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HOMESERVICE MANUALSACURA19983.5RL SPECIAL EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 7 (3.5L V6 ENGINE)ENGINE MOUNT CONTROL SYSTEMSYSTEM TESTSENGINE MOUNT VACUUM HOSE CHECK
1998 Acura 3.5RL Special Edition

Engine Mount Vacuum Hose Check

1998 Acura 3.5RL Special EditionSECTION Engine Mount Vacuum Hose Check
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Acura 3.5RL, 2003 Acura 3.5RL, 2002 Acura 3.5RL, 2001 Acura 3.5RL, and 2000 Acura 3.5RL. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.
  2. 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 .
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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.