Can a sunroof be raised from the retracted position?
If both limit switches are not functioning properly (both closed), the sunroof can not be raised from the retracted position with the ignition switch in Position 1. However, you may be able to take the ignition switch to Position 2 and engage the sunroof using the up arrow on the console button.
Why is my 944 sunroof not working properly?
Next to the plastic sunroof gears stripping, this is the single most common failure I’ve seen on 944 sunroofs. When the sunroof fails to move at all in either direction (i.e. the motor will not actuate), failure of this micro-switch is the most likely candidate. A blown sunroof motor fuse or a failed console switch can cause the same indications.
How does a new sunroof on a pelican work?
When the new style sunroofs with the plastic gears were installed, the third limit switch was added to stop the sunroof in the fully raised position. A slip clutch on the cable drive motor stops the roof in the fully retracted position. However, the new style sunroof used a different style slip clutch than the old mechanisms.
What are the limit switches on a sunroof?
On most cars the motor assembly will have a plastic cover over it which is held in place by six Phillips head screws. All sunroofs installed since February 1986 have three limit switches at the motor assembly. Prior to that they had two.
What to do when your sunroof won’t close?
One thing to do is remove the glass from the sunroof to access the lift arms. The guides that the lift arms follow may need to be pushed forward if they have become stuck in the open position. Our glass repair partners use tools to push the guides forward so that the lift arms can fully close.
What happens if the glass on the sunroof is broken?
A broken sunroof glass will not have a tint thus allowing the car to get hotter during summer and colder during winter. If the glass is significantly cracked or broken it will mess up the aerodynamics of your car making it use more fuel. Inoperable sunroofs are a nightmare.
Can you get sunroof glasses to give up?
Both cases are not that costly to get fixed but they can cause some serious damage to the interior of your car if water seeps into critical spots. Yes, the sunroof glasses are quite heavy duty and won’t give up that easily but its still glass.
What to do if your Volvo sunroof won’t open?
The other thing is to remove the cover from the sunroof motor. There is a large screw with a button in the middle on the motor assembly. Turning the screw with a screwdriver will depress the button and allow you to move the sunroof BUT, it also adjusts the stop location for open and closed. Sunroof Won’t Open to Vent Position.