To fix a cracked dashboard, sand it, apply melted polyurethane, sand the dried filler, apply texturizing spray, and apply a topcoat. This two-hour procedure requires latex gloves, sandpaper, a polyurethane rod, a torch, dashboard filler, hardening compound, texturizing spray, a scuff pad and a tinted topcoat.Know More
Put on latex gloves, and sand the cracked area with coarse sandpaper.
Melt the tip of a polyurethane welding rod into the cracked area. Overfill the crack slightly.
Give the polyurethane several minutes to cool, then place a sheet of sandpaper over it, and sand it until it is level with the rest of the dashboard.
Mix dashboard filler and hardening compound according to the manufacturer's directions. Spread the mixture over the sanded polyurethane. Give it the amount of drying time indicated in the filler's instructions.
Sand the dried filler with coarse sandpaper, then polish it with fine sandpaper.
Apply texturizing spray, and let it dry according to the manufacturer's recommendations.
Run your fingers over the dashboard to locate any rough spots, and smooth those areas with a dry scuff pad.
Spray the dashboard with a tinted topcoat to finish.
To remove a dashboard, loosen the retaining screws from the bottom panel, and remove the panel. Repeat this process with the top panel, and release the spring clip fasteners on the instrument cluster to remove it. You need panel removal tools, a non-marring tool and nylon pry tools.Full Answer >
The most common symptoms of a faulty knock sensor are engine noises, flashing dashboard or “Check engine” lights and diminished fuel economy. These symptoms are most common when the vehicle is travelling at highway speeds or carrying a heavy load. To properly assess the condition of the knock sensor, compare engine performance to its factory specifications found in the vehicle’s manual.Full Answer >
The dashboard symbol with an exclamation point in the cutaway of a tire is the tire pressure monitoring system indicator. This dashboard symbol signals that one or more tires is low on air, or that the system needs resetting — especially if the tires have been serviced recently.Full Answer >
The most common indications that an automotive heater core is failing include a foggy windshield, steam coming from vents when the heater is switched on, a water surging sound inside the dashboard, a sweet-smelling aroma coming from the vents and wet carpeting on the front passenger side. Heater cores are responsible for extracting heat from the coolant and transferring warm air into the passenger compartment.Full Answer >