--- title: "Pop Top Truck Camper Repair | Rancho Santa Margarita" description: "Four Wheel Camper and Alaskan pop top repair in Yorba Linda: faded lift struts, soft wall corner seams, hydraulic ram weep and telescoping wiper seals." focus_keyword: "pop top truck camper repair rancho santa margarita" canonical: https://ocrv.me/vehicles/campers/pop-top-truck-camper-repair/ kind: vehicleType updated: 2026-07-29 source: OCRV Center --- # Pop Top Truck Camper Repair, Lift Roofs and Soft Walls > A pop top travels low and raises its roof on **gas struts with a soft wall** or on **hydraulic rams with a telescoping hard wall**. Which of those you own decides the entire repair list. ## What does pop top truck camper repair cover? Pop top camper repair covers the lift mechanism, the soft wall or telescoping hard wall, and the sealing line where the raised roof meets the body. Rancho Santa Margarita owners bring Four Wheel Campers and Alaskan units to our Yorba Linda shop for strut, ram and seam work. - Strut lifted units use a vinyl or canvas soft wall - Alaskan style units telescope a rigid wall on hydraulics - Travel height at cab level is the whole point of the design - The lift line is the primary water path on either type ### Key facts | Item | Value | | --- | --- | | Lift types | Gas strut or hydraulic ram (Strut and soft wall on Four Wheel Camper style, hydraulic telescoping hard wall on Alaskan style) | | Travel height | Roughly cab height (Lowered profile is what allows garage storage and low clearance travel) | | Frame | Welded aluminum tube (Aluminum skin on strut lifted units, timber and aluminum on classic hard wall units) | | Typical length | 6 to 10 feet of box (Dry weight 1,100 to 2,800 lb depending on shell type) | | Mechanical rate | $260 per hour (Lift systems and hydraulics; laminate and body work at $210 per hour) | A pop top exists to travel low. Lowered, it sits at roughly the height of the truck cab, which means it fits a garage, clears branches on a fire road and costs far less in wind resistance than a full height camper. Raised, it gives standing room. The mechanism that gets it between those two states is the vehicle's defining feature and the source of most of its repairs. There are two quite different traditions here. Four Wheel Camper style units raise a light roof on gas struts and bridge the gap with a vinyl or canvas soft wall. Alaskan style units telescope a rigid upper shell over the lower one on hydraulic rams. They look similar parked. They have almost nothing in common to repair. ## Two different machines that look alike parked A strut lifted pop top has a light insulated roof panel and a fabric wall bridging the gap. Everything about it is optimised for weight: an aluminum tube frame, aluminum skin, and a dry weight low enough to sit on a half ton or even a mid size truck. Its repairs are struts, fabric and hinges. A telescoping hard wall unit raises a full rigid upper shell over the lower body on hydraulic rams. There is no fabric at all. Its repairs are hydraulics, guides and wiper seals, and its shell is a timber and aluminum structure that can be rebuilt rather than replaced. Owners of both call them pop tops, and we have to establish which one before quoting anything. - Strut and soft wall: light, fabric bridged, strut dependent - Hydraulic telescoping: heavy, rigid, ram and guide dependent - Both seal along one continuous horizontal line when lowered - Both fail at the four corners before anywhere else ## Struts are a maintenance item and nobody treats them as one The struts on a soft wall pop top are sized close to the roof panel weight, because the design goal is a roof one person can raise. That means there is very little margin. A strut that has lost twenty percent of its charge still lifts, so nothing feels broken, but the roof rises unevenly and then settles slightly. The consequence lands on the corner hinges. They begin carrying a load the struts were supposed to hold, and once a hinge point has worn, the roof no longer comes down square on the seal. That is the sequence behind most leak complaints on these campers, and it starts with a pair of struts nobody replaced. > **note:** Replace lift struts as a set, on a schedule, before the roof feels heavy. Mixed strut ages are what put load into a hinge and start the leak sequence. ## The soft wall lives at the corners Look at where a soft wall fails and it is almost never in the middle of a panel. The corners have to fold into the smallest space when lowered, stretch flat when raised, and turn ninety degrees while doing both. That is the highest strain in the material and it is also where the fold concentrates every single time the roof comes down. Repairs at a corner seam are possible and worthwhile when the rest of the material still has life. Once the vinyl has gone hard across the panels as well, a replacement wall is the honest answer, and fitting one is quick provided the roof still lands square. Squareness first, fabric second. ## Hydraulic shells and the trouble with a weep inside On a telescoping hard wall unit the rams are inside the living space. That is convenient for protection and inconvenient for diagnosis, because the first sign of a failing seal is usually a stain on a cabinet or a wall rather than a pressure gauge. Owners frequently report the stain as a roof leak. It matters because the shell is heavy. One ram losing capacity lets its corner lag on the way up, and a several hundred pound rigid shell that goes up out of square starts wearing its guides unevenly. We check lift synchronisation and guide clearance whenever we service the hydraulics rather than treating the ram as an isolated part. ## One horizontal line is the entire weather seal Lowered, both types depend on a single continuous seal running around the camper: a compression gasket under the roof panel, or a wiper seal on the bottom edge of the upper shell. It gets compressed and released on every trip, and it happens to sit at exactly the height where a branch or a low awning strikes a camper. So we treat that line as the primary inspection item rather than the roof surface. We look for a gasket that has taken a compression set, for wear that is heavier on one side than the other, and for local damage from a strike. A gasket that is flat on one side is reporting that the roof is landing out of square. ## Rates, and who runs pop tops Lift mechanisms, hydraulics, seals and fabric fitting bill at $260 per hour. Body, laminate, shell and fabrication work is $210 per hour with body supplies at $5 per body hour. A written estimate is $150, credited in full against an authorized repair. These owners are the low profile end of truck camping: mid size and half ton trucks, dirt roads, garage storage. Many chose a pop top specifically to keep total height down, and they use it constantly, so struts and seals wear on time rather than sitting in storage. That is a much better failure pattern to work with. ## Questions and answers ### My pop top roof rises and then settles slightly. What is that? Faded gas struts. They are sized close to the roof panel weight so one person can lift it, which leaves almost no margin. A strut down twenty percent still lifts, so nothing feels broken, but the roof settles and the corner hinges start carrying load the struts should hold. Replace them as a set. ### Why do pop top soft walls always split at a corner? Because the corner does the most work. It has to fold into the smallest space when lowered, stretch flat when raised, and turn ninety degrees doing both, and the fold concentrates there every time the roof comes down. Splits begin at the corner stitching rather than anywhere in a flat panel. ### There is a stain on the cabinet of my Alaskan style camper. Roof leak? Check the hydraulic rams first. On a telescoping hard wall unit the rams sit inside the living space, so a weeping seal shows as a stain on a wall or cabinet long before a pressure loss is noticed. Owners routinely report it as a roof leak and it is coming from the lift system. ### Where does a lowered pop top actually leak from? The lift line, which is one continuous horizontal seal around the whole camper. It is compressed and released every trip and it sits at exactly the height where branches and low awnings strike. A gasket flat on one side only is telling you the roof is landing out of square, so squareness gets fixed first. ### Why do you ask whether my pop top uses struts or hydraulics? Because they are different machines that look alike parked. A strut lifted unit has a light roof and a fabric wall, so its repairs are struts, fabric and hinges. A hydraulic unit telescopes a heavy rigid shell, so its repairs are rams, guides and wiper seals. Almost nothing transfers between them. --- Source: [OCRV Center](https://ocrv.me/vehicles/campers/pop-top-truck-camper-repair/). Last verified 2026-07-29.