The air pump would be a California mandated pollution device.
On the tailgate only opening one way I recall that happening on my '72 and I think it was because a short spring (Maybe 3" long and the diameter that would fit a pen inside) in the latching mechanism broke due to rust. Get a parts book or a parts book on CD and look at the complex inner mechanism that operates the 2-way tailgate.
On the tailgate only opening one way I recall that happening on my '72 and I think it was because a short spring (Maybe 3" long and the diameter that would fit a pen inside) in the latching mechanism broke due to rust. Get a parts book or a parts book on CD and look at the complex inner mechanism that operates the 2-way tailgate.