I’ve had trucks break down on me before. I’ve never had one try to actively murder me in my own driveway. But we’re getting ahead of the story.
We were headed out to the Blues for a family camping trip — camper in tow, the free quad I’d just revived a few videos back riding along in the bed, everybody excited, the whole thing. Then, out on a forest service road, miles from anything useful, I start smelling something I really didn’t want to smell. Next thing I know, fluid’s pouring out from behind the bell housing, running down onto the Y-pipe, and now I’ve got smoke rolling. Loaded down, towing a camper, out in the woods. Great start to a family trip.
We got it towed home — shoutout to Tyler, who I will now be buying a beer for the rest of his natural life — and that’s when the real diagnosis started. I popped the inspection cover, drained a little fluid to check the damage, and honestly, we caught a break. 180,000 miles on this transmission and the fluid didn’t look nearly as bad as it could have. No big chunks of clutch material, just the normal wear you’d expect. Small victory.
But we still didn’t know where the leak was actually coming from, so the only way to find out for sure was to pull the whole transmission. Which meant a full day of disconnecting lines, dropping the exhaust, fighting bell housing bolts with six extensions stacked together like some kind of tool Frankenstein, and borrowing a buddy’s transmission jack that — turns out — really was not built for a 4R100 with a transfer case hanging off it.
Once it was out, a little internet digging (and a phone call) confirmed the theory: front pump seal, a known failure point on these around the 150,000-mile mark under heavy load. We’d been towing the camper through the mountains, so that tracks. I went full mad scientist on it — thirty bucks at Harbor Freight for a slide hammer, one finger hooked into that seal, and somehow pulled it without having to drop the pump itself. When that seal came out, you could see it with your bare eyes — worn down way more than the new one.
Then came putting it all back together. Which is where I nearly became a cautionary tale. Getting that transmission lined back up on the dowel pins with a jack that wasn’t cooperating — it started coming down, and for a second there it was very much pointed at me. We had to bring in reinforcements (thanks again, Tyler) just to get a second set of hands holding it steady so we could actually walk it back into place without anybody losing a foot.
Fired it up with no exhaust on — loud as hell, but no leaks. Seal held.
Here’s the number that made the whole ordeal worth it: Ford quoted this job at $1,775, plus fluid and filter on top of that. Call it two grand out the door. We did it ourselves for about a hundred bucks in parts and a couple days of our lives. So now this truck’s getting two grand worth of upgrades it wouldn’t have otherwise gotten — new shocks, headers, a carrier bearing, sway bar links, the works.
Almost got flattened by a transmission and stranded on a forest road in the middle of a family camping trip in the same week. That’s the job sometimes.
Wheel it, Wreck it, Wrench it, Repeat!
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