ENGINE OIL FILTER SELECTION
This vehicle is equipped with a full-flow, throw-away oil filter. The same type of filter is recommended as a replacement filter for this vehicle. It is possible, particularly in cold weather, that this vehicle may develop high oil pressure for a short duration. Make sure that any replacement filter used on this vehicle is a high-quality filter. The filter must withstand a pressure of 1,765 kPa (256 psi) [manufacturer's specifications] to avoid filter and ultimately engine damage. The following is a high-quality filter and is strongly recommended for use on this vehicle: Mitsubishi Engine Oil Filter Part number MD356000, MD136466 and MD322508.
Any replacement oil filter should be installed in accordance with the oil filter manufacturer's installation instructions.
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- Start the engine and allow it to warm up until the temperature of the coolant reaches 80 - 90°C (176 - 194°F). WARNING: Use care as oil could be hot.
- Remove the engine oil filler cap.
- Remove the drain plug to drain oil.
- Use an oil filter wrench to remove the engine oil filter.
- Clean the filter bracket side mounting surface and ensure the old O-ring has been removed.
- Apply a small amount of engine oil to the O-ring of the new oil filter.
- Screw on the oil filter by hand until it touches the surface of the flange and then tighten it with an oil filter wrench. TIGHTENING TORQUE SPECIFICATION NUMBER SPECIAL TOOL TIGHTENING TORQUE MD356000 MB991610 or equivalent Approximately 3/4 turn [14 +/- 2 N.m (124 +/- 18 in-lb)] MD136466 General service tool Approximately 3/4 turn [17 +/- 3 N.m (13 +/- 2 ft-lb)]
- Install the drain plug and refill engine oil. (Refer to «ENGINE OIL REPLACEMENT»(/mitsubishi/lancer-evolution/viii-2003-2005/remont/lubrication-system/#lubrication-24l-sportback) ).
- Check the engine a few times, and check to be sure that no engine oil leaks from the installation section of the oil filter.
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- Drive the vehicle until the transmission fluid temperature rises to the normal operating temperature [70 - 80°C (158 - 176°F)]. NOTE: The transmission fluid temperature is measured with scan tool MB991958 (MUT-III sub assembly). NOTE: If it takes some amount of time until the transmission fluid reaches its normal operating temperature [70 - 80°C (158 - 176°F)], check the transmission fluid level by referring to the left diagram.
- Park the vehicle on a level surface.
- Move the selector lever through all positions to fill the torque converter and the hydraulic circuits with fluid, and then move the selector lever to the "N" position.
- After wiping off any dirt around the dipstick, remove the dipstick and check the condition of the transmission fluid. NOTE: If the transmission fluid smells as if it is burnt, it means that the transmission fluid has been contaminated by fine particles from the bushings and friction materials. Transaxle overhaul and cooler line flushing may be necessary.
- Check transmission fluid level is at the "HOT" mark on the dipstick. If the transmission fluid level is less than this, add DIAMOND ATF SP III until the level reaches the "HOT" mark. NOTE: If the transmission fluid level is too low, the oil pump will draw in air along with the transmission fluid, which will cause to form bubbles. If the transmission fluid level is too high, rotating components inside the transaxle will churn the fluid and air into a foamy liquid. Both conditions (level too low or too high) will cause the hydraulic pressure to drop, which will result in late shifting and slipping of the clutches and brakes. NOTE: In either case, air bubbles can interfere with normal valve, clutch, and brake operation. Also, foaming can cause transmission fluid to escape from the transaxle vent where it may be mistaken for a leak.
- Securely insert the dipstick. NOTE: The transmission fluid should always be replaced under the following conditions
- When troubleshooting the transaxle.
- When overhauling the transaxle.
- When the transmission fluid is noticeably dirty or burnt (driving under severe conditions).