To prevent potential fluid weeping on the end of this pipe fitting that attaches to the right side of the transmission, you might want to replace these o-rings if you end up removing the pipe during your 722.9 transmission service.
I have received so many emails on this topic that I had to sit down and write a very detailed manual over 130 pages in length! Let's face it! Diesel automatic transmissions can be troublesome, particularly those models that use vacuum to control shifts.
If you own an older Mercedes with the 7-speed 722.9 transmission and the car has over 120,000 miles, the day may come when the transmission will suddenly not shift or not shift past 2nd gear. This is more likely to happen if the transmission has no fluid and filter changes every 40,000.
WILL NOT FIT OTHER MODELS! Correct transmission filter and pan gasket that fits. This one is hard to find and you can easily get the wrong one ( it is very close to the early 123 diesel service kit.
It comes with a special fitting attachment that includes two (2) shut-off valves ( to control spills) and a clear filter to make absolutely sure you are putting clean fluid into the pan. It includes over 5 feet of hose ( 30 inches which are clear so you can see the
These same clips are used on almost all Mercedes Benz Models from the late 1960s up into the 1990s. If you have lost or damaged one of your clips here is a chance to get replacements. Maybe good idea to have spares on hand. Sold in set of 2.
Yes, YOU can fully drain all your transmission without using any type of "power flush." Full detailed video instructions are included. This kit is easy to connect and the process is quick and clean. Watch Kent's YouTube video below for full details.
I don't think there is any owner out there who has owned a 1978 to 1993 diesel automatic for any length of time and who has not had some sort of shift problem with the transmission. Maybe it was just a little jerk or a slipping shift. Maybe the rear end clunked hard when you came to a stop.
This is Kent's full class on overhauling these old transmissions. They all need help now, not because they are mechanically worn out, but rather because all the old rubber lip seals and O-rings are hard and worn out. They all need resealing! Valve body overhaul is NOT covered in this series.
Yes, with age they can leak from the inside out ever so slowly. Replace before they fail! This is a great upgrade that fits most models from early 70s up to mid to late 90s. The wire protector on these hoses will prevent chaffing especially from loose V belts.
Many enthusiasts are now buying these 2004 to mid-2010 high-performance Mercedes with little thought to the transmission.
In this 24-minute instructional video, Kent shows you more than just how to change the transmission filter and the pan.
Can be used in 110, 111, 108, 113, 114, 115, 123, and 201 chassis manual transmissions. Synthetic Gear Oil can offer smoother shifting especially on cold mornings before the transmission fluid has warmed up. It can also offer reduced wear on the gears and syncros over time.
FITS THE FOLLOWING: 114 and 115 chassis 1969-1976. Includes illustrated PDF Instructions on replacement. Includes both a new filter and pan gasket to do complete service on your transmission.
Fits 123 chassis Non Turbo 1977-1981 300D, 300CD, 1979-1980 300TD wagon and 1977-1983 240D ONLY. Includes illustrated PDF instructions on replacement. Includes both a new filter and pan gasket to do complete service on your transmission.
Fits 115 and 123 220D and 240D with 4 speed manual transmission. If your shifter feels loose or spongy or even clanks when you shift it is time for new bushings. There are six total.
Kent is a firm believer in using these strong magnets inside a transmission pan to help extend its useful life.
They should be placed toward the rear of the pan as shown in the picture below.
INCLUDES TRANSMISSION PEAK TUNING MANUAL. DO NOT ORDER SEPARATELY. Bonus videos are included free. To properly tune your diesel transmission, you will first need the know-how and then the equipment to adjust your transmission modulator and your VCV transmission shift valve.
If you have a leaking transmission seal it can be a real bear to get the old seals out without this puller tool. It works on both the front and rear transmission shaft seals. This tool also works great for removing the front crank seal on both gas and diesel engines.
If your transmission is shifting too soon it can really rob your car of power and acceleration. If it is shifting too late it can be very loud and annoying and even affect fuel economy.
Brand new Auto transmission torque converter drain plug for All Mercedes, gasoline and diesel, from the late 60s up to the late 90s. If you are doing a complete transmission flush you will need to drain the torque converter. Good to have spare on hand!
Set of (2). The number one cause of a loose or rattling shift lever is failed or missing shift lever bushings. Our upgraded bushings are made out of nylon and are much tougher than the original plastic type. No instructions or special tools included.
Includes illustrated PDF instructions on replacement. Includes both a new filter and pan gasket to do complete service on your transmission. This fits the 722.3xx transmissions
To fix one of the MOST COMMON severe leaks on these older transmissions. This kit will include the parts and detailed PDF instructions you will need to repair a front transmission case leak in transmissions installed in the models listed below.
Removing the valve body is not difficult, but it is fraught with risk. It is easy to damage the conductor plate if not removed properly, and that can be a very expensive mistake.
These transmissions are now 40+ years old, and with age comes hardened o-rings and seals, leading to what I call "pesky" leaks.
Getting to and removing the two hex head bolts that hold the starter to the bellhousing can be a real test of your sanity - especially if you don't have the right tool! You will need a heavy duty hex socket on a strong wobble extension.
FITS THE FOLLOWING models listed below: Includes illustrated PDf instructions on replacement. Includes both a new filter and pan gasket to do complete service on your transmission. Consider replacing your old pan to prevent leaks.
Not all units are repairable. These are no longer available new. This is one of the best we have seen in recent years.
If you have ever tried to remove and reinstall a shift rod attachment clip under your Benz you know how frustrating it can be.
Also works on 380SL and 560SL transmissions. Before you think you can easily remove the Bowden cable from the transmission, watch the video below.
This is PART 1 of Kent’s three part video series on troubleshooting and repairing a very common shifting problem in the 1996 to 2006 Mercedes 722.6 five (5) speed automatic transmission. The entire video series is included free of charge when
These are the parts and instructions you will need to fix a very common shifting problem in the 1996 to 2006 Mercedes 722.6 five (5) speed automatic transmission.
The bowden cable runs from the transmission to the throttle linkage on many Mercedes from the early 1980's up through the early mid 1990's. When this cable fails or is out of adjustment the transmission will either shift too early or too late.
If you are planning to remove your 722.9 conductor plate for inspection or repair, you will want to take the time to thoroughly clean the plate, the valve body, and the solenoids. No cleaning agents or foreign chemicals should be used.
You will need a 12-point DEEP socket. That is the only thing that will work. Most impact sockets are six-sided. The best way to remove this nut is with a big impact wrench with the transmission locked in park. So you will need a quality heavy-duty socket. This one is made in the U.S.A.
This guide will explain how to properly change the fluid and filter in your late 123, 126, 201, 124, late 107 chassis Mercedes as well as early 129 and 140 chassis. This includes model years from 1982 to 1993.
Custom ordered for a better fit than original! special Oring seal for the bowden cable housing where it connects to the right side of the automatic transmission. This is a common leak area and you may be fooled into thinking it is leaking out of the pan gasket.
This is PART 3 of Kent’s three part video series on troubleshooting and repairing a very common shifting problem in the 1996 to 2006 Mercedes 722.6 five (5) speed automatic transmission.
2FREE limp-home troubleshooting video included! Be forewarned! It is not as easy as it looks on some YouTube videos to remove a valve body and conductor plate from an early 722.9 transmission.
This will work for almost all 4-speed automatics from 1981 to 1995. This transmission overhaul tool set is custom-modified here in our shop at MercedesSource. We make it to order, and it may take a few days to ship. It contains five tools.
The plastic shift bushing is a very common part that needs to be replaced on older Mercedes. Can you believe it is the exact same part that was used on all models for over 25 years! It is an inexpensive part that can cause big problems if it breaks out.
PLEASE NOTE: This is a "made to order" kit that we assemble after purchase. Please allow 3 to 4 days before it will ship. Save $20 when you purchase these two kits together. Each can also be purchased separately. For a full description of each kit, click on the related products below.
For ALL 2003 to 2010 7-Speed automatic transmissions( early 722.9 WITHOUT option code A89 indicating reduced friction). These are the 7G transmissions that use the red fluid with the shallower transmission pan. This is a complete kit for your transmission 40K service, not including the fluid.
This unique kit will allow you to hook up a 30 in HG vacuum gauge between your vacuum control shifting valve (VCV) and your transmission modulator to test the VCV for proper function and to tune it for peak shifting performance.
This is Kent's master kit for solving a number of transmission-related shifting problems. Please note it will not solve them all, particularly if your transmission is worn out.
Fits the Following: All 201 190D, all 201 190E 2.3 and 2.6 and gas engined 124 260E and 2.6 1986 to 1993. Check carefully before ordering. Not returnable.
Good used flywheel stretch bolt as shown. Very limited stock. Torque converter flex plate bolts.
These transmission pans get "out of shape" due to over-torquing the bolts. That crushes the stops (see below), and when that happens, it is very hard to get the pan seal not to leak. Your best option if you are doing a transmission service is to replace the pan.
Why have a separate tester just to measure the full pressure running inside the transmission? For this test, the pressure can reach up to 240 psi and can go higher if there is a restriction. This requires a special gauge and hose that can handle the pressure.