Cooler Bypass Valve

Cooler Bypass Valve

Material:

Removal
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Remove the retainer, the 5 bolts and the LH splash shield.





3. Disconnect and remove the rear cooler tube fitting from the transaxle case.





4. Disconnect and remove the fluid cooler tube bracket and bolt from the transaxle case.





5. Remove the radiator grille.

6. NOTE: Do not remove the steel tube from the converter housing.

Disconnect the front transmission fluid cooler hose from the transaxle case.





7. Disconnect the transmission fluid cooler hoses from the transmission fluid combo cooler and discard the transmission fluid cooler tubes.





8. Remove the 2 bolts from the lower LH side of the main control cover.

Installation

CAUTION: The transmission fluid cooler bypass valve (CBV) is flow directional. The CBV must be installed with the end cap facing up. If not installed correctly, internal damage to the transaxle will result.

NOTE: The transmission fluid cooler bypass valve (CBV) cannot be successfully cleaned by back flushing, flushing or disassembly. For vehicles that are equipped with this cold weather bypass valve, a new valve should be installed whenever the transaxle is being overhauled.

1. Install the 2 studs to the lower LH side of the main control cover.
^ Tighten to 13 Nm (10 lb-ft).

2. Position the cooler bypass valve (CBV) onto the studs and loosely install the 2 nuts.
3. Install the transmission fluid cooler tube into the case fitting near the pump.
^ Tighten to 25 Nm (18 lb-ft).

4. Tighten the 2 CBV retaining nuts.
^ Tighten to 11 Nm (8 lb-ft).

5. Install the fluid cooler tube bracket onto the pump and install the bolt.
^ Tighten to 12 Nm (9 lb-ft).

6. Install the transmission fluid cooler hose onto the converter housing tube. Pull the red clip off the constant tension clamp to activate the clamp.
7. Install the fluid cooler hose on the CBV and install the clamp.
8. Install the transmission fluid cooler hose onto the combo fluid cooler lower fitting. Pull the red clip off the constant tension clamp to activate the clamp.
9. Install the transmission fluid cooler hose onto the upper fitting of the CBV. Install the other end of the hose to the upper combo cooler tube. Pull the red clip off the constant tension clamps to activate the clamp.
10. Start the vehicle and check the transmission fluid level.
^ Fill the transaxle with clean automatic transmission fluid.