Repairing the transmission cooler on a Subaru B9 Tribeca involves several steps that require a good understanding of automotive systems, tools, and safety precautions. click here for more details on the download manual…..
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Below is a detailed guide on how to perform the repair, including descriptions of components involved in the process.
### tools and Materials Needed
1. **Tools:**
– Socket set (including 10mm, 12mm, and 14mm sockets)
– Wrench set
– Screwdrivers (flathead and Phillips)
– Pliers (needle-nose and regular)
– Torque wrench
– Transmission fluid pump or funnel
– Oil catch pan
– Ratchet straps (optional, for holding hoses)
– Brake cleaner or degreaser
– Clean rags or shop towels
2. **Materials:**
– New transmission cooler (if replacing)
– New transmission cooler lines (if needed)
– New transmission fluid
– Gaskets or O-rings (if applicable)
– RTV sealant (if applicable)
– replacement fasteners (if necessary)
### Steps for Transmission Cooler Repair
#### 1. Safety Precautions
– **Park the vehicle** on a level surface and engage the parking brake.
– **Disconnect the battery** by removing the negative terminal to prevent any electrical issues.
– **Wear safety glasses and gloves** to protect yourself from fluids and sharp edges.
#### 2. Locate the Transmission Cooler
– The transmission cooler is typically located in front of the radiator. In the B9 Tribeca, it is integrated into the radiator assembly.
– **Accessing the cooler** may require removing the front bumper or splash guard, depending on the specific repair needed.
#### 3. Remove the Front Bumper (if necessary)
– **Remove screws and clips** that secure the bumper to the vehicle. These may be found in the wheel wells, under the vehicle, and around the grille area.
– **Gently pull the bumper** away from the vehicle, being cautious of any wiring or connectors.
#### 4. Drain Transmission Fluid
– Place an **oil catch pan** under the transmission cooler lines.
– **Disconnect the cooler lines** from the cooler. Use a wrench to loosen the fittings. Be prepared for some fluid to leak out; let it drain completely into the pan.
#### 5. Remove the Transmission Cooler
– If the cooler is integrated into the radiator, you may need to remove the entire radiator.
– **Remove any mounting bolts** that secure the cooler or radiator using the socket set.
– **Carefully lift the cooler or radiator** out of the engine bay. Be cautious of any attached hoses or wiring.
#### 6. Inspect for Damage
– **Examine the transmission cooler** for cracks, corrosion, or leaks. If it is damaged, proceed to replace it with a new unit.
– check the **cooler lines** for wear or damage. Replace them if necessary.
#### 7. Install the New Transmission Cooler
– If replacing the cooler, **position the new cooler** in place and secure it with the mounting bolts. Ensure it is aligned properly.
– If needed, apply **RTV sealant** or replace gaskets/O-rings on the cooler fittings to ensure a proper seal.
#### 8. Reconnect Transmission Cooler Lines
– Reconnect the cooler lines to the new cooler, ensuring they are tightened securely But not overtightened to avoid damage.
#### 9. Reinstall the Radiator (if applicable)
– If you removed the radiator, carefully reinstall it, ensuring all hoses
and electrical connections are properly attached.
– Secure it with the mounting bolts.
#### 10. Reinstall the Front Bumper (if removed)
– Align the bumper back onto the vehicle and secure it with screws and clips. Ensure all wiring is properly connected.
#### 11. Refill Transmission Fluid
– Access the transmission dipstick tube and use a funnel or pump to refill the transmission fluid. Consult your owner’s manual for the correct type and quantity of fluid.
– Start the engine and allow it to idle for a few minutes while checking for leaks.
#### 12. check Fluid Level
– After the engine is warmed up, check the transmission fluid level using the dipstick. Add more fluid if necessary.
#### 13. Test Drive
– Take the vehicle for a short test drive to ensure everything is functioning properly and that there are no leaks.
#### 14. Final Check
– After the test drive, inspect the area under the vehicle for any signs of leakage and check the fluid levels again.
### Conclusion
Repairing or replacing the transmission cooler on a Subaru B9 Tribeca involves careful disassembly and reassembly of components. Ensure all connections are secure and fluid levels are correct to maintain optimal transmission function. If you are not comfortable with automotive repairs, it is advisable to seek professional assistance.
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