This custom-made thin head wrench by Kent Bergsma can save the day and your pocketbook. It is very important that you hold the fitting base on the oil cooler when removing the oil cooler hoses. A regular 22mm wrench is almost always too thick and can also cause damage. Watch the video below and Kent will explain,
Product Details
Be sure to check out our other wrenches required for full oil cooler, oil cooler hose, and oil filter housing maintenance. See related products below:
This wrench can also be used to remove the main fuel filter on MOST W116 and W126 300SD and W123 240D, 300D, 300CD, and 300TD. As you can see in the image below it does not work on all models. Some of the later engines had 24mm head bolts.
Related Products:
616 617 Diesel Oil Cooler Line Removal Special 3 Wrench Set
Replacing your oil cooler lines/hoses is a very important maintenance item on your older Mercedes diesel. Getting them on and off though is a different matter!
1977 to 1985 Diesel Special 24 mm Oil Filter Housing Fitting Wrench
NOTE: May be black or chrome depending upon stock on hand. This standard 24 mm combination wrench is specially ground in our shop so that it will hold the fitting on the late 616 and 617 oil filter housing when loosening the oil cooler hose end nut.