Hi Greg. Honestly, I would replace the check valve at the same time. That way there's no question. If you are going to replace everything, here are the directions for removing and replacing the transmission. There are a ton of pictures that correlate with these directions. I do not know if you need them, but figured I would add them just in case. Note: When you remove the transmission, you will need to support the engine. The procedure is in the directions. Also, the directions indicate the torque specs for all components. Let me know if you need help with anything or need more information.
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Removal
1. Remove the engine cover(A).
2. Remove the battery(A).
3. Disconnect the air duct (A).
4. After disconnecting ECU connector (A), remove the air cleaner assembly (B).
5. Remove the battery tray (A).
6. Disconnect the vehicle speed sensor connector (A), the back up lamp switch connector (B).
7. Disconnect the cable assemblies (A) after removing the clips (B) and pins (C).
8. Remove the ground (A).
9. After removing the clip(B) with clamping the concentric slave cylinder tube, disconnect the tube(A).
10. Remove the transaxle upper mounting bolts (A-2ea) and the starter motor mounting bolts (B-2ea).
11. Using the special tool(09200-38001), support the engine transaxle assembly safely.
12. Remove the insulator bracket bolts (A).
13. Remove the front wheels&tires.
14. Remove the steering joint assembly bolt.
15. Lifting up the vehicle, remove the under shield cover.
16. Drain the manual transaxle fluid after removing the transaxle drain plug(A). It can be easier when the oil filler plug(B) is removed.
17. Loosening the clamp(B), disconnect the the power steering return hose(A) and drain the power steering fluid.
18. Disconnect the power steering pressure hose(A) bolt(B).
CAUTION:
Be careful not to lose the washers.
19. Remove the lower arm ball joint assembly mounting bolts.
20. Remove the stabilizer link mounting bolt.
21. After removing a split pin and nut from the tie rod end, disconnect it.
22. Disconnect the roll stopper bracket bolts(A, B).
23. Disconnect the muffler hanger rubber (A).
24. Supporting the sub frame with a jack and the Special tool(09624-38000), remove the mounting bolts.
25. Disconnect the driveshafts(A, B) from the transaxle..
26. Remove the heat cover.
27. Remove the transaxle lower mounting bolts(A-4ea, B-2ea)
28. Lowering the jack slowly, remove the transaxle.
CAUTION:
When removing the transaxle assembly, be careful not to damage any surrounding parts or body components.
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Installation
1. Install the transaxle lower mounting bolts(A-4ea, B-2ea)
Tightening torque :
43-55Nm (4.3-5.5kgf.M, 31.1-39.8lb-ft)
2. Install the heat cover. (Refer to Exhaust Manifold in EM group)
3. Connect the driveshafts(A, B) to the transaxle.
4. Supporting the sub frame(A) with a jack and the Special tool(09624-38000), install the mounting bolts. (See SS group).
Tightening torque :
140-160Nm (14-16kgf.M, 101-118lb-ft)
5. Install the muffler hanger rubber (A).
6. Install the roll stopper bracket bolts(A, B).
Tightening torque :
50-65Nm(5-6.5kgf.M, 36.2-47.0lb-ft)
7. Connect the the power steering return hose(A) by tightening the clamp(B).
8. Install the tie rod end to the knuckle. (See ST group)
Tightening torque :
24-34Nm(2.4-3.4kgf.M, 17.4-24.6lb-ft)
9. Install the stabilizer link mounting bolt. (See SS group)
Tightening torque :100-120Nm(10-12kgf.M, 72.3-86.8lb-ft)
10. Install the lower arm ball joint assembly mounting bolts. (See SS-group)
Tightening torque :100-120Nm(10-12kgf.M, 72.3-86.8lb-ft)
11. Refill the manual transaxle fluid through the oil filler hole by removing the oil filler plug after installing the transaxle drain plug.
Tightening torque :
30-35Nm(3.0-3.5kgf.M, 21.7-25.3lb-ft)
Manual transaxle fluid :SAE 75W/85
12. Install the steering joint assembly bolt. (See ST group)
Tightening torque :
18-25Nm(1.8-2.5kgf.M, 13.0-18.1lb-ft)
13. Lifting up the vehicle, install the under shield cover.
14. Install the front wheels&tires. (See SS group)
15. Install the transaxle insulator mounting bracket bolts (A).
Tightening torque :
60-80Nm(6.0-8.0kgf.M, 43.4-57.9lb-ft)
16. Remove the special tool(09200-38001).
17. Install the transaxle upper mounting bolts (A-2ea) and the starter motor mounting bolts (B-2ea).
Tightening torque :
43-55Nm(4.3-5.5kgf.M, 31.1-39.8lb-ft)
18. Connect the power steering pressure bolt(A). (See ST group)
Tightening torque :
55-65Nm(5.5-6.5kgf.M, 39.8-47.0lb-ft)
19. Connecting the concentric slave cylinder tube(A) install the clip(B).
20. Install the ground (A).
21. Connect the cable assemblies(A) by installing the clips(B) and pins(C).
22. Connect the vehicle speed sensor connector (A), the back up lamp switch connector (B).
23. Install the battery tray (A).
24. After installing the air cleaner assembly (B), connect ECU connector (A).
25. Connect the air duct (A).
26. Install the battery(A).
27. Install the engine cover(A).
28. After completing the installation perform the following procedure;
A. Refill the all fluids.
B. Clean the battery posts and cable terminals with sandpaper and grease them to prevent corrosion before installing.
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Let me know if this helps.
Take care,
Joe
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Wednesday, August 8th, 2018 AT 7:04 PM