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.
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HOMESERVICE MANUALSMERCURY2009MILAN AWD L4-2.3LREPAIR AND DIAGNOSISBODY AND FRAMELOCKSPOWER LOCKSTESTING AND INSPECTIONPINPOINT TESTSPINPOINT TEST X: SQUEAK/RATTLE/CHUCKING NOISE FROM DOOR
2009 Mercury Milan AWD L4-2.3L
Pinpoint Test X: Squeak/Rattle/Chucking Noise From Door
2009 Mercury Milan AWD L4-2.3LSECTION Pinpoint Test X: Squeak/Rattle/Chucking Noise From Door
Locks, Latches and Entry Systems
Pinpoint Tests
Pinpoint Test X: Squeak/Rattle/Chucking Noise From Door
This pinpoint test is intended to diagnose the following:
- Door alignment
- Striker adjustment
- Door latch
PINPOINT TEST X: SQUEAK/RATTLE/CHUCKING NOISE FROM DOOR
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X1 CHECK FOR ANY LOOSE COMPONENTS
- Remove the door trim panel.
- Inspect inside the door for any loose components.
- Are there any loose components inside the door?
Yes
REPAIR as necessary. TEST the system for normal operation.
No
GO to X2.
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X2 CHECK THE STRIKER ADJUSTMENT
- Check the adjustment of the striker.
- Is the striker adjusted correctly?
Yes
GO to X3.
No
ADJUST the striker as necessary. TEST the system for normal operation.
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X3 CHECK THE DOOR ALIGNMENT
- Check the alignment of the door.
- Is the door aligned correctly?
Yes
GO to X4.
No
ADJUST the door as necessary. TEST the system for normal operation.
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X4 CHECK THE LATCH OPERATION AFTER LUBRICATION
- Lubricate the door latch. REFER to Latch Lubrication Procedures.
- Using a screwdriver, fully close the latch (two clicks).
- Operate the door latch and listen for the noise.
- Is the original noise still present after the latch is lubricated?
Yes
INSTALL a new door latch. REFER to Front Door Latch Front Door Latch or Rear Door Latch Rear Door Latch. TEST the system for normal operation.
No
The concern was caused by an insufficiently lubricated door latch.
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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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.