ConcoursMustang Forums
Restoring - General discussions that span across many different groups of years and models => Parts => Topic started by: 67gta289 on November 14, 2021, 05:57:36 PM
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Trying to firm up identification of vacuum reservoirs, starting with the 67 MY but not wanting to stop there. This is for basic part number 3E547 (tilt-away steering column) and 19A566 (air conditioning and in some cases air conditioning plus tilt-away steering). I'm not planning on getting into vacuum reservoirs for hide-away headlamps (13A168), but let's see where this goes. I'm pretty sure we can skip over the reservoir for vacuum door locks (219A02) and perhaps speed control (9C735)
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Staying Mustang focused, 1967 was the first year with a vacuum reservoir, for integral A/C, tilt-away steering column, or both. Attached are listings of reservoirs (sometimes called vacuum cans or vacuum canisters, noting that here to support future searches) for 67 and 68. Also is a picture of what I believe to the the oblong C7ZZ-19A566-A. The C9ZZ-3E547-A picture is premature from a 67-68 perspective, but I wanted to include it to show the "coffee can" shape. Note that I purchased this new at the Ford dealer in 1981 as a replacement for the C7ZZ-3E547-A that I was looking for. I was disappointed to see that one of the vacuum ports was much smaller than original.
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Here are some pictures of the coffee can style, with a slight variation on the nipple size. There is also a subtle difference in the ripples on the back side.
I'm not sure of the part number. These are most likely a combination of C7ZZ-3E547-A and C8SZ-3E547-A as I have been pulling these from 67 and 68 T-Birds when I can find them. Yes, it would have made sense to make note which came from where...