Automatic Transmission Oil Cooler Flushing: Preparation
WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
- After the repair or replacement transmission is installed in the vehicle, do not reconnect the oil cooler pipes.
- Remove the fill cap (9) on the and fill the flusher tank (4) with 0.6 liter (20-21 oz) of flushing solution using the measuring cup (6). Do not overfill.
- Install the fill cap (9) on the and pressurize the flusher tank (4) to 550-700 kPa (80-100 psi), using the shop air supply at the tank air valve (9).
- Connect the discharge hose (5) to the oil cooler return pipe, horizontal/bottom connector.
- Clip the discharge hose (5) onto the oil drain container.
- Attach the to the undercarriage of the vehicle with the hook provided and connect the flushing system feed supply hose (3) from the to the oil cooler feed pipe, vertical/top connector.
- With the water supply valve (1) on the in the OFF position, connect the water supply hose (7) from the to the water supply at the faucet.
- Turn ON the water supply at the faucet.
IMPORTANT:
The flushing fluid is environmentally safe, yet powerful enough to cut through transmission fluid to dislodge any contaminants from the cooler. The safety precautions on the label regarding potential skin and eye irritations associated with prolonged exposure, are typical precautions that apply to many similar cleaning solutions. It should be noted that according to GM, use of other non-approved fluids for cooler flushing can have an adverse reaction to the seals inside the transmission.