722.9 transmission repair manual pdf1/1/2023 ![]() ![]() ![]() ![]() This is usually caused by a clutch that needs to be replaced, but may sometimes point to a more severe problem. Manual transmissions can have the same lacking response issue, but after shifting into gear the engine’s RPMs will surge, but the car won’t move as fast as the engine sounds like it’s going. This is usually a transmission-based concern. For automatic transmissions, you might notice that when shifting into drive or park that there is a delay before you feel the gear engage. The moment a driver shifts from park to drive the car should immediately go into the proper gear. Lack of Response or Shifting DelayĮver notice that while driving that the car hesitates or refuses to go into gear? If you have, then there is definitely something wrong. Here is a list of 10 symptoms of transmission trouble and what signs you should look for. That said, if you’re having some car trouble, it is important to know what the most common types of transmission problems are so that you can easily diagnose them and get them fixed. Problems that involve mechanical systems typically exhibit distinct sensations and sounds that act as indicators that a certain process isn’t working the way it is intended to.Īs soon as you recognize that something seems a bit “off” with your vehicle’s functionality, it’s time to start considering the problem and finding a way to fix it. For instance, if your stomach begins to hurt without warning, you’ll probably start thinking of the last thing you ate in order to figure out why you are in pain.Ī similar type of thinking goes into diagnosing car trouble. To diagnose car problems yourself, try to think of it in terms of your own body. It may be helpful to think of your car’s inner workings as similar to that of the human body. Word has it that the redesigned pump has resolved this recurring problem.Determining what problem(s) your car has may seem like an impossible task, especially to the untrained eyes and ears of the average driver. The part number for this new-style pump is 7. The material in the pump bushing was not compatible with that of the converter neck. However, a new-style pump available from Mercedes has a needle bearing in the pump in place of the original pump’s bushing ( Figure 5).Īccording to Jaggi from Jaggi Imports the problem was a bad combination of materials. There has been much speculation as to the root cause of this problem. ![]() This makes for a nice job in the shop if there is no chance of seeing it come back the same way it arrived. This can allow the pump drive gear to move off center, catching the corner of the crescent and piling up ( Figure 2) and taking out the converter housing with it ( figures 3 and 4). Author: Wayne Colonna, ATSG, Transmission Digest Technical EditorĪ common and well-known failure with the 722.9 transmission is the way the pump bushing seizes to the converter neck ( Figure 1).Essential Reading: Rebuilder, Diagnostician.Subject: Pump bushing seizes to converter neck. ![]()
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |