Front crankshaft oil seal
Removal
1. Remove the timing belt.
2. Remove the crankshaft V-belt pulley.
Fig. 3.34. Crankshaft oil seals: 1 – torque converter drive plate (ATP); 2 – adapter plate (AKP); 3 – bolt, 93–103 Nm; 4 – bolt, 93–103 Nm; 5 – flywheel assembly (automatic transmission); 6 – rear crankshaft oil seal; 7 – front crankshaft oil seal; 8 – Crankshaft spacer ring (DOHC); 9 – sensor rotor (DOHC); 10 – key; 11 – crankshaft pulley
3. Remove pulley 11 (Fig. 3.34) of the crankshaft toothed belt and key 10.
4. Remove the sensor rotor and spacer ring 8 of the crankshaft (DOHC).
5. Drill two small holes in the front crankshaft oil seal, located at diametrically opposite ends of the oil seal. Screw two self-tapping screws into the drilled holes in the oil seal and use pliers to pull out oil seal 7 by the screw heads.
6. Clean the oil seal seat.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
1. Lubricate the entire working edge of the oil seal with a small amount of engine oil.
Fig. 3.35. Using mandrels to install the front crankshaft oil seal: 1 – crankshaft; 2 – mandrel MD998717; 3 – oil seal
2. Install the seal by lightly tapping the mandrel until it is flush with the seal body (Fig. 3.35).
3. Remove all traces of engine oil and install the crankshaft pulley.
Rear crankshaft oil seal
Removal
1. Remove the crankshaft position sensor.
2. Remove the engine oil pan.
3. Remove the gearbox assembly.
4. Remove the clutch housing and clutch driven disc.
5. Secure the flywheel or torque converter drive plate from turning by installing a special tool on the flywheel ring gear, unscrew the mounting bolts and remove the flywheel or torque converter drive plate and adapter plate 2 (see Fig. 3.34).
6. Drill two small holes in the rear crankshaft oil seal, located at diametrically opposite ends of the oil seal. Screw two self-tapping screws into the drilled holes in the oil seal and use pliers to pull out oil seal 6 by the screw heads.
7. Clean the oil seal seat.
Installation
Installation is carried out in the reverse order of removal, taking into account the following.
1. Lubricate the entire working edge of the oil seal with a small amount of engine oil.
Fig. 3.36. Using mandrels to install the rear crankshaft oil seal: 1 – rear crankshaft oil seal; 2 – mandrel MD990938; 3 – mandrel MD998776; 4 – crankshaft
2. Install the seal by pressing it so that the end surface is located at the level of the chamfer of the seal housing (Fig. 3.36).
3. Before installation, clean the bolts, threaded holes in the crankshaft and flywheel (manual transmission) or torque converter drive plate (automatic transmission) from oil, sealant and other contaminants.
Fig. 3.37. Places to apply sealant and grease when installing the rear crankshaft oil seal: A – manual transmission; B – automatic transmission; 1 – crankshaft; 2 – places of application of sealant ЗМ STUD Locking 4170 or similar; 3 – flywheel; 4 – places where engine oil is applied under the bolt washer; 5 – drive plate
4. Lubricate the contact surfaces of the flywheel mounting bolts (manual transmission) or the torque converter drive plate (automatic transmission) with oil (Fig. 3.37).
5. Apply engine oil to the flywheel holes.
6. Apply sealant ЗМ STUD Locking 4170 or similar to the threads of the holes for the mounting bolts (see Fig. 3.37).
7. Using the special tool as for removal, secure the flywheel or torque converter drive plate and tighten the mounting bolts to 93–103 N·m.