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.
Engine Mount Vacuum Hose Check
2004 Acura 3.5RLSECTION Engine Mount Vacuum Hose Check
- Disconnect upper vacuum hose from engine mount control solenoid valve. Install a hand-held vacuum pump to upper vacuum hose. Apply 20 in. Hg. Vacuum should hold. If vacuum holds, go to next step. If vacuum does not hold, check vacuum hose for leaks. If vacuum hose is okay, go to next step.
- Release and apply vacuum. Repeat a few times. If sensed idle vibration does not change with or without vacuum applied, replace affected engine mount. If sensed idle vibration changes noticeably with or without vacuum, test engine mount control solenoid valve. See CONTROL SOLENOID CIRCUIT CHECK .
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.