Disassembly Procedure
- If not removed during the control valve body removal, remove the following components:
• | The transmission fluid cooler check ball (228) and spring (227) |
• | The torque converter check valve (225) and return spring (226) |
- Remove the transmission fluid servo valve body filter (211)
- Remove the following components from the control valve body assembly (250):
• | The bore plug retainer clip (207) |
• | The CPC valve return spring (204) |
• | The valve spring retainer (210) |
• | The shift valve E return spring (209) |
• | The shift valve E (208) |
- Remove the following components from the control valve body assembly (250):
• | The valve spring retainer plate (210) |
• | The relief valve return spring (213) |
• | The bore plug retainer clip (207) |
• | The lubrication control valve return spring (216) |
• | The lubrication control valve (215) |
- Remove the following components from the control valve body assembly (250):
• | The bore plug retainer clip (207) |
• | The lock-up shift valve (219) |
• | The lock-up shift valve return spring (218) |
• | The valve spring retainer (210) |
• | The modulator valve return spring (201) |
• | The modulator valve (202) |
- Remove the following components from the main control valve body assembly (250):
• | The valve body spring retainer (210) |
• | The shift valve A return spring (241) |
• | The shift valve A (242) |
• | The bore plug retainer clip (207) |
• | The shift valve B return spring (239) |
• | The shift valve B (240) |
- Remove the following components from the control valve body assembly (250):
• | The valve body spring retainer (210) |
• | The shift valve D return spring (236) |
• | The shift valve D (237) |
• | The bore plug retainer clip (207) |
• | The lock-up timing valve return spring (230) |
• | The lock-up timing valve (229) |
Inspection Procedure
- Inspect the main control valve body for scoring or damage.
- Clean the bores and passages.
- Inspect all valves for wear or damage. If a valve does not operate, refer to
General Valve Body Service Instructions
.
Assembly Procedure
- Lubricate all the parts with automatic transmission fluid during assembly.
- Install the following components into the control valve body assembly (250):
• | The shift valve D (237) |
• | The shift valve D return spring (236) |
• | The valve bore plug retainer (210) |
• | The lock-up timing valve (229) |
• | The lock-up timing valve return spring (230) |
• | The bore plug retainer clip (207) |
- Install the following components into the control valve body assembly (250):
• | The shift valve A (242) |
• | The shift valve A return spring (241) |
• | The valve bore plug retainer (210) |
• | The shift valve B (240) |
• | The shift valve B return spring (239) |
• | The bore plug retainer clip (207) |
- Install the following components into the control valve body assembly (250):
• | The lock-up shift valve return spring (218) |
• | The lock-up shift valve (219) |
• | The bore plug retainer clip (207) |
• | The modulator valve (202) |
• | The modulator valve return spring (201) |
• | Install the bore retainer plate (210) |
- Install the following components into the control valve body assembly (250):
• | The relief valve return spring (213) |
• | The bore retainer plate (210) |
• | The lubrication control valve (215) |
• | The lubrication control valve return spring (216) |
• | The valve bore plug retainer (207) |
- Install the following components into the control valve body assembly (250):
• | The CPC valve return spring (204) |
• | The bore plug retainer clip (207) |
• | The shift valve E (208) |
• | The shift valve E return spring (209) |
• | The valve bore plug retainer (210) |
- Install the following into the main control valve body assembly (250):
• | The transmission fluid cooler check ball (228) and spring (227) |
• | The transmission fluid filter (211) |
• | Torque converter check valve return spring (226) and check valve (225) |