How to service the Knock Sensor (KS) on 2009 Lincoln MKZ?

Removal of the thermostat housing, lower intake manifold, and coolant tube is required to service Knock Sensor (KS). Break the electric connector of KS and handle with the hand tools to avoid the destruction. Loose the KS bolts, tighten (20 Nm 177 lb-in) and lubricate with clean engine coolant the new O-ring seal and reassemble.

OEM 2009 Lincoln MKZ Knock Sensor

Engine Knock Sensor

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2009 Lincoln MKZ Knock Sensor Part Number: 7T4Z-12A699-A
$55.53 MSRP: $88.18
You Save: $32.65 (38%)
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Product Specifications
- Other Name: Sensor - Engine Knock; Ignition Knock (Detonation) Sensor
- Replaces: 7T4Z-12A699-AB
- Item Weight: 0.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 7T4Z-12A699-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Lincoln MKZ Submodels:
- Base, Black Label | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS

2009 Lincoln MKZ Knock Sensor

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2009 Lincoln MKZ Knock Sensor Parts Q&A

Q: How to service the Knock Sensor (KS) on 2009 Lincoln MKZ?
A: Removal of the thermostat housing, lower intake manifold, and coolant tube is required to service Knock Sensor (KS). Break the electric connector of KS and handle with the hand tools to avoid the destruction. Loose the KS bolts, tighten (20 Nm 177 lb-in) and lubricate with clean engine coolant the new O-ring seal and reassemble.