Houston’s Sunroof Specialists Since 1979
Repair · Replace · Custom Install · All Makes & Models
Aftermarket & Add-On Sunroof Service
Not every sunroof left the factory with the car. If yours was added later, the repair is a different conversation — and it starts with finding out what is actually fitted.
An aftermarket sunroof is one that was installed into the roof after the vehicle was built, rather than designed into it on the production line. Plenty of them have been on the road for years and work perfectly well. When one does stop working, though, the parts, the layout and the adjustments are usually not the same as the factory system on the same model of car.
That matters more than it sounds. Two vehicles that look identical in a parking lot can have completely different roofs in them, and the repair that suits one will not necessarily suit the other.
Sunroof King has been repairing and installing sunroofs in Houston since 1979. Bring the vehicle to the shop and we will find out what you have before anyone talks about parts.
The Distinction That Changes The Repair
A factory sunroof is built into the vehicle by the manufacturer. The opening, the frame, the drainage, the wiring and the trim are all designed together, and the same model year generally carries the same system.
An aftermarket sunroof is added afterwards. The roof is cut and a self-contained assembly is fitted into it, with its own frame, its own seals, its own drainage and usually its own switch and wiring. It may have been installed when the vehicle was nearly new, or decades later, by any number of different shops.
People also call these add-on, non-factory or dealer-added sunroofs. The names vary; the practical point is the same. If the roof was not part of the original build, what is in it depends on who fitted it and what they fitted.
Not sure which one you have? That is completely normal, especially on a vehicle bought used. It is one of the first things we establish when the car is in front of us, and it is not something worth guessing at over the phone.
The mechanical principles are broadly similar — glass carried on rails, driven by cables or a mechanism, powered by a motor, sealed against water and drained away from the interior. What differs is almost everything about how those pieces are made and put together.
The assembly is self-contained. Because the roof was fitted into an opening that was cut for it, the frame, seals and drain points belong to the sunroof rather than to the vehicle. Water management in particular is handled by the assembly and its drain routing, not by the car’s original design.
Parts are not vehicle parts. A factory roof component is generally listed against the vehicle. An aftermarket component belongs to the sunroof system that was installed, which may or may not still be supported. This is the single biggest practical difference, and it is covered honestly further down this page.
Installation quality varies. A well-fitted aftermarket roof can last a very long time. A poorly fitted one can cause trouble from the beginning — alignment that was never right, drains routed awkwardly, or sealing that was compromised at the time of installation. When we find that, we say so plainly, because it changes what the repair actually involves.
Age is a real factor. Many aftermarket roofs on the road are considerably older than the newest factory systems. Seals harden, drains block, cables and mechanisms wear, and electrical connections corrode. None of that is unusual, and none of it is automatically the end of the road.
Depending On The System And What Is Available For It
The work below is the range we look at on a non-factory roof. What is possible on any particular vehicle depends on the system that is fitted and on what can still be obtained for it, which is why the inspection comes first.
We Would Rather Tell You Before Than After
We are not going to tell you that every aftermarket sunroof can be repaired, because that is not true.
Aftermarket sunroof systems have come and gone over the decades. Some are still well supported and present no difficulty at all. Others were discontinued long ago, and specific components for them may no longer be obtainable in any practical sense. A roof can be mechanically sound in every other respect and still be held up by one part that is simply no longer made.
Where a component is unavailable, there is sometimes an alternative — a repair rather than a replacement, or a workable substitute. Sometimes there is not. Which of those applies depends entirely on the system in front of us and on the specific part involved.
If parts for your system are not obtainable, we will tell you that directly rather than starting work and discovering it partway through. You will get a straight answer about what is realistic, including when the answer is that we cannot complete the repair as it stands.
If you are weighing up whether an older roof is worth keeping, that conversation is worth having in person with the vehicle here. Call or text (832) 217-0430.
The order matters more here than on a factory system, because we cannot start from an assumption about what is fitted.
Establish What Is Actually In The Vehicle
Factory or aftermarket, and if aftermarket, what type of assembly and how it was fitted. Everything after this step depends on getting this one right.
Inspect The Opening, Frame And Seals
How the assembly sits in the roof, the condition of the sealing around it, and whether the original installation left anything that is now causing trouble.
Check Drainage On Its Own Terms
Where the drains run, whether they are clear, and whether they are routed sensibly — not where the vehicle’s factory drains would have been.
Observe Operation, Where It Is Safe To Do So
What the panel does, what it sounds like, and where in its travel any problem appears. If operating it risks further damage, we stop.
Separate Mechanical From Electrical
A roof that will not move can be a mechanism problem or a power, switch or wiring problem. These look identical from the driver’s seat and are established properly rather than guessed.
Establish What Can Be Obtained
Once we know which components are involved, we look at what is realistically available for that system before recommending a course of action.
Explain What The Repair Actually Involves
Including how much has to come apart to reach the assembly, and where the honest limits are. If the answer is that it cannot be done, you hear that too.
Three Different Jobs — Make Sure You Are On The Right Page
These get confused often, and landing on the wrong one wastes everybody’s time.