Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
ACIS Vacuum Tank
2004 Toyota Celica GT, StandardSECTION ACIS Vacuum Tank
WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2003 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect vacuum hoses from vacuum tank. Vacuum tank is located at left side of engine compartment, under battery tray. Apply air pressure to port "B" on vacuum tank. Ensure air flows from port "A". Perform STEP 1. See Fig 1. Apply air pressure to port "A". Ensure air does not flow from port "B". Perform STEP 2. See Fig 1. Go to next step.
- Plug port "B" on vacuum tank. Using vacuum pump, apply 7.9 in. Hg (27 kPA) of vacuum to port "A". Perform STEP 3. See Fig 1. Ensure vacuum reading will hold for at least one minute. Replace vacuum tank if defective and recheck system operation. If vacuum tank is okay, reconnect vacuum hoses. Check ACIS vacuum switching valve. See ACIS VACUUM SWITCHING VALVE .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.