of the contamination is not the oil cooler if oil reappears in the coolant after replacing the oil cooler. The coolant was not adequately flushed. Flush the system again and check the system again for signs of oil contamination. Look for other sources of contamination that may be entering the engine lubrication system.Adaptable To:
Illustration 1 g01176164
Engine Oil Cooler Core (1) Location of the date codeInstall the improved 187-8595 Engine Oil Cooler Core (2) to the engine.
Illustration 2 g01184955
Oil filter baseInstall the oil filter base onto the replaced engine oil cooler core.Tighten the oil filter base to the following torque. Use the torque sequence that is shown in illustration 2 to ensure proper sealing. ... 15 N m (133.0 lb in)Tighten the oil filter base again to the following torque. Use the torque sequence that is shown in illustration 2 to ensure proper sealing. ... 28 N m (248.0 lb in).The date code is stamped or imprinted on the engine oil cooler core. The first two numbers on the date code represent the year of the improved part. The last three numbers on the date code represent the day out of the year for the improvement.If the cooling system has been found to be contaminated with oil, flush the cooling system and ensure that no oil remains in the cooling system. Use the following procedure to ensure that the cooling system is