Case Cover

1. Check case cover for damage, cracks, porosity, interconnected passages and damaged threads. Repair or replace if necessary.
2. Check vent assembly. If replacement is required, remove vent and install a new one using Loctite or equivalent.
3. Check cooler line connectors for damage. When installing a new one, coat threads with a sealer. Refer to "Torque Specifications Chart" for torque values.

Fig. 69, Removing detent spring & roller assembly:

4. Check manual detent spring and roller assembly for damage. Replace if necessary, Fig. 69.
5. Check axle oil seal. Replace oil seal if guard is damaged. To replace seal, remove oil seal from case and install new one using tool axle seal installer tool No. J-26938.
6. Check case cover sleeve. Make sure hole in sleeve aligns with case cover passages that intersect the case cover (pump shaft) bore, Fig. 69.
7. Check manual valve for damage. If replacement is necessary, proceed as follows:

Fig. 66, Installing band anchor hole plug:

a. Remove case cover electrical connector, then the manual valve. Install new valve, small end first and coat electrical connector O-ring seal with petroleum jelly. Position O-ring seal onto electrical connector and install connector into case cover, making sure locating tab lines up with case slot, Fig. 66.
8. Remove 1-2 accumulator piston and pin. Check for wear or damage.

Fig. 59, Oil seal ring installation:

9. Check accumulator piston seal rings for wear or damage and replace if necessary. When installing new seal rings, be sure to position cut ends properly, Fig. 59.
10. Install 1-2 accumulator piston with flat side down.
11. Check thermostatic valve. If replacement is necessary, proceed as follows:

Fig. 70, Removing thermostatic element roll pin:

a. Remove thermostatic element roll pin washer, Fig. 70.

Fig. 71, Removing thermostatic element:

b. Remove thermostatic element, roll pin washer and thermostatic element plate, Fig. 71.
c. Replace roll pins if necessary.

Fig. 72, Gauging capped roll pin:

d. If removed, install capped roll pin setting height using thermo element height gauge tool No. J-29023, Fig. 72.
e. Check thermostatic element plate for damage or distortion.
f. Install thermostatic element plate and thermostatic element, Fig. 71.

Fig. 73, Gauging roll pin washer height:

g. Install roll pin washers using tool J-29023 to set the height, Fig. 73.
12. Install driven sprocket tanged thrust washer onto case cover and retain with petroleum jelly, Fig. 73.
13. Install two aligning dowel pins into case.

Fig. 16, Removing case center gasket:

14. Install 1-2 accumulator spring and center case to case cover gasket. Retain gasket with petroleum jelly, Fig. 16.

Fig. 74, Case cover bolt location:

15. Install case to case gasket and case cover. Refer to Fig. 74 for location of case cover bolts. Coat bolt A with thread sealing compound before installation.

Fig. 12, Check ball locations:

16. Clip manual valve rod to manual rod, Fig. 12.

Fig. 75, Installing 1-2 accumulator pin:

17. Install 1-2 accumulator pin with chamfered end in first, Fig. 75.
18. Check input shaft endplay as described in "Transaxle, Disassemble".