FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Diagnostic Routine P




Diagnostic Routine P

Diagnostic Overview

The Roof Panel is Noisy During Operation

Normal Operation and Fault Conditions

When the roof opening panel glass closes, it should do so quietly and smoothly. The roof opening panel system is made up of many components that require specific torque specifications and correct installation in order to avoid any NVH (Noise, Vibration, or Harshness) concerns. Over time, components may become loose or damaged, fasteners may become loose, sound insulating material may wear out and foreign material may collect in the roof opening panel frame. It is possible that one or more of these conditions may lead to a noise concern in the roof opening panel system.

Pinpoint Test

1. CHECK THE ROOF OPENING PANEL FOR OBSTRUCTIONS OR DAMAGE

1. Check the roof opening panel for any obstructions and damage.

Are there any obstructions and/or damage?






2. CHECK THE ROOF OPENING PANEL OPERATION

1. Check the roof opening panel during operation.

Is the roof opening panel loose or incorrectly adjusted?






3. CHECK THE ROOF OPENING PANEL TRACKS

1. Position the roof opening panel to the OPEN position.

2. Check the roof opening panel tracks for obstructions and damage.

Are the roof opening panel tracks OK?






4. CHECK THE ROOF OPENING PANEL SHADE ASSEMBLY

1. Check the shade assembly for correct movement.

Is the shade assembly moving correctly?






5. CHECK THE ROOF OPENING PANEL LIFTER ASSEMBLIES

1. Check the roof opening panel lifter assemblies for obstructions and damage.

Are the roof opening panel lifter assemblies OK?






6. CHECK THE ROOF OPENING PANEL MOTOR/MODULE

1. Remove the roof opening panel motor/module and leave the electrical connector connected.

2. Operate the roof opening panel to the full OPEN and CLOSED positions.

Does the motor/module make excessive noise?