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Home >> Jeep >> 2022 >> Gladiator Mojave, Part Time T/Case Control, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (3.0L Engine (Service Information) (2 Of 3)) >> Engine Block >> Diagnosis And Testing >> Diagnosis And Testing - Vacuum Pump

Diagnosis And Testing - Vacuum Pump

WARNING: This page is about a different variant/trim than selected.
  1. Connect a vacuum gauge to the booster check valve with a short length of hose and T-fitting.
  2. Start the engine allowing the engine to run for 30 seconds. Vacuum should be 18 inches HG (609 millibars). Verify the vacuum line is not leaking. If no leak is present replace vacuum pump. Refer to PUMP, VACUUM, REMOVAL AND INSTALLATION .
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