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Sunroof dropped down

Power sunroof has dropped down at rear about 1/4" and the switch will not work. Any idea on a fix for this.

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In a 1999 buick regal ls, do I have to remove the headliner to replace the sunroof switch?


No you don't need to remove the head liner to replace the switch . Here are the factory service repair manual directions .
Grasp the switch on the left and right sides. Use a small flat-bladed tool in order to disengage the clips which are located at the front and rear of the switch. Hold the flat-bladed tool parallel to the roof and push straight in. Rotate the switch toward the left side to disengage it from the mounting bracket and pull down. Disconnect the electrical connector from the switch. Remove the switch from the vehicle. This switch is supplied 5 volts from the sunroof module on the brown an orange wires ,the dark blue wire is grounded inside the sunroof module . The switch is just a low voltage input to the sunroof control module , The control module opens or closes the sunroof by the inputs from the switch . The odds the switch being bad are astronomical , more then likely the motor or the sunroof module are bad.
Your best bet would be to have a qualified repair shop diagnose the problem for you ! Do your power windows work ? Sun roof is powered by a circuit breaker an the windows are powered by the same circuit breaker .
There

Jul 22, 2016 | Buick Cars & Trucks

1 Answer

2001 cadillac deville sunroof open and want close


Check the RAP fuse in the rear fuse box , this fuse powers the sunroof control module ! Fuse Block - Rear , Left rear of the passenger compartment, under the rear seat .
The sunroof module contains the logic for the opening and the closing of the sunroof. The sunroof motor assembly contains the reversible DC drive motor, the gear train, and the limit switch.
The sunroof module determines the sunroof motor direction based on inputs received from the overhead console sunroof switches. When the ignition switch is in the ON position or when retained accessory power (RAP) is active, voltage is applied to the sunroof module via the RAP relay. For a description and operation of the RAP system, refer to Retained Accessory Power (RAP) Description and Operation in Retained Accessory Power. The sunroof module controls the sunroof motor direction by changing the polarity of the applied voltage. The sunroof module remembers the sunroof position whenever the ignition switch is turned to the OFF position. The limit switch is used as an input to the sunroof module to indicate that the glass is fully closed, or in the comfort stop positions. The limit switch is grounded when the sunroof glass is in the fully closed or comfort stop positions, otherwise it is open.
The SLIDE CLOSE mode is initiated by moving and holding the sunroof slide switch (ROOF) forward. This applies a ground provided from the sunroof limit switch low reference circuit to the sunroof switch close vent signal input of the sunroof module. The sunroof module controls voltage to the control circuits of the sunroof motor. The sunroof motor will run until the limit switch contacts are closed. The closing of the limit switch will apply the sunroof limit switch low reference circuit to the sunroof limit switch soft stop signal circuit to the sunroof module, indicating the flush closed position has been reached. As the sunroof is approaching the close position the sunroof glass will force the wind deflector downward.
You need to have a factory scan tool hooked up an have it checked for DTC'S in the sunroof control module ! a code reader will not do this , a code reader will only check the engine codes for OBD 2 .
Important: The following must be completed before using the symptom tables.
  1. Perform Diagnostic System Check - Power Sunroof in order to verify that all of the following are true:
  2. ?€¢
    No DTCs are set.


    ?€¢
    The control modules can communicate via the serial data link.

  3. Review the system operation in order to familiarize yourself with the system functions. Refer to Sunroof Description and Operation
your better off taking to the dealer !

May 09, 2015 | 2001 Cadillac DeVille

1 Answer

Sun roof will not open or close


First check your fuse box, for any fuse blow, position 26 in the Passenger Fuse Box (Box C), then keep in mind that the power sunroof is controlled by a switch that selects the direction of travel of the sunroof. The switch changes the polarity of the voltage going to the sunroof motor. This changes the rotation of the motor, thereby changing the direction of sunroof travel.


REMOVAL & INSTALLATION
(see Figure 1)
  1. Open the sunroof to the ventilation position.
  2. Disconnect the battery ground cable.
  3. Push down the sunroof headlining with a finger. Unhook the retaining springs with a bent piece of wire.
  4. Pull down on the headlining sufficiently to pass beneath the gutter rail. At the same time, slide the sunroof to the rear to release the catches at the front.
Do not pull the sunroof too far to the rear; otherwise, it will be difficult to remove again.
  1. Unhook the spring retaining brackets.
  2. Remove the retaining screws from the sides and front.
  3. Remove the sunroof.
To install:
  1. Fit the sunroof into position and install the retaining screws.
  2. Install the spring retaining brackets.
  3. Slide the sunroof forward to engage the catches in the front.
  4. Install or reposition any trim moved for access.
  5. Connect the negative battery cable.
eabcb79.jpg

Fig. 1: Exploded view of the sunroof assembly (click for zoom)




About Fuse descrtion and location, check your 1995 Volvo 960 - Owners Manual (page 155 and next).


Hope helps (remember comment and rated this help).





Jul 06, 2010 | 1995 Volvo 960

1 Answer

Sun roof won't open, but i hear the motor turning


Check for any obstruction in the rail.

Also, can check this procedure to test your components...
Power Sunroof - REMOVAL & INSTALLATION (click over pic for zoom)

Motor
See Figure 1
  1. Remove the sunroof switch panel by pushing it to the side and disengaging the pawl, then pulling it downward.
b5908ae.jpg

Fig. 1: The sunroof switch panel is retained by a metal clip
  1. Remove the sunroof switch bracket.
  2. Unplug the sunroof motor wiring harness connectors.
  3. Remove the sunroof motor mounting screws.
Disassembly of the sunroof motor is not recommended.

To install:

  1. Lightly lubricate the drive gear with grease and install the sunroof motor to the sunroof assembly.
  2. Plug in the electrical harness connectors to the sunroof motor.
  3. Operate the sunroof to verify proper operation.
  4. Install the sunroof switch bracket and the sunroof switch panel.

Sunroof
See Figures 2 and 3

abc86a3.jpg

Fig. 2: Exploded view of the sunroof assembly on 1993-94 vehicles

515e4a7.jpg

Fig. 3: Exploded view of the sunroof assembly on 1995-97 vehicles-1998 models similar
  1. Tilt up the sunroof lid.
  2. Remove the lid side trim.
  3. Remove the lid bolts and the lid assembly.
  4. Remove the rear drain mount screws and the drain.
  5. Remove the shade assembly holders from the sunroof frame.
  6. Remove the shade assembly.
  7. Remove the sunroof switch, interior accessories and headliner.
  8. Remove the switch bracket.
  9. Remove the motor assembly, spacer and clip.
  10. Remove the wind deflector mount holders from the sunroof frame.
  11. Remove the wind deflector.
  12. Disconnect the drain hose.
  13. Remove the sunroof brackets.
  14. Remove the sunroof frame assembly.
  15. Remove the link and wire assemblies.
To install:
  1. Tilt up the sunroof lid.
  2. Install the link and wire assemblies.
  3. Install the sunroof frame assembly.
  4. Install the sunroof brackets.
  5. Connect the drain hose.
  6. Install the wind deflector.
  7. Install the wind deflector mount holders on the sunroof frame.
  8. Install the motor assembly, spacer and clip.
  9. Install the switch bracket.
  10. Install the sunroof switch, interior accessories and headliner.
  11. Install the shade assembly.
  12. Install the shade assembly holders on the sunroof frame.
  13. Install the rear drain mount screws and the drain.
  14. Install the lid bolts and the lid assembly.
  15. Install the lid side trim.

Hope helps (remember rated this help).

Jun 03, 2010 | 1996 Nissan Maxima

2 Answers

Rear hatch does not open an latch or remote


I inadvertently hit the switch on my Denali between the sunroof controls and rear bucket seat auto fold down switches. The switch disables the automatic operation of the rear hatch. The dealer didn't enev know.

May 25, 2010 | 2007 GMC Yukon Denali

2 Answers

How to open a 2004 maxima sunroof? what button?


there should be buttons up near the dome light above the rear viemw mirror, just keep pushing tham and something will happen, IF the sunroof is operational.

Sep 23, 2009 | 2004 Nissan Maxima

1 Answer

02 Nissan Altima Sunroof won't work


circuit tester to the switch when pressed should show a charge if no charge than bad contacts in switch ... if charge than the problem lyes in the motor by the sunroof. can make a tester from an old turn signal bulb a socket just ground 1 wire off the socket and use the other wire as test probe. if you find this info helpful please rate

Apr 19, 2009 | 2002 Nissan Altima

2 Answers

Intermitent rear wiper operation and sunroof issue.


Sorry I cant offer any soloution but I do have the Same Problem :( I know its a long time ago but did you find the answer to fix the problem? Would love to Know :)

Kind regards
Ian

Feb 26, 2009 | 1994 Land Rover Range Rover County

3 Answers

Open sunroof that will not close.


you can open and close you sunroof "manually" remove the plastic cover next to your sunroof and dome light buttons (above your rearview mirror) there is an allen wrench stored inside... insert the wrench into the corresponding hole and you can close or open you sunroof by turning the wrench

Nov 29, 2008 | 2000 Volkswagen Jetta TDI

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