SHIM-PACK 4992616 - Caterpillar

Introduction
The problem that is identified does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below. Problem
The ground driven supplemental steering hydraulic pump housing cracks. The problem is typically reported as an oil leak.Solution
The root cause has not been identified but, pump overspeed during downhill coasting with the transmission out of gear can result in excess pressure that is related to cracking. Use existing parts to repair. Download the fault and event codes. Email ALL codes to hydraulic component service engineering. If no codes are found email to hydraulic component service engineering, noting that no codes were found. Electronic information display such as "EO49-2 Coasting in Neutral Warning", might assist in troubleshooting failures.