33

Section 6 Oil Pump Oil Seal Replacement

1. Pry with 2 screwdrivers. Detach crankshaft timing pulley. 

See (Figure 74)

2. Remove oil pump oil seal. See (Figure 75)

(a) Using a knife, cut off oil seal lip.

(b) Using a screwdriver, pry out the oil seal.

3. Install oil pump oil seal. See (Figure 76)

(a) Smear grease to a new oil seal lip.

(b) on the oil seal with hammer until the edge of the oil pump

case is filled with the seal packing.

4. Install crankshaft timing pulley. See (Figure 77)

(a) Align pulley set key to the key groove.

(b) Place the flange face inward. Install timing pulley.

5. Install timing belt

6. Check engine oil for leakage

Figure 76 

Figure 74

Figure 75

 Figure 77

34

Section 7 Engine Rear Oil Seal Replacement

1. Detach engine and manuel transaxle assembly on "Provision 20, Section 2, Chapter 2"

2. Detach clutch case assembly

3. Remove clutch plate assembly

4.Fix the front end of crankshaft. Detach flywheel.

See (Figure 78)

5. Remove rear crankshaft end cover

6. Remove engine rear oil seal. See (Figure 75)

7. Install engine rear oil seal. See (Figure 76)

8. Install flywheel sub-assembly. See (Figure 79)

(a) Fix crankshaft.

(b) Install flywheel to crankshaft. as the sequence shown in the figure,

(c) Install and uniformly tighten and install bolt

 Torque: 78N. m

9. Install clutch plate assembly

10. Install clutch case assembly

11. Install manual transaxle assembly

Figure 78

Figure 79

35

Chapter 3 Lubrication System

 (MR479Q, MR479QA, MR481QA)

Section 1  Oil Pressure Gage Sensor Replacement

1. Check oil level

Warm up the engine. Check the dipstick to ensure oil level between "L" and "F" after engine stopped

5 minutes. Check for leakage if it is too low. Fill oil to "F.

2. Check oil for deterioration. Water entry, discolor and dilution. Replace oil if it is obviously

deteriorated.

3. Detach oil pressure sensor assembly. See (Figure 80)

4. Install oil pressure gage sensor. See (Figure 81) Start engine to

normal operation temperature.

5. Check for oil pressure

6. Smear adhesive on 2 or 3 threads of the oil pressure sensor.

Install oil pressure sensor. See (Figure 82)

  Figure 81

Figure 82

Figure 80

36

Section 2  Oil Pump Assembly Replacement

1. Remove timing belt

2. Remove timing belt idler sub-assembly

3. Detach crankshaft timing pulley. See (Figure 74)

4. Remove the dipstick guide

5. Detach oil sump sub-assembly. See (Figure 83)

6. Detach oil strainer sub-assembly. See (Figure 84)

7. Detach oil pump assembly. See (Figure 85)

8. Remove oil pump oil seal

9. Install oil pump oil seal

10. Install oil pump assembly

11. Install oil strainer sub-assembly

12. Install oil sump assembly. See (Figure 86)

Figure 84

Figure 85

Figure 83

Figure 86