Transmission service on these older Mercedes is very often neglected and it is something you can do yourself. It should be done every 30,000 miles or every 5 years (whichever comes first). After you watch this video you will find out why you should do it yourself! In this video instruction Kent uses his own W113 280SL to walk you through the following steps:
- Draining fluid out of the transmission pan
- Draining fluid out of the torque converter
- Removing the pan
- Minimizing fluid spills
- Removing the old filter
- Installing the new filter
- Inspecting the fluid in the bottom of the pan
- Methods to flatten a warped or bent (at the bolt holes) transmission pan
- Preparation for the gasket
- Use of the proper gasket sealant
- Why you should NEVER use RTV sealant
- Applying sealant to the pan
- Importance of cleanliness
- Setting the pan in place
- Easy way to get the bolts started
- Avoiding use of power tools
- Careful snugging down of the bolts
- Proper tightening sequence
- How to get the torque right when tightening against a cork gasket
- Trans oil cooler line inspection
- Installing torque converter drain plug - to stay put!
- Inspecting flexible oil cooler hoses
- Draining the radiator transmission cooler chamber
- Tips for filling the transmission with new fluid.
PLEASE NOTE: The instructions in this video specifically cover most automatics built during the 1960’s that had pans mounted with a cork gasket and 16 bolts. This would include the W110, W111, W112, W113, and early W108 models. Later model automatics used only four and then six bolts to attach the pan. These later transmissions used rubber gaskets that required no sealant. The filters were similar but attached with two screws rather than one in the center. The pan design was changed to help prevent over tightening but it still happens. The principles of draining and replacing the fluid and the filter and the concern over the attach points of the pan are the same for all automatics from the 1960’s through the early 1990s’s.
Total Run Time: 32:24
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