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Document ID: 1987864
Date: Jun 13, 2007
Subject: XLR Roof Does Not Latch At Rear Corners In Stowed Position
Models: 2004-2007 Cadillac XLR and V-Series

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The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:
Some customers may comment of a mark in the paint on the roof panel. This mark may be on the drivers or passengers side of the roof and typically the size of a pencil eraser. Further inspection of the retractable roof may indicate when the roof is stowed, the rear corners of the roof are not secured in trunk area. This may be the result of a misadjusted roof panel.

Recommendation/Instructions:
Lower roof into trunk as far as it will go. Stop when trunk starts to close. Check to see if the rear roof latches engaged the lower support.

Scribe the current position of the rear roof panel pivot bracket bolts. (See Attached Picture). These marks may be needed if the panel moves more than needed. The position should only change about .5 mm (one half mm).
Loosen both of the rear roof pivot bracket to rear roof panel fasteners one turn (both driver and passenger sides). These only need to be loose enough to allow the bracket to slide under the bolt shoulder. Do not allow the shims (if present) to become mis-positioned.
Manually lower the panel so the rear latches engage and latch. Lightly bump/thump the rear corners of the roof panel above the latches using your open palm.

Re-tighten the previously loosened fasteners to 18 Nm or 13 lb ft.

Cycle the roof and ensure that it latches properly in both the up position and down position with out assistance. If it does not latch in the up position the strikers can be adjusted.

(1) Front Of Vehicle

(2) Loosen One Turn

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.

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