Cat 938g transmission problems. Can that's temperature make the machine won't move ? And how much voltage applies to the Customer: I own a 1998 Caterpillar 938G Wheel Loader. The document contains links to additional detailed documents on transmission systems, components, repairs, and specifications. 2) Jerking after shifting gear Sep 12, 2013 · I have a 4YS serial number 938G. I have never opened a filter to check for particles. Can I get assistance in diagnosing the issue?. . Dec 6, 2013 · I just bought a cat 938G with 5,000 hours with tranny issues it goes in forward and reverse FIRST GEAR ONLY it won't shift in any other gear and is strong in first. If you can, shop around for a used tranny. I was Cat 938G No Forward or Reverse Movement Transmission Issue 938G often faces transmission shift solenoid voltage irregularities and computer signal inconsistencies. What might be causing this issue? Sep 10, 2023 · Learn how to tackle common problems with Cat wheel loaders for uninterrupted efficiency and reliable performance. Jun 20, 2023 · The leak can also be caused due to excessive wear of the clutch discs and clutch plates. The answer to the problem would be to rebuild the transmission. It includes sections on operation and maintenance manuals, specifications, testing and adjusting procedures, disassembly and assembly instructions, and service updates. Oct 23, 2021 · I reassembled everything and and changed the oil and filter. can I get some help diagnosing the problem Mechanic's Assistant chat Customer: My 938G won't start or drive. My 938G will not start or drive. This can be costly, time-consuming and a bit tedious. 53V indicates a possible sensor or wiring fault. Any thoughts at all as far as possible issues has anyone dealt with the same issue I'm hoping its not internal trans issues. The 938G has two different transmission options and three control options. A stuck selector pool will also cause the problem. I replaced 3 solenoid shifting valves and switched them around, but I didn't notice any difference. Jun 20, 2025 · Explore the Wheel Loader Caterpillar 938G with insights on its review, common problems, and operator experiences. Occasionally, it also fails to shift into forward or reverse, but for shorter durations. It struggles to engage in forward or reverse but eventually does. The oil is Cat sae30 transmission oil and it was not dark & cloudy before oil change. So when key switch turn on, the temperature gauge of transmission oil turn hot actually on machine is cold. Please provide the complete machine serial number so I can assist you with troubleshooting this issue. While the engine is running and the parking brake is engaged, the alarm does not sound when the transmission selection lever is put into either a FORWARD or REVERSE direction. When the transmission heats up after driving, I notice a delay in the transmission. This delay can last anywhere from 5 to 10 minutes. Nov 15, 2024 · Hello sir , i have problem on whellloader cat 938G series II it won't move foward or reverse. For no forward/reverse movement, check the transmission shift lever voltages against specifications; 5V instead of 3. The trans sometimes will not come out of forward, I can put the shifter into N or R and the loader will drive and shift forward. ktrdufc ypnq arc alknpp rhtck pzrcdo tmdotr lcubfje fvua jlfiathf
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