Cab mount help.
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5th Gear
Joined: Jan 2026
Posts: 5
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Cab mount help.
Hey all! First time posting here. I recently rebuilt my 351w and pulled off the front clip when I removed the engine. Doing so, I had bought replacement cab mount bushings to do while the engine was out. In doing so, the radiator mounts came out with no issue. But the rear 4 have all snapped in half. Bolts looked fine when I started, but I guess living in the PNW looks can be deceiving. Anyways does anyone have any tips or trick on how to get the mounts out any other way. Bolt heads snapped off inside the cab. Still have the nut on the underside but doesn’t seem like it’s going to move
Tuned
Joined: Jan 2015
Posts: 482
Likes: 94
If there's no head on the bolt there's nothing but friction holding the bolt in place. A sledge hammer and something to focus that energy onto the bolt are what's needed now. A similar sized bolt can work as a punch here. I had the same problem and this method, though crude and Neolithic, got the two rear bolts out and I was able to do the cab swap. It's not so much metal-metal rust as it is rubber-metal rust. I didn't bother with any lubricants since they wouldn't really do much here.
An alternative I didn't try is to drill an easy-out into the bolt and try twisting it loose.
I had no problems with the front two bolts, and there's not room to swing a hammer under the dash, so maybe an impact drill from underneath?
An alternative I didn't try is to drill an easy-out into the bolt and try twisting it loose.
I had no problems with the front two bolts, and there's not room to swing a hammer under the dash, so maybe an impact drill from underneath?
Last edited by seschenburg; Jan 7, 2026 at 12:37 AM.
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