How many pan bolts does a Ford E4OD transmission have?

The E4OD transmission pan has 20 bolts, according to the chart.

How can I tell a C6 transmission pan apart from others?

The C6 pan has 17 bolts, and the chart's tip notes that the rear edge of the C6 pan is S-shaped.

How many bolts are on the AOD and AODE-W (4R70W) transmission pans?

Both the AOD/AOT and the AODE-W (4R70W) pans have 14 bolts; they are distinguished by pan shape shown in the diagrams.

How many bolts do the C4 and C5 transmission pans have?

Both the C4 and C5 transmission pans have 11 bolts.

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Ford Transmission Pan Identification Chart - C4, C5, C6, AOD, E4OD, 4R70W

Chart: How to Identify Your Transmission by pan shape and bolt count

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Identification chart showing Ford C4, C5, C6, AOD/AOT, E4OD and 4R70W transmission pans by bolt count and pan shape.

AI caption March 2013 · Photo 633 of 3001

This document is a Ford automatic transmission identification chart titled "How to Identify Your Transmission." It shows six line drawings of transmission pan outlines, each labeled with its bolt count and the transmission model it corresponds to: the C4 (11 bolts), C5 (11 bolts), C6 (17 bolts, with a tip noting the rear edge of the C6 pan is S-shaped), AOD/AOT (14 bolts), E4OD (20 bolts), and AODE-W (4R70W) (14 bolts). A footnote explains that transmissions can be identified by the shape of the transmission pan, the original gasket, and/or the number of pan bolts. The chart is useful to anyone trying to determine which Ford automatic transmission is installed in their vehicle without removing it, since the pan shape and bolt count are visible from underneath the vehicle. It distinguishes between pans with identical bolt counts (C4 vs. C5, and AOD/AOT vs. AODE-W) by their differing pan outlines. The document itself carries no date, part numbers, or vehicle-specific applicability statement, so it serves as a general Ford transmission reference filed in a 1994 Ford Bronco document album.

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Frequently asked questions

How many pan bolts does a Ford E4OD transmission have?: The E4OD transmission pan has 20 bolts, according to the chart.
How can I tell a C6 transmission pan apart from others?: The C6 pan has 17 bolts, and the chart's tip notes that the rear edge of the C6 pan is S-shaped.
How many bolts are on the AOD and AODE-W (4R70W) transmission pans?: Both the AOD/AOT and the AODE-W (4R70W) pans have 14 bolts; they are distinguished by pan shape shown in the diagrams.
What is the general method for identifying a Ford transmission per this chart?: Transmissions can be identified by the shape of the transmission pan, the original gasket, and/or the number of pan bolts.
How many bolts do the C4 and C5 transmission pans have?: Both the C4 and C5 transmission pans have 11 bolts.