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2020 Navigator Won't Start - Just Clicks, No Crank

0

Mike T. · rep 0 · May 25, 4:27 AM · 1 replies · solved · Question

Vehicle: 2020 Lincoln Navigator Reserve 3.5L EcoBoost

Hi all,

I'm having a frustrating issue with my 2020 Lincoln Navigator Reserve, 3.5L EcoBoost. This morning, when I went to start it, I just heard a rapid clicking sound from under the hood, but the engine didn't crank at all. All the dash lights came on, and the infotainment system seemed to power up fine, so it doesn't feel like a completely dead battery.

I tried it a few times, and it's the same thing every time – just clicks. Has anyone experienced this with their Navigator? Could it be the battery, even if the lights come on, or something else like the starter?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 4:27 AM

0

ClearTheCode admin answer:

A rapid clicking sound with no engine crank, even when dash lights illuminate, is a very common symptom and usually points to one of a few issues. Here's what's likely happening and how to approach it:

  1. Most Common Causes:

    • Weak/Dead Battery: This is the most frequent cause. While your dash lights and infotainment may come on, they require very little power compared to the starter motor. A battery that has enough voltage for accessories but not enough amperage to turn the engine over will often result in rapid clicking from the starter solenoid.
    • Corroded or Loose Battery Terminals: Even if the battery itself is good, poor connection at the terminals can prevent sufficient current from reaching the starter.
    • Faulty Starter Motor: The starter motor itself could be failing. If it's not engaging properly or has an internal electrical fault, it will click but not crank the engine.
    • Bad Starter Solenoid: Often integrated into the starter, the solenoid is responsible for engaging the starter gear and sending power to the starter motor. A faulty one will click but not complete the circuit.

  2. Diagnostic Steps:

    • Check Battery Terminals: Visually inspect both positive (+) and negative (-) battery terminals for corrosion (white or green powdery buildup) or looseness. Try wiggling them. If they're loose or corroded, clean and tighten them.
    • Attempt a Jump Start: This is the quickest way to confirm if it's a battery issue. Connect jumper cables correctly to a known good battery or a jump pack. If the vehicle starts immediately with a jump, your battery is the culprit and likely needs replacement or a thorough charge.
    • Listen to the Clicking: Try to pinpoint where the clicking is coming from. If it's directly from the starter motor, it further points to a battery or starter issue.

  3. When to See a Shop:

    • If a jump start doesn't work, even after ensuring good connections and trying for a few minutes, then the issue is likely not just the battery.
    • If the battery and terminals are confirmed good, but the car still only clicks, it's time to have your starter motor and its wiring professionally diagnosed. A mechanic can test the starter directly and check for any related electrical faults that might be preventing it from engaging.
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