Mercedes ML500 Oil Cooler and Filter Housing Seals, Pressure Port Gasket M112 M113 engines FULL DIY

This video is a full bolt-by-bolt DIY for replacing the oil cooler seals (o-rings, gaskets), the oil filter housing seal, and the pressure port (aka timing cover plug or expansion plug) gaskets. The repairs are shown on W163's - a 2005 ML500 and a 2003 ML350. Check the Pinned Comment for more information. Timestamps, Part numbers, Torque values, Links: 00:22 Diagnostics for these oil leaks 03:15 Loosen the oil filter assembly (use a 14 flute, 74mm cap wrench) 03:58 Drain the engine oil, remove the drain plug and gasket (13mm) 04:55 Info on the drain plug gasket (MB part A0007-603-014-106) 05:28 Install the drain plug and new gasket (torque is 30 Nm or 22 ft-lbs) 06:06 Remove the serpentine belt (17mm) 08:07 Locate the four T30 fasteners on the oil cooler and decide if you want to remove the air pump for better access 08:40 Remove the air pump 09:45 Remove four T30 fasteners for the oil cooler 11:22 Remove the oil filter assembly from the oil filter housing 11:49 Important notes about the required special 46mm socket and extensions for the oil filter housing removal 14:55 Loosen the big oil filter housing union bolt (46mm) 15:57 My setup - a huge 40" breaker bar (Tekton SBH00340 with Nieko extension 00236A) 16:16 Remove the oil filter housing from the timing case cover 17:00 Remove and replace the oil filter housing seals on the bench: oil cooler seals are MB parts 112-184-02-61 and 112-184-03-61 19:29 Remove and replace the oil filter housing seal on the timing case cover: MB part is 112-184-00-61 20:50 Install the oil filter housing to the timing case cover 22:49 Install the 46mm union bolt to the oil filter housing: torque is 70 Nm or 52 ft-lbs 23:40 Info on the Pressure port/Expansion plug gasket (overview and approaches) 25:16 Remove the Pressure port plug (optional, H6 or 6mm Allen) Port plug copper gasket MB part number is 007603-012110 install torque for the plug & copper gasket is 20 Nm (177 inch-lbs) 26:11 Remove the two E10 bolts to remove the Pressure port plate and rubber gasket 27:46 Detail of the pressure port plate and gasket on the bench "new" style plate part number is 112-015-06-30 "new" style gasket part number is 112-184-02-80 30:45 Clean the bolts and bolt holes before re-installing the plate 31:00 Install the plate with a new gasket; torque is very low, just 8 Nm (71 inch-lbs, 5.9 ft-lbs) 32:36 Install the new o-rings and oil filter to the filter assembly (Mann HU718/5x fleece filter) 37:19 Install the oil filter assembly to the oil filter housing (torque is 25 Nm or 18.5 ft-lbs) 37:52 Install the four T30 bolts for the oil cooler to the oil filter housing for M113 engine: torque is 9 Nm or 80 inch-lbs; for M112 engine: torque is 11 Nm or 97 inch-lbs 40:25 Install the air pump (torque for the E10 bolt is 12 Nm or 9 ft-lbs) 41:40 Install the belt (17mm) 45:06 Refill with engine oil (for ML500, refill is about 8.0 L or 8.5 quarts) 48:37 Check the engine oil level with the dipstick and via the dash display Water pump, thermostat, belt tensioner, idler pulley DIY video:    • Mercedes W163 ML500 ML350 Water Pump, Ther...   Fan and Fan Clutch DIY video:    • Mercedes ML350 Remove Fan & Fan Clutch DIY...  : I hope this video was helpful. Thank you for watching, and good luck with your repair! : )