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Ford Bronco Cylinder Head Torque Sequence Diagram - 55-65 & 65-72 Ft Lbs
Cylinder head bolt torque-sequence diagram with numbered positions and step torque values.
This document is a scanned illustration showing a cylinder head bolt torque sequence for an engine with ten head bolts per cylinder head. The diagram depicts a side view of a cylinder head with circled numbers (1 through 10) indicating the order in which the head bolts must be tightened. The sequence alternates across the head: the upper row of bolts is numbered 9, 5, 1, 3, 7 from left to right, and the lower row is numbered 10, 6, 2, 4, 8. The tightening pattern starts at the center bolts (1 and 2) and works outward in a crisscross fashion toward the ends of the head. Two torque steps are specified: Step 1 tightens all bolts to 55-65 ft. lbs., and Step 2 brings them to a final torque of 65-72 ft. lbs. The document was uploaded to the gallery of a 1993 Ford Bronco and is filed alongside intake manifold torque diagrams, suggesting it applies to a Ford V8 engine, though the document itself does not state a year, make, model, or engine. A reader can learn the correct bolt tightening order and the two-stage torque values needed when installing a cylinder head.
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Frequently asked questions
- What is the cylinder head bolt torque sequence shown in this diagram?
- The bolts are tightened in numbered order 1 through 10, starting at the center of the head and working outward in a crisscross pattern. The top row (left to right) is 9, 5, 1, 3, 7 and the bottom row is 10, 6, 2, 4, 8.
- What are the head bolt torque specifications?
- Two steps are shown: Step 1 is 55-65 ft. lbs. and Step 2 (final torque) is 65-72 ft. lbs.
- How many head bolts are shown per cylinder head?
- The diagram shows 10 numbered head bolt positions.
- Are the head bolts torqued in one pass?
- No, the document specifies two passes: first tighten all bolts to 55-65 ft. lbs., then to a final 65-72 ft. lbs.
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