[11F] ENGINE OVERHAUL <4G69> - - OIL PAN AND OIL PUMP - REMOVAL AND INSTALLATION | PRINT PAGE / INDEX / PRIOR / NEXT

OIL PAN AND OIL PUMP

REMOVAL AND INSTALLATION
|  |  | Removal steps
--- | --- | --- | ---
|  | 1. | Drain plug
| >>M<< | 2. | Drain plug gasket
| >>L<< | 3. | Oil filter
|  | 4. | Transmission stay
<<A>> | >>K<< | 5. | Oil pan lower
<<B>> | >>K<< | 5. | Oil pan upper
|  | 7. | Oil screen
|  | 8. | Oil screen gasket
|  | 9. | Relief plug
|  | 10. | Gasket
|  | 11. | Relief spring
|  | 12. | Relief plunger
|  | 13. | Oil filter bracket
|  | 14. | Oil filter bracket gasket
<<C>> | >>J<< | 15. | Plug
|  | 16. | O-ring
<<D>> | >>I<< | 17. | Flange bolt
| >>H<< | 18. | Front case
|  | 19. | Front case gasket
|  | 20. | Oil pump cover
| >>G<< | 21. | Oil pump driven gear
| >>G<< | 22. | Oil pump drive gear
| >>F<< | 23. | Crankshaft front oil seal
| >>E<< | 24. | Oil pump oil seal
| >>D<< | 25. | Counterbalance shaft oil seal
|  | 26. | Counterbalance shaft, left
|  | 27. | Counterbalance shaft, right
<<E>> | >>C<< | 28. | Counterbalance shaft, front bearing
<<F>> | >>B<< | 29. | Counterbalance shaft, rear bearing, right
<<F>> | >>A<< | 30. | Counterbalance shaft, rear bearing, left
| REMOVAL SERVICE POINTS
| <<A>> OIL PAN LOWER REMOVAL CAUTION Do not use a scraper or special tool MD998727 to remove the oil pan. Apply a wood block to the oil pan side and remove the oil pan lower by tapping lightly on it with a plastic hammer.
| <<B>> OIL PAN UPPER REMOVAL Remove all bolts.
| CAUTION Do not use a scraper or special tool MD998727 to remove the oil pan. Screw a bolt into hole A shown to remove the oil pan.
| <<C>> PLUG REMOVAL
| Fit the teeth of the special tools in notches of the plug as shown in the drawing and support the tool with the special tool to loosen the plug. Plug wrench (MD998162) Plug wrench retainer (MD998783)
| <<D>> FLANGE BOLT REMOVAL
| Remove the plug on the side of the cylinder block. Insert a Phillips screwdriver (shank diameter 8 mm) into the plug hole to lock the counterbalance shaft.
| Loosen the flange bolt.
| <<E>> COUNTERBALANCE SHAFT FRONT BEARING REMOVAL
| CAUTION Be sure to remove the front bearing first. If it has not been removed, special tool Silent shaft bearing puller (MD998372) cannot be used for rear balance shaft bearing removal. Using special tool Silent shaft bearing puller (MD998371), remove the counterbalance shaft front bearing from the cylinder block.
| <<F>> COUNTERBALANCE SHAFT REAR BEARING REMOVAL
| Use the special tool Silent shaft bearing puller (MD998372) to remove the counterbalancer shaft rear bearings from the cylinder block.
| When removing the rear bearing of the left counterbalancer shaft, install the special tool Silent shaft bearing installer stopper (MB991603) on the front of the cylinder block and use a special tool Silent shaft bearing puller (MD998372) to pull out the bearing.
| INSTALLATION SERVICE POINTS
| >>A<< LEFT COUNTERBALANCER SHAFT REAR BEARING INSTALLATION
| Install special tool Silent shaft bearing installer stopper (MB991603) to the cylinder block. Apply engine oil to the rear bearing outer surface and bearing hole in the cylinder block. Using special tool Silent shaft bearing installer (MD998705), install the rear bearing. NOTE: The left rear bearing has no oil holes.
| >>B<< RIGHT COUNTERBALANCER SHAFT REAR BEARING INSTALLATION
| Install the guide pin of the Silent shaft bearing installer (MD998705) in the threaded hole of the cylinder block as shown.
| Align the ratchet ball of the special tool with the oil hole in the rear bearing to install the bearing of the special tool. Apply engine oil to the bearing outer surface and bearing hole in the cylinder block.
| Using special tool Silent shaft bearing installer (MD998705), install the rear bearing. Make sure that the oil hole of the bearing is aligned with the oil hole of the cylinder block.
| >>C<< COUNTERBALANCE SHAFT FRONT BEARING INSTALLATION
| Remove the rear bearing installing portion from the special tool Silent shaft bearing installer (MD998705).
| Install the guide pin of the Silent shaft bearing installer (MD998705) in the threaded hole of the cylinder block as shown.
| Align the ratchet ball of the special tool with the oil hole in the rear bearing to install the bearing of the special tool. Apply engine oil to the front bearing outer surface and bearing hole in the cylinder.
| Using special tool Silent shaft bearing installer (MD998705), install the rear bearing. Make sure that the oil hole of the bearing is aligned with the oil hole of the cylinder block.
| >>D<< COUNTERBALANCE SHAFT OIL SEAL INSTALLATION
| Using a suitable socket wrench, install the counterbalance shaft oil seal into the front case.
| >>E<< OIL PUMP OIL SEAL INSTALLATION
| Using a suitable socket wrench, install the oil pump oil seal into the front case.
| >>F<< CRANKSHAFT FRONT OIL SEAL INSTALLATION
| Using special tool Crankshaft front oil seal installer (MD998375), install the crankshaft front oil seal into the front case.
| >>G<< OIL PUMP DRIVEN GEAR/OIL PUMP DRIVE GEAR INSTALLATION
| Install the oil pump gears into the front case and align the alignment marks.
| >>H<< OIL PUMP CASE INSTALLATION
| Set special tool crankshaft front oil seal guide (MD998258) on the front end of crankshaft and apply a thin coat of engine oil to the outer surface of special tool . Apply engine oil to the lip of the crankshaft front oil seal.
| Install the front case carefully not to damage the oil seal.
| CAUTION Carefully install the tightening bolts because of the different length respectively. Tighten all flange bolts to the specified torque. Tightening torque: 23 ± 3 N·m
| >>I<< FLANGE BOLT INSTALLATION
| Insert a Phillips head screwdriver (shank diameter 8 mm) into the hole in the left side of the cylinder block to lock the counterbalance shaft.
| Secure the oil pump driven gear onto the left counterbalance shaft by tightening the flange bolt to the specified torque. Tightening torque: 36 ± 3 N·m Pull out the screwdriver and screw in the plug.
| >>J<< PLUG INSTALLATION
| Install a new O-ring to the groove of the front case. Install the plug to the front case. Use the special tools to tighten the plug to the specified torque. Plug wrench (MD998162) Plug wrench retainer (MD998783) Tightening torque: 23 ± 3 N·m
| >>K<< OIL PAN UPPER/OIL PAN LOWER INSTALLATION CAUTION Do not apply FIPG over remaining old FIPG. Doing so could result in oil leakage. Clean the gasket surfaces of the cylinder block and oil pan.
| CAUTION Too much FIPG will squeeze out, blocking coolant or oil passages, while too thin a bead could result in leakage. Apply a 4 mm diameter bead of FIPG to the flange surface all around the oil pan. Specified sealant: Mitsubishi Genuine Part No.MD970389 or equivalent NOTE: In the grooved areas on the oil pan flange, apply FIPG bead along the center of the groove.
| Install the shorter bolts in the locations indicated in the drawing. CAUTION Do not apply FIPG over remaining old FIPG. Doing so could result in oil leakage. Thoroughly remove old FIPG from the gasket surfaces of the oil pan upper and lower sections.
| CAUTION Too much FIPG will squeeze out, blocking coolant or oil passages, while too thin a bead could result in leakage. Apply a 4 mm diameter bead of FIPG to the flange surface all around the oil pan. Specified sealant: Mitsubishi Genuine Part No.MD970389 or equivalent NOTE: In the grooved areas on the oil pan flange, apply FIPG bead along the center of the groove.
| Install the oil pan lower section by tightening the bolts in the indicated sequence.
| >>L<< DRAIN PLUG GASKET INSTALLATION
| CAUTION If the gasket is installed in the wrong direction, oil leaks will occur. Install the drain plug gasket in the direction shown.
| >>M<< OIL FILTER INSTALLATION Clean the installation surface of the filter bracket.
| Apply engine oil to the o-ring of the oil filter.
| Using general service tool, Install the oil filter to the bracket and tighten it to the specified torque. Tightening torque Part number MD356000 filter: 14 ± 2 N·m Other Mitsubishi Genuine filter: 17 ± 3 N·m If a torque wrench cannot be used use the following procedure: Screw in the oil filter until its o-ring contacts the oil filter bracket. Tighten the oil filter as follows: Part number MD356000 filter: one turn Other Mitsubishi Genuine filter: 3/4 turn

[11F] ENGINE OVERHAUL <4G69> - - OIL PAN AND OIL PUMP - REMOVAL AND INSTALLATION | PRINT PAGE / INDEX / PRIOR / NEXT

©2004 Mitsubishi Motors Corporation