SYMPTOM STEP POSSIBLE CAUSE
Sunroof squeaks when
opening/closing.
1 Identify if cause is seal squeak. If seal is worn, replace seal.
2 Check seal compression for uniformity in opening. If not uniform,
glass is not centered in opening.
3 Re-center glass by repositioning module in opening.
4 Identify if mechanism squeaks.
5 Check for lubrication, re-lube if necessary.
6 Check for dirt/debris in tracks, clean and re-lube.
7 Identify if motor squeaks, replace motor.
Water leaks into the vehicle. 1 Check for good connection at drain tubes, re-connect where needed.
2 Check for plugged/pinched hoses throughout.
3 Adjust glass panel per Service Manual.
4 Check seal for wear/damage, replace glass if necessary.
Motor inoperative. 1 Check connectors at motor, switch, control module, and power
source.
2 Check for effective control module, replace if necessary.
3 Replace motor.
Motor noise when opening/
closing.
1 Identify if motor noise, replace motor.
2 Insure noise is from motor and not cables, (cable ratcheting).
Grinding noise when opening/
closing.
1 Identify if motor is grinding, replace motor.
2 Check for lubrication in tracks and mechanism, re-lube if necessary.
3 Check for dirt/debris in tracks, clean and re-lube.
4 Cables ratchet at motor pinion: Mechanism jammed, fix mechanism
and replace cables & motor bracket.
Wind noise when sunroof is
fully closed.
1 Check seal compression for uniformity in opening. If not uniform,
glass is not centered in opening.
2 Glass not adjusted flush to roof, re-adjust glass.
3 Mechanism not fully closed.
A) Motor out of time, re-time motor/mechanism.
B) Cable ratcheting, replace cables and motor bracket.
4 Seal worn, Replace glass.
Sunroof will not open/close. 1 Check switch and switch connection per Service Manual
2 Check mechanism for binding (result of forcing glass closed or
broken components).
3 See Motor Inoperative.
Sunroof rattles, anytime, open
or closed.
1 Loose attachment screws (module), re-fasten and adjust module.
2 Loose glass panel, re-fasten and adjust glass panel.
3 Loose drain channel, re-fasten or secure to repair.
4 Broken mechanism, replace sunroof assembly module.
5 Mechanism not fully closed.
A) Motor out of time, re-time motor/mechanism.
B) Cable ratcheting, replace cables and motor bracket.
6 Check for sunshade out of track or for sunshade broken slide block.
7 Loose wind deflector. Replace if necessary.
23s - 16 SUNROOF PL
SUNROOF (Continued)
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