Daewoo Musso. Manual - part 270

5A-112  AUTOMATIC TRANSMISSION

Pump Cover  and Converter Support

Notice

1. Do not wash the nose of solenoids in solvent.

2. Ensure that the correct ‘O’ ring is fitted for the application.

3. Do not mix up the low first blow-off and the torque converter

blow-off ball springs.

4. Be careful not to damage the needle bearings on the

assembly. Avoid any axial impact loads during assembly.

5. Check the transmission end float. This will help to detect

any missing parts or incorrect assembly.

Notice

Figure 8.35 shows the orientation of the cross- sections for
figures 8.36 to 8.42.

To assemble the pump cover and converter support

(refer to figures 8.34 and 8.35), proceed as follows.

1. Check the pump body for any damage, chips or irregularity.

Check that the bush is firmly staked in the drive gear.

2.  Install the seal flush with the front face of the pump body.

3.  Lubricate the pump bush, and the drive and driven gears,

with automatic transmission fluid.

4.  Install the pump driven gear and the pump drive gear into

the pump body.

5.  Using a straight edge and thickness gauge, check that the

clearance between pump face and gears is 0.04 - 0.018
mm.

6.  Lubricate the pump body ‘O’ ring with automatic transmission

fluid and fit it to the pump body. Put the pump body to one
side.

7.  Ensure that the pump cover cavities, ports and holes are

clean and free of any obstruction.

8.  Lubricate all loose parts with automatic transmission fluid

prior to assembly.

Figure 8.34 - Pump, Cover and Converter

      Support

Figure 8.35 - Pump Cover Assembly

AUTOMATIC TRANSMISSION  5A-113

9. Assemble the primary regulator valve and plunger (refer

to figure 8.36) to the pump cover, ensuring that the
regulator valve slides freely, then fit the regulator valve
plug and ‘O’ ring.

10. Install the retaining pin.

11. Install the converter clutch regulator valve (refer to figure

8.37), plug, and ‘O’ ring.

Figure 8.36 - Primary Regulator Valve

Figure 8.37 - Converter Clutch Regulator Valve

5A-114  AUTOMATIC TRANSMISSION

13. Install the converter clutch control valve (refer to figure

8.38), spring, plug, and ‘O’ ring.

14. Install the retaining pin. Refer to figure 8.39.

Figure 8.39 - Valve Retaining Plugs and Pins

Figure 8.38 - Converter Clutch Control Valve

12. Install the retaining pin. Refer to figure 8.39.

AUTOMATIC TRANSMISSION  5A-115

15. Install the C1 bias valve spring, valve, plug and ‘O’ ring.

Refer to figure 8.40.

16. Install the retaining pin. Refer to figure 8.39.

17. Install the converter release check ball and spring and the

feed ball. Refer to figures 8.41,  8.42 and 8.43.

Figure 8.40 - C1 Bias Valve

Figure 8.41 - Converter Relief Ball and Spring

Figure 8.42 - Peed Ball

Figure 8.42 - Feed Ball