Check Reaction Sun Gear & LO Race Endplay

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. Torque connectors to specifications.





4. Check manual detent spring and roller assembly for damage. Replace if necessary, see image.

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 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, see image above step 4.

7. Check manual valve for damage. If replacement is necessary, proceed as follows:





a. Remove case cover electrical connector, then the manual valve. Install new valve, small end first and coat electrical connector 0-ring seal with petroleum jelly. Position 0-ring seal onto electrical connector and install connector into case cover, making sure locating tab lines up with case slot, see image.

8. Remove 1-2 accumulator piston and pin. Check for wear or damage.





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, see image.

10. Install 1-2 accumulator piston with flat side down.

11. Check thermostatic valve. If replacement is necessary, proceed as follows:





a. Remove thermostatic element roll pin washer, see image.





b. Remove thermostatic element, roll pin washer and thermostatic element plate, see image.

c. Replace roll pins if necessary.





d. If removed, install capped roll pin setting height using tool J-29023, see image.

e. Check thermostatic element plate for damage or distortion.

f. Install thermostatic element plate and thermostatic element, see image above step 11-b.





g. Install roll pin washers using tool J-29023 to set the height, see image.

12. Install driven sprocket tanged thrust washer onto case cover and retain with petroleum jelly, see image above step 11-g.

13. Install two aligning dowel pins into case.





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











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





16. Clip manual valve rod to manual rod, see image.





17. Install 1-2 accumulator pin with chamfered end in first, see image.

18. Check input shaft endplay as described in "Transaxle, Disassemble."