How many spark plugs are shown in the illustration?

Four spark plugs are shown above one valve/cam cover (one bank of a V-type engine).

Is there a figure or reference number on this document?

Yes, the illustration is labeled A0033040.

Does the document state which engine or model year it applies to?

No, the illustration itself contains no year, model, or engine designation—only the torque value and figure number.

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Ford Spark Plug Torque Spec Diagram - 18 Nm (13 lb-ft) Valve Cover Illustration

Valve cover drawing with spark plugs and an 18 Nm (13 lb-ft) torque callout

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Service figure showing spark plugs on a valve cover with an 18 Nm (13 lb-ft) torque specification.

AI caption October 2008 · Photo 562 of 4867

This document is a single illustration from a Ford service manual showing the spark plug installation torque specification. The drawing depicts four spark plugs positioned above a valve (cam) cover of one bank of a V-type engine, with a callout box specifying a tightening torque of 18 Nm (13 lb-ft) for the spark plugs. The figure carries the Ford illustration reference number A0033040. No year, model, or engine designation is printed on the image itself, though it was uploaded to a 2007 Ford Mustang gallery and the album contains many Ford modular-engine (4.6L/5.4L) service illustrations. A reader can learn from this document the correct torque value to use when installing spark plugs into the cylinder head: 18 newton-meters, equivalent to 13 pound-feet. The illustration style (overhead-cam valve cover with spark plug wells) is consistent with Ford modular V8/V6 engines where the plugs seat in deep wells in the center of the cam cover. No other specifications, part numbers, or procedural text appear in the scan.

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Frequently asked questions

What is the spark plug torque specification shown in this diagram?: 18 Nm (13 lb-ft).
How many spark plugs are shown in the illustration?: Four spark plugs are shown above one valve/cam cover (one bank of a V-type engine).
Is there a figure or reference number on this document?: Yes, the illustration is labeled A0033040.
Does the document state which engine or model year it applies to?: No, the illustration itself contains no year, model, or engine designation—only the torque value and figure number.