Think of it as Yoga for the brain, we are going to stretch a bit.
Convertible Top Stories
Every Roadster owner has a top story. Ask at any Crossfire gathering and the coupe people smile politely while the convertible owners start trading tales like fishermen. The top worked perfectly — right up until the day it stopped halfway, in a parking lot, with clouds coming.
The Crossfire’s top is a hydraulic system: a pump, fluid lines, lift cylinders, and a committee of position switches and interlocks that all have to agree before anything moves. When it works, it’s a ballet. When it doesn’t, it’s a diagnosis. Here are the stories, in the order they usually happen.
The Top That Stopped Halfway
This is the classic. The top unlatches, starts its dance, gets partway — and quits. Tonneau cover won’t move, or the top freezes mid-fold like it forgot the rest of the steps.
Work it in the order I work every top problem: fluid level first, then leaks, then cylinders and hoses, then switches and interlocks, then the pump. The pump is last because it’s the part everybody blames first and the part that fails least.
Fluid first. The hydraulic reservoir lives with the pump, and if the level is low, the top runs out of push partway through the cycle — which is exactly the halfway stop. Low fluid also means the fluid went somewhere, so low fluid sends you straight to step two: leaks. Look at the cylinders and the lines. A weeping cylinder or a chafed hose will show itself with wet grime. Cylinders that leak get rebuilt or replaced; hoses get replaced; then you refill and watch it work.
One more thing while you’re in there: look at the fluid itself, not just the level. Twenty-year-old hydraulic fluid comes out dark and tired, and tired fluid makes for a lazy top that groans through its cycle and quits on cold mornings. Fresh fluid is cheap, the system doesn’t hold much, and a top that gets clean fluid and a fixed leak usually rewards you by simply working again — no drama, no parts cannon. Drama is what happens when you skip the simple steps and go shopping.
Only after fluid, leaks, and cylinders check out do you go hunting switches — and that hunt has its own story.
The Healthy Top That Wouldn’t Move
Here’s my favorite, because it humbles everybody. The top does nothing. Pump’s fine, fluid’s fine, cylinders are dry and strong. The owner is pricing hydraulic parts. And the top is refusing to work because of a switch the size of a thumbnail in the trunk latch.
The top controller needs confirmation that the trunk is closed before it will run the cycle. That confirmation comes from a microswitch in the trunk latch. When that switch fails, the controller believes the trunk is open — forever — and a perfectly healthy top sits there refusing to move, protecting you from a collision that isn’t happening.
There’s a cousin to this one: the cargo divider in the trunk has its own interlock switch. The divider has to be in place for the top to stow, and if that switch isn’t satisfied, same story — dead top, healthy hydraulics.
Memorize this: “the top doesn’t work” does not automatically mean hydraulics. A top that quit mid-cycle points at fluid and cylinders. A top that won’t start at all points at the interlocks. Check the cheap switches before you condemn the expensive pump, and remember the cycle has a memory — if a cycle didn’t complete, the trunk can stay locked as part of the bargain, which is its own special afternoon.
The Window That Let Go
Roadster owners, go out to your car after you read this and run a finger around the rear window. The glass is bonded to the fabric, and on a twenty-year-old top that bond is letting go — usually starting at a corner, quietly, long before it becomes a waterfall.
Catch it early and it’s a small job. Let it separate all the way around and you’re looking at a much bigger conversation. Inspect the whole perimeter, not just the spot that’s already loose.
My fix is 3M 5200 marine adhesive, the black one. It is boat glue, it is meant to live underwater, and I will tell you what I tell everybody: it lasts forever. The top will wear out before the glass falls off. Work clean, mask what you don’t want glued — 5200 does not forgive and it does not come off clothes, hands, or anything else it touches — and for small tears in the fabric itself, glue a patch of material on the inside. Done right, the repair outlives the top around it.
The Cables Nobody Thinks About
Inside the top frame are bow tension cables. Their job is to keep the bows pulling in the right order as the top folds. They stretch. They fray. They break.
The symptom is a top that folds wrong — fabric bunching, a bow lagging behind the others, the whole thing going down crooked and binding. Owners chase hydraulics on this one too, but the hydraulics are fine; the choreography is broken. New cables are cheap, available, and restore the fold. If your top is going down like a tent collapsing instead of a machine working, think cables before cylinders.
My Own Surrender
Now the confession. After fighting the hydraulics on my own Roadster — the leaks, the switches, the cycles that stopped for reasons the car kept to itself — I converted my top to manual operation. I put it up and down by hand, like our ancestors did, and it has worked every single time since.
I’m not telling you to do it. The power top, when it’s right, is a lovely thing, and most of its problems are the cheap kind in the stories above. But I am telling you the option exists, it ends the argument permanently, and on a car whose top fights you every season, there’s no shame in it. I reached the point where I said this thing is a nightmare, picked up my tools, and made it a nightmare I operate by hand. We get along fine now.
Keeping the Top You Have
Last, the boring part that saves you money. Keep the fabric clean and let it dry before it stays folded. Store the car with the top up — folded storage is where creases, mildew, and window stress do their slow work, and a top stored up keeps its shape and its seals honest. Check the rear window bond a couple of times a year, glance at the hydraulic fluid when you’re in the trunk anyway, and cycle the top now and then through the winter instead of letting it sit frozen in one position for five months.
Do that, and your top stories stay the funny kind — the ones you tell at gatherings — instead of the kind that start with clouds coming and a top that stopped halfway.
